Hemlock Woolly Adelgid - Related Bibliography



All Publications:
No. of Results - 6811

1. Bentz, S.E., R.J. Griesbach, M.R. Pooler, and A.M. Townsend, 2007. Tsuga chinesis as a source of host resistance to the Hemlock Woolly Adelgid
Proceedings, 17th U.S. Department of Agriculture Interagency Research Forum on Gypsy Moth and Other Invasive Species, 2006, Loews Annapolis Hotel, Annapolis, Maryland, Forest Service Research et al. Newtown Square, PA: U.S. Department of Agr, Gottschalk, K.W. (ed.), p. 24-25 - Abstract

2. Aaron, J. R. , 1957. Conifer barks as a source of tannins for the leather industry., Vol. 11
Scottish For. , p. 72-76 - Abstract

3. Abad, Z. G., T. Creswell, R. K. Jones, and H. D. Shew, 1994. Occurrence of Phytophthora species on various hosts in North Carolina., Vol. 78
Plant Dis., p. 830 - Abstract

4. Abbe, L.B. and A. S. Crafts, 1939. Phloem of white pine and other coniferous species., Vol. 100
Bot. Gazette, p. 695-722 - Abstract

5. Abbott, H. G., 1962. Tree seed preferences of mice and voles in the northeast., Vol. 60
J. For., p. 97-99 - Abstract

6. Abby, S., J. Lewis, A. Tuininga, and J. Johnson, 2005. Soil conditions, host community, and infestations of the hemlock woolly adelgid (Adelges tsugae) affects ectomycorrhizal diversity in eastern temperate forests.
Ecological Society of America, 2005 Ann. Meeting, Montreal, Canada , p. 1p - Abstract

7. Abdel-Salam, A. H. and N. F. Abdel-Baky , 2001. Life table and biological studies of Harmonia axyridis Pallas (Col., Coccinellidae) reared on the grain moth eggs of Sitotroga cerealella Olivier (Lep., Gelechiidae). , Vol. 125
J. Appl. Entomol., p. 455-462 - Abstract

8. Abell, K. and R. Van Driesche, 2008. Incidence of elongate hemlock scale and its parasitoid Encarsia citrina in the eastern United States
Fourth Symposium on Hemlock Woolly Adelgid in the Eastern United States, Hartford, Connecticut, February 12-14, 2008. USDA Forest Service, FHTET-2008-01, Morgantown, West Virginia. Onken, B. and R. Reardon (compilers), p. 188-192 - Abstract

9. Abella, S. R., 2003. Quantifying ecosystem geomorphology of the southern Appalachian mountains. , Vol. 24
Physicial Geography, p. 488-501 - Abstract
http://oak.ucc.nau.edu/sra8/files/Abella%202003%20ecosystem%20geomorphology%20Phys%20Geog.pdf

10. Abella, S. R. and V. B. Shelburne, 2004. Ecological species groups of South Carolina's Jocassee Gorges, southern Appalachian Mountains., Vol. 131
J. Torrey Bot. Soc. , p. 220-231 - Abstract
http://oak.ucc.nau.edu/sra8/files/Abella%202004%20Jocassee%20species%20groups%20JTBS.pdf

11. Abella, S. R., V. B. Shelburne, and N. W. MacDonald, 2003. Multifactor classification of forest landscape ecosystems of Jocassee Gorges, southern Appalachian Mountains, South Carolina., Vol. 33
Can. J. For. Res., p. 1933-1946 - Abstract
http://rpas.web-p.cisti.nrc.ca/RPAS/RPViewDoc?_handler_=HandleInitialGet&journal=cjfr&volume=33&calyLang=eng&articleFile=x03-116.pdf

12. Abgrall, J.F. , 1982. Importance of aphids (Adelgidae) in forestry stands, Sacchiphantes viridis on spruce, Dreyfusia nusslini on fir, Gilletteella cooleyi on Douglas fir.
Association de Coordination Technique Agricole, Information and Study Meeting, Agricultural Technical Coordination Association, Paris, 2-4 March 1981 , p. 337-343 - Abstract

13. Abraham, Y. J., 1999. Evaluation of Pineus pini (macquart) (Homoptera: Adelgidae) Insect Natural Enemies for the Biological Control of Pineus spp.
Ph. D. dissertation, Univ. of Reading, Abstract

14. Abrahamson, W. G. and A. C. Gohn , 2004. Classification and successional changes of mixed-oak forests at the Mohn Mill area, Pennsylvania. , Vol. 69
Castanea, p. 194-206 - Abstract

15. Abrahamson, L. P., C. A.Nowak, E. F. Neuhauser, C. G. Foreback, H. D. Freed, S. B. Shaheen, and C. H. Stevens, 1991. Cost effectiveness of utility rights-of-way vegetation management treatments. II: First maintenance cycle., Vol. 17
J. Arbor., p. 328-330 - Abstract

16. Abrahamson, L. P., C. A.Nowak, E. F. Neuhauser, C. G. Foreback, H. D. Freed, S. B. Shaheen, and C. H. Stevens, 1991. Cost effectiveness of utility rights-of-way vegetation management treatments. I: Initial clearing., Vol. 17
J. Arbor., p. 325-327 - Abstract

17. Abrams, M. D. , 2001. Eastern white pine versatility in the presettlement forest: This eastern giant exhibited vast ecological breadth in the original forest but has been on the decline with subsequent land-use changes., Vol. 51
BioSci., p. 967-979 - Abstract
http://www.personal.psu.edu/faculty/a/g/agl/Eastern%20white%20pine%20versatility%20in%20the%20presettlment%20forest%202001.pdf

18. Abrams, M. D. and C. M. Ruffner, 1995. Physiographic analysis of witness-tree distribution (1765-1798) and present forest cover through north central Pennsylvania., Vol. 25
Can. J. For. Res. , p. 659-668 - Abstract

19. Abrams, M. D. and D. A. Orwig, 1996. A 300-year history of disturbance and canopy recruitment for co-occurring white pine and hemlock on the Allegheny Plateau., Vol. 84
J. Ecol., p. 353-363 - Abstract

20. Abrams, M. D. and D. M. McCay, 1996. Vegetation-site relationships of witness trees (1780-1865) in the presettlement forests of eastern West Virginia., Vol. 26
Can. J. For. Res., p. 217-224 - Abstract

21. Abrams, M. D., C. A. Copenhaver, B. A. Black, and S. van de Gevel, 2001. Dendroecology and climatic impacts for a relict, old-growth, bog forest in the Ridge and Valley Province of central Pennsylvania, U.S.A., Vol. 79
Can. J. Bot., p. 58-69 - Abstract
http://rpas.web-p.cisti.nrc.ca/RPAS/RPViewDoc?_handler_=HandleInitialGet&journal=cjb&volume=79&calyLang=eng&articleFile=b00-145.pdf

22. Abrams, M. D., D. A. Orwig, and T. E. Demeo, 1995. Dendroecological analysis of successional dynamics for a presettlement-origin white-pine-mixed-oak forest in the southern Appalachians, USA., Vol. 83
J. Ecol., p. 123-133 - Abstract

23. Abrams, M. D., S. van de Gevel, R. C. Dodson, and C. A. Copenheaver, 2000. The dendroecology and climatic impacts for old-growth white pine and hemlock on the extreme slopes of the Berkshire Hills, Massachusetts, U.S.A., Vol. 78
Can. J. Bot., p. 851-861 - Abstract
http://rpas.web-p.cisti.nrc.ca/RPAS/RPViewDoc?_handler_=HandleInitialGet&journal=cjb&volume=78&calyLang=eng&articleFile=b00-057.pdf

24. Acker, S. A., C. B. Halpern, M. E. Harmon, and C. T. Dyrness, 2002. Trends in bole biomass accumulation, net primary production and tree mortality in Pseudotsuga menziesii forests of contrasting age., Vol. 22
Tree Physiology, Bond, B. J. (ed.), p. 213-217 - Abstract

25. Acker, S. A., P. A. Harcombe, M. E. Harmon, and S. E. Greene, 2000. Biomass accumulation over the first 150 years in coastal Oregon Picea-Tsuga forest., Vol. 11
Journal of Vegetation Science, p. 725-738 - Abstract

26. Ackerman. W. L., G. A. Seaton, and H. H. Fisher, 1964. Tsuga canadensis Pendula., Vol. 43
Amer. Hort. Mag. , p. 181-184 - Abstract

27. Adams, D. A. and J. S. Hammond, 1991. Changes in forest vegetation, bird, and small mammal populations at Mount Mitchell, North Carolina - 1959/62 and 1985. , Vol. 107
J. Elisha Mitchell Sci. Soc., p. 3-12 - Abstract

28. Adams, G. C., Jr. and A. Bielenin, 1988. First report of Phytophthora cactorum and P. citricola causing crown rot of fir species in Michigan., Vol. 72
Plant Dis., p. 79 - Abstract

29. Adams, M. J. and R. B. Bury, 2002. The endemic headwater stream amphibians of the American Northwest: associations with environmental gradients in a large forested preserve., Vol. 11
Global Ecology and Biogeography, p. 169-178 - Abstract

30. Adams, M. S. and O. L. Loucks, 1971. Summer air temperatures as a factor affecting net photosynthesis and distribution of eastern hemlock (Tsuga canadensis L. (Carriere)) in southwestern Wisconsin., Vol. 85
Amer. Midl. Nat., p. 1-10 - Abstract

31. Adams, M. S., D. Terzilla, and B. S. Baum, 2002. Community-based monitoring in the Catskills.
Proceedings: Hemlock Woolly Adelgid in the Eastern United States Symposium. Feb. 5-7, 2002, East Brunswick, NJ, USDA For. Serv./State Univ. of N. J. Rutgers, Onken, B., R. Reardon, and J. Lashomb (eds.), p. 100-105 - Abstract
http://na.fs.fed.us/fhp/hwa/pub/proceedings/catskills.pdf

32. Adams, N. E. , 2000. Using Growing Degree Days For Insect Management.
Univ. New Hampshire Coop. Ext. , p. 4pp - Abstract
http://extension.unh.edu/Agric/GDDays/Docs/growch.pdf

33. Adams, W. R., 1955. A control for pine leaf aphid.
Vermont Agric. Exp. Sta. Bull. No. 582 , p. 8pp - Abstract

34. Adamson, A. D., 1972. Oleoresins - production and markets, with particular reference to the United Kingdom.
Tropical Products Institute Report, No. G56, p. 46pp - Abstract

35. Adkins, C. R., 1983. Role of stratification, temperature and light in Fraser fir seed germination., Vol. 33
Combined Proceedings, International Plant Propagators' Society, p. 504-515 - Abstract

36. Adkins, C. R., L. E. Hinesley, and F. A. Blazich, 1984. Role of stratification, temperature, and light in Fraser fir germination, Vol. 14
Can. J. For. Res., p. 88-93 - Abstract

37. Adkison, G. P. and M. T. Jackson, 1996. Changes in ground-layer vegetation near trails in Midwestern US forests., Vol. 16
Natural Areas J., p. 14-23 - Abstract

38. Adlung, K. G., 1964. The occurrence of some aphids and beetles on young pine., Vol. 37
Anz. Schadlingsk, p. 90-91 - Abstract

39. Adlung, K. G., 1962. The effect of a control operation against Choristoneura murinana on the predators and parasites of the genus Dreyfusia [Adelges]., Vol. 50
Z. Angew. Entomol. , p. 239-241 - Abstract

40. Ager, A. A., P. E. Heilman, and R. F. Stettler, 1993. Genetic variation in red alder (Alnus rubra) in relation to native climate and geography., Vol. 23
Can. J. For. Res., p. 1930-1939 - Abstract

41. Agerer, R., W. R. Müller, and G. Bahnweg, 1996. Ectomycorrhizae of Rhizopogon subcaerulescens on Tsuga heterophylla., Vol. 63
Nova Hedwigia, p. 397-415 - Abstract

42. Agmata, A. L. , 1989. Seed quality of Picea rubens sarg., Abies balsamea (L.) Mill., and Abies fraseri (Pursh) Poir. in declining spruce-fir forests of Eastern North America.
Ph. D. dissertation, Miss. State Univ., p. 168pp - Abstract

43. Aguilar, R. and R. W. Arnold, 1985. Soil-landscape relationships of a climax forest in the Allegheny High Plateau, Pennsylvania., Vol. 49
J. Soil Sci. Soc. Amer., p. 695-701 - Abstract

44. Ahern, R. G., M. J. Raupp, and D. J. Hawthorne, 2005. Molecular tools identify source populations of an introduced insect pest and measure genetic consequences of introduction
ESA Annual Meeting and Exhibition, Dec. 2005, Fort Lauderdale, FL , p. 0247 - Abstract

45. Ahern, R. G., M. J. Raupp, and S. R. Bealmear, 2005. Effects of systemic insecticides, a growth regulator, and oil on elongate hemlock scale and associated natural enemies on eastern hemlock.
Third Symposium on Hemlock Woolly Adelgid in the Eastern United States, Ashville, NC. February 1-3, 2005, USDA For. Serv. FHTET-2005-01, Morgantown, WVa, Onken, B. and R. Reardon (Compilers), p. 247 - Abstract
http://na.fs.fed.us/fhp/hwa/pub/2005_proceedings/ahern.pdf

46. Ahlgren, I. F. and C. E. Ahlgren, 1958. A key to the native coniferous tree seedlings of the Quetico-Superior area. , Vol. 56
J. For. , p. 911-912 - Abstract

47. Ahmed, R. and M. A. Ghani, 1966. Biology of Chilocorus infernalis Muls. (Col.: Coccinellidae).
Commonwealth Inst. Biol. Contr. Tech. Bull. No. 7, p. 101-106 - Abstract

48. Aho, C. E. , 1938. Study of hemlock bark: some reactions of hemlock tannin.
M.S. thesis, Michigan State College of Agriculture and Applied Science, p. 54pp - Abstract

49. Ahrens, J. F., 1983. Herbicides in conifer transplants.
Proceedings of the 37th annual meeting of the Northeastern Weed Science Society, p. 305-309 - Abstract

50. Ahrens, J. F., 1978. Control of established weeds in container-grown nursery stock., Vol. 32
Proc. Northeastern Weed Sci. Soc. , p. 300 - Abstract

51. Ahrens, J. F., 1980. Cooley spruce gall aphid control in Christmas tree plantings with aldicarb, Windsor, Connecticut, 1977-79 Adelges cooleyi., Vol. 5
Insectic Acaricide Tests, p. 203-204 - Abstract

52. Ahrens, J. F. , 1959. Chemical weed control in evergreen nurseries.
Proc. 13th Ntheast. Weed Control Conf., p. 397-400 - Abstract

53. Ahrens, J. F. , 1961. Effects of granular herbicides on newly planted nursery stock., Vol. 15
Proc. N. E. Weed Control Conf., p. 146-147 - Abstract

54. Ahrens, J. F. , 1986. Chemigation with oxyfluorfen in container-grown ornamentals.
Proc. 40th Ann. Meeting Northeastern Weed Sci. Soc., p. 265-266 - Abstract

55. Ahrens, J. F., 1988. Herbicides for field-grown woody ornamentals.
Proc, 42nd Annual Meeting Northeastern Weed Sci. Soc., p. 128pp - Abstract

56. Ahrens, J. F. , 1962. Chemical control of quackgrass and nutgrass in nursery liners.
Proc. 16th Northeastern Weed Control Conf., p. 226-231 - Abstract

57. Ahrens, J. F. and M. Cubanski, 1981. Herbicide trials in newly seeded hemlock, white spruce, white pine, and Douglas-fir [Tsuga canadensis, Picea glauca, Pinus strobus, Pseudotsuga menziesii]., Vol. 1981
Proc. Annual Meeting - Northeast Weed Science Society , p. 213-217 - Abstract

58. Ahrens, J. F. and M. Cubanski, 1977. Herbicides for hemlock seedbeds., Vol. 31
Proceedings of the Northeastern Weed Science Society, Baltimore, 1977, p. 315-319 - Abstract

59. Ahrens, J. F. and M. Cubanski, 1981. Herbicides for seedbeds of evergreens., Vol. 36
Proceedings Northeastern Weed Science Society, p. 246-247 - Abstract

60. Ahrens, J. F.  and M. Cubanski, 1985. Evaluation of postemergence grass herbicides in conifer seedbeds and Christmas trees.
Proc. 36th Ann. Meeting Northeastern Weed Sci. Soc., p. 24243-246 - Abstract

61. Ahrens, J. F., C. G. Merrill, C. G. and M. Cubanski, 1976. Herbicides for conifer seedbeds.
Conn. Agric. Exper. Sta. Bull. No. 766, p. 13pp - Abstract

62. Ahrens, J. F., D. V. Sweet, and J. R. Havis, 1962. Effects of soil fertility on simazine injury to nursery plants : preliminary results.
Proc. 16th Northeastern Weed Control Conf., p. 198-201 - Abstract

63. Aiken, M. and F. A. Coyle, 2000. Habitat distribution, life history and behavior of Tetragnatha spider species in the Great Smoky Mountains National Park., Vol. 28
J. Arachnology, p. 97-106 - Abstract

64. Akai, S. and K. Hibino, 1950. On the relative resistance of some coniferous woods to fungus decay.
Wood Res., Kyoto, No. 5, p. 30-36 - Abstract

65. Akita, Y. , 1971. Biological studies of the common conifer spider mite, Oligonychus ununguis (Acarina: Tetranychidae).
Bulletin of the Government Forest Experiment Station (Meguro), No. 236, p. 1-25 - Abstract

66. Alaback, P. B. , 1982. Dynamics of understory biomass in Sitka spruce-western hemlock forests of southeast Alaska., Vol. 63
Ecology, p. 1932-1948 - Abstract

67. Alaback, P. B., 1986. Biomass regression equations for understory plants in coastal Alaska: effects of species and sampling design on estimates., Vol. 60
Northwest Science, p. 90-103 - Abstract

68. Alaback, P. B. and F. R. Herman, 1988. Long-term response of understory vegetation to stand density in Picea-Tsuga forests., Vol. 18
Can. J. For. Res., p. 1522-1530 - Abstract

69. Alaback, P. B. and J. C. Tappeiner II , 1991. Response of western hemlock (Tsuga heterophylla) and early huckleberry (Vaccinium ovalifolium) seedlings to forest windthrow., Vol. 21
Can. J. For. Res., p. 534-539 - Abstract

70. Albani, M. and A. Ellison, 2005. Modeling HWA impact at the regional scale with the Ecosystem Demography model.
16th Annual Harvard Forest Symposium Abstracts, Abstract

71. Albani, M. and P. Moorcroft, 2003. Modeling the Impact of Hemlock Loss on New England Forests with the Ecosystem Demography Model.
14th Annual Harvard Forest Ecology Symposium, Feb. 12th, 2003, Abstract

72. Albani, M. and P. Moorcroft, 2004. Modeling the Impact of Hemlock Loss on New England Forests with the Ecosystem Demography Model.
15th Annual Harvard Forest Ecology Symposium, 29 March 2004, Abstract

73. Albani, M., P. R. Moorcroft, A. M. Ellison, D. A. Orwig, D. R. Foster, 2010. Predicting the impact of hemlock woolly adelgid on carbon dynamics of eastern United States forests, Vol. 2010
Canadian Journal of Forest Research, p. 119-133 - Abstract
http://article.pubs.nrc-cnrc.gc.ca/RPAS/rpv?hm=HInit&calyLang=eng&journal=cjfr&volume=40&afpf=x09-167.pdf

74. Alden, H. A., 1997. Softwoods of North America.
USDA For. Serv. Gen. Tech. Rep. FPL-GTR-102., p. 151pp - Abstract
http://www.fpl.fs.fed.us/documnts/fplgtr/fplgtr102.pdf

75. Aldhous, J. R. and J. Atterson, 1963. Nursery investigations: storage of plants at low temperatures.
For. Comm. (London), For. Res. Rep. 1961/62, p. 20-22 - Abstract

76. Aldrich, R. C. and A. T. Drooz, 1967. Estimated Fraser Fir mortality and Balsam woolly aphid [Adelges piceae] infestation trend using aerial color photography., Vol. 13
For. Sci., p. 300-313 - Abstract

77. Alemdag, I. S. , 1983. Mass equations and merchantability factors for Ontario softwoods.
Petawawa National Forestry Institute, Canada, Information Report, No. PI-X-23, p. 24pp - Abstract

78. Alexander, H. J. , 1987. Inhibition of Pineus floccus colonization by volatile compounds of leaf tussue of red spruce., Vol. 38
Va. J. Sci., p. 27-34 - Abstract

79. Alexander, K. N. A. , 2004. New vice-county records for lacewings (Neuroptera) from Northern Ireland.
Bulletin of the Irish Biogeographical Society, No. 28, p. 143-146 - Abstract

80. Alexander, R, R., R. C. Shearer, and W. D. Shepperd, 1990. Abies lasiocarpa (Hook.) Nutt. Subalpine Fir.
Silvics of North America. Volume 1. Conifers. USDA For Serv. Agric. Handbook No. 654. Washington, DC, Burns, R. M. and B. H. Honkala (technical coordinators), p. 60-70 - Abstract
http://www.na.fs.fed.us/spfo/pubs/silvics_manual/volume_1/abies/lasiocarpa.htm

81. Alfaro, R. I. and R. N. MacDonald, 1998. Effects of defoliation by the western false hemlock looper on Douglas-fir tree-ring chronologies., Vol. 48
Tree-Ring Bulletin, p. 3-11 - Abstract

82. Alfaro, R. I., S. Taylor, G. Brown, and E. Wegwitz, 1999. Tree mortality caused by the western hemlock looper in landscapes of central British Columbia., Vol. 124
For. Ecol. Manage., p. 285-291 - Abstract

83. Alkaslassy, E. , 2005. Abundance of plethodontid salamanders in relation to coarse woody debris in a low elevation mixed forest of the Western Cascades., Vol. 79
Northwest Science, p. 156-163 - Abstract

84. Allan, J. D., M. S. Wipfli, J. P. Caouette, A. Prussian, and J. Rodgers, 2003. Influence of streamside vegetation on inputs of terrestrial invertebrates to salmonid food webs., Vol. 60
Can. J. Fishries Aquat. Sci., p. 309-320 - Abstract
http://www-personal.umich.edu/~dallan/pdfs/Allan_Wipfli_2003.pdf

85. Allen, D. C., 2000. Native Insect Pests of Hemlock., Vol. 38
The New York Forest Owner, p. 1-2 - Abstract
http://www.dec.state.ny.us/website/dlf/privland/forprot/health/nyfo/hemlockpests.pdf

86. Allen, D. C. , 1965. Biology of the Exsule Stage of the Pine Leaf Adelgid, Pineus pinifoliae (Fitch) (Homoptera : Adelgidae) and its Effect on the Young Shoots of White Pine (Pinus strobus Linnaeus).
M. S. thesis, Univ. of Maine, p. 96pp - Abstract

87. Allen, D. C. and J. B. Dimond, 1968. A histological study of White Pine shoots attacked by the exsule stage of Pineus pinifoliae., Vol. 61
Ann. Entomol. Soc. Amer., p. 962-965 - Abstract

88. Allen, E. A. and L. M. Humble, 2002. Nonindigenous species introductions: a threat to Canada's forests and forest economy., Vol. 24
Can. J. Plant Pathol., p. 103-110 - Abstract
http://rpas.web-p.cisti.nrc.ca/RPAS/RPViewDoc?_handler_=HandleInitialGet&journal=tcjpp&volume=24&articleFile=k02-006.pdf

89. Allen, G. S. , 1958. Factors affecting the viability and germination behaviour of coniferous seed. Part I. Cone and seed maturity, Tsuga heterophylla, (rafn.) Sarg. Part II. Cone and seed maturity, Pseudotsuga menziesii (Mirb.) Franco. Part III. Comercial processing and treat, Vol. 34
For. Chron., p. 266-298 - Abstract

90. Allen, Hunter, 2009. Geovisualization of Forest Dynamics: Hemlock Woolly Adelgid Damage in Great Smoky Mountains National Park
Thesis (M. S.) University of Georgia, p. 97 - Abstract
https://getd.libs.uga.edu/pdfs/allen_hunter_b_200908_ms/allen_hunter_b_200908_ms.pdf

91. Allen, M. C., J. Sheehan, Jr., T. L. Master, R. S. Mulvihill, 2009. Responses of Acadian flycatchers (Empidonax virescens) to hemlock woolly adelgid (Adelges tsugae) infestation in Appalachian riparian forests, Vol. 126
The Auk, p. 543-553 - Abstract

92. Allen, M., J. Sheehan, T. Master, 2007. Comparing Acadian flycatcher (Empidonax virecsens) breeding biology in healthy versus adelgid infested hemlock stands, Vol. 80
Journal of the Pennsylvania Academy of Science, Abstracts of Papers, 83rd Annual Meeting of the Pennsylvania Academy of Science March 30-April 1, 2007, Radisson Hotel, Monroeville, PA, p. 100 - Abstract

93. Allen, T. R. and J. A. Kupfer, 2000. Application of spherical statistics to change vector analysis of landsat data: Southern Appalachian spruce-fir forests., Vol. 74
Remote Sensing Environ., p. 482-493 - Abstract

94. Allen, T. R. and J. A. Kupfer, 2001. Spectral response and spatial pattern of Fraser fir mortality and regeneration, Great Smoky Mountains, USA., Vol. 156
Plant Ecol., p. 59-74 - Abstract

95. Alles, D. , 1994. Investigations on the life cycle of the conifer woolly aphid Adelges (= Dreyfusia) nordmannianae Eckst. (Hom., Adelgidae) in Central Europe., Vol. 117
J. Appl. Entomol., p. 234-242 - Abstract

96. Allison, F. E. and C. J. Klein, 1961. Comparative rates of decomposition in soil of wood and bark particles of several softwood species., Vol. 25
Proc. Soil Sci. Soc. Amer., p. 193-196 - Abstract

97. Allison, T. D., R. E. Moeller, and M. B. Davis , 1986. Pollen in laminated sediments provides evidence for a mid-Holocene forest pathogen outbreak., Vol. 67
Ecology, p. 1101-1105 - Abstract

98. Ally, D. and K. Ritland, 2007. A case study: Looking at the effects of fragmentation on genetic structure in different life history stages of old-growth mountain hemlock (Tsuga mertensiana)., Vol. 98
J. Heredity, p. 73-78 - Abstract

99. Ally, D., Y. A. El-Kassaby, and K. Ritland, 2000. Genetic diversity, differentiation and mating system in mountain hemlock (Tsuga mertensiana) across British Columbia., Vol. 7
Forest Genetics, p. 97-108 - Abstract

100. Alm, S. R. anbd P. Siligato, 1991. Tree pest control, category 3A ; ornamental pest control, category 3B ; forestry pest control, category 2.
University of Rhode Island, Cooperative Extension, College of Resource Development, p. 9pp - Abstract

101. Almquist, J. H. and D. Sanger, 1995. Holocene climate and vegetation in the Milford drainage basin, Maine, U.S.A., and their implications for human history., Vol. 4
Vegetation History and Archaeobotany, p. 211-222 - Abstract

102. Aloo, T. C. and M. Karanja, 1986. The biological control of pine woolly aphid in Kenya using Tetraphleps raoi (Hemiptera: Anthocoridae).
Edgerton, Univ. College Res. Paper Ser. Njoro, Kenya, No. 10, p. 16pp - Abstract

103. Alosi, M. C. , 1980. Morphological and cytological studies on Arceuthobium (Viscaceae) in relationship to host phloem with studies on the healthy phloem in Pinus sabiniana (Pinaceae).
M. S. thesis, Portland State Univ., p. 240 - Abstract

104. Alsop, F. J. III and T. F. Laughlin, 1991. Changes in the spruce-fir avifauna of Mt. Guyot,Tennessee, 1967-1985., Vol. 66
J. Tennnessee Acad. Sci., p. 207-209 - Abstract

105. Alverson, W. S. and E. M. Waller , 1997. Deer populations and the widespread failure of hemlock regeneration in northern forests.
The Science of Overabundance : Deer Ecology and Population Management. Smithsonian Institution Press. Washington, DC , McShea, W. J., H. B. Undewood, and J. H. Rappole (eds.), p. 402pp - Abstract

106. Alverson, W. S., D. M. Waller, and S. L. Solheim, 1988. Forests too deer: edge effects in northern Wisconsin., Vol. 2
Conserv. Biol., p. 348-358 - Abstract
http://www.botany.wisc.edu/waller/deer/Foreststoodeer.pdf

107. Alverson, W. S., E. Judziewicz, S. Solheim, and D. M. Waller, 1993. Factors influencing regeneration success of eastern hemlock (Tsuga canadensis) and northern white cedar (Thuja occidentalis). II. Regional variations in deer densities., Vol. 74(Suppl. 2)
Bull. Ecol. Soc. Amer., p. 147 - Abstract

108. Amalava, B., V. C. Lamarche, Jr., and M. K. Hughes , 1994. Tree-ring chronologies from Nepal., Vol. 52
Tree-Ring Bull., p. 59-66 - Abstract

109. Amaral, J. A. and R. Knowles , 1998. Inhibition of methane consumption in forest soils by monoterpenes., Vol. 24
J. Chem. Ecol., p. 723-734 - Abstract

110. Amaral, M. , 1978. Black-tailed deer (Odocoileus hemionus columbianus) and forest reproduction: Blake Island Marine State Park, Washington., Vol. 52
Northwest Science, p. 233-235 - Abstract

111. Amen-Chen, C., B. Riedl, X.-M. Wang, and C. Roy, 2002. Softwood bark pyrolysis oil-PF resols. Part 1. Resin synthesis and OSB mechanical properties., Vol. 56
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112. Amiro, B. D. and G. M. Courtin, 1981. Patterns of vegetation in the vicinity of an industrially disturbed ecosystem, Sudbury, Ontario., Vol. 59
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113. Amman, C. D., 1963. A new distribution record for the balsam twig aphid., Vol. 56
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114. Amman, G. D., 1966. Some new infestations of the balsam woolly aphid in North Carolina, with possible modes of dispersal., Vol. 59
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115. Amman, G. D. , 1966. Aphidecta obliterata (Coleoptera: Coccinellidae), an introduced predator of the balsam woolly aphid, Chermes piceae (Homoptera: Chermidae), established in North Carolina., Vol. 59
J. Econ. Entomol., p. 506-508 - Abstract

116. Amman, G. D., 1961. Predator introductions for control of the balsam woolly adelgid on Mt. Mitchell, North Carolina.
USDA For. Serv. Res. Notes, No. 153 , p. 2pp. - Abstract

117. Amman, G. D., 1966. A Study of the Native Predators of the Balsam Woolly Aphid, Chermes piceae Ratz. (Homoptera: Cermidae) in North Carolina.
Ph. D. dissertation, Univ. of Michigan, p. 220pp - Abstract

118. Amman, G. D., 1970. Field keys to predators of the balsam woolly aphid in North Carolina.
USDA For. Serv. Res. Note, SE-145, p. 4pp. - Abstract
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119. Amman, G. D., 1970. Phenomena of Adelges piceae populations (Homoptera: Phylloxeridae) in North Carolina., Vol. 63
Ann. Entomol. Soc. Amer., p. 1727-1734 - Abstract

120. Amman, G. D., 1970. Distribution of redwood caused by the balsam woolly aphid in Fraser fir of North Carolina.
USDA For. Serv. Res. Note, SE-135, p. 4pp - Abstract
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121. Amman, G. D., 1969. Annotated list of insects infesting bark and wood of Fraser fir., Vol. 62
J. Econ. Entomol., p. 249-500 - Abstract

122. Amman, G. D., 1967. Effect of minus 29°F. on over-wintering populations of the balsam woolly aphid in North Carolina., Vol. 60
J. Econ. Entomol., p. 1765-1766 - Abstract

123. Amman, G. D., 1968. Effects of temperature and humidity on development and hatching of eggs of Adelges piceae., Vol. 61
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124. Amman, G. D., 1962. Seasonal biology of the balsam woolly aphid on Mt. Mitchell, North Carolina., Vol. 55
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125. Amman, G. D., 1969. A method of sampling the balsam woolly aphid on Fraser Fir in North Carolina., Vol. 101
Can. Entomol., p. 883-889 - Abstract

126. Amman, G. D. and C. F. Speers, 1965. Progress in biological control of the balsam woolly aphid in North Carolina., Vol. 211
Southern Lumberman, p. 147-149 - Abstract

127. Amman, G. D. and C. F. Speers, 1965. Balsam woolly aphid in the southern Appalachians., Vol. 63
J. For., p. 18-20 - Abstract

128. Amman, G. D. and C. F. Speers, 1971. Introduction and evaluation of predators from India and Pakistan for control of the balsam woolly aphid (Homoptera: Adelgidae) in North Carolina., Vol. 103
Can. Entomol., p. 528-533 - Abstract

129. Amman, G. D. and C. F. Speers, 1964. Release of predators of the balsam woolly aphid in North Carolina.
USDA For.Serv. Res. Note, SE-32, p. 4pp. - Abstract
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130. Amman, G. D. and C. R. Berry, 1963. Insects not a cause of post-emergence chornic tipburn on White Pine in Eastern Tennessee.
USDA For. Serv. Res. Note SE-2, p. 3pp - Abstract

131. Amman, G. D. and G. F. Fedde, 1971. Infestation trends of balsam woolly aphid in an Abies alba plantation in North Carolina.
USDA For. Serv. Res. Note SE-148, p. 6pp - Abstract
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132. Amman, G. D. and R. L. Talerico, 1967. Symptoms of infestation by the balsam woolly aphid displayed by Fraser fir and bracted balsam fir.
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133. Amoroso, M. M. and E. C. Turnblom, 2006. Comparing productivity of pure and mixed Douglas-fir and western hemlock plantations in the Pacific Northwest., Vol. 36
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134. Anders, O. , 1955. Weevil attack on Tsuga heterophylla., Vol. 28
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135. Andersen, H. E., R. J. McGaughey, and S. E. Reutebuch, 2005. Estimating forest canopy fuel parameters using LIDAR data., Vol. 94
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136. Andersen, J., R. Booth, and S. Jackson, 2005. Spatial and temporal patterns of Late Holocene invasion of yellow birch in central Upper Michigan.
Ecological Society of America (ESA) 90th Ann. Meeting, Montreal, Canada, Aug. 4-12, 2005, Abstract

137. Anderson, A. P., 1902. Dasyscypha resinaria Causing Canker Growth on Abies Balsamea in Minnesota., Vol. 29
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138. Anderson, B. A., M. E. Reding, M. G. Klein, and C. R. Krause, 2003. IR-4 ornamental trials conducted by USDA-ARS in Ohio: 2002.
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139. Anderson, H. W. and A. G. Gordon, 1994. The tolerant conifers: eastern hemlock and red spruce, their ecology and management.
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140. Anderson, J. F., R. P. Ford, J. D. Kegg, and J. H. Risley, 1976. The red pine scale in North America.
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141. Anderson, N. H., 1962. Anthocoridae of the Pacific North West with notes on distributions, life histories, and habits., Vol. 94
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142. Anderson, R. C., 1977. The influence of deer on the structure and composition of hemlock forests.
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143. Anderson, R. C. and A. J. Katz, 1993. Recovery of browse-sensitive tree species following release from white-tailed deer Odocoileus virginianus Zimmerman browsing pressure., Vol. 63
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144. Anderson, R. C. and O. L. Loucks, 1979. White-tail deer (Odocoileus virginianus) influence on structure and composition of Tsuga canadensis forests., Vol. 16
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145. Anderson, R. L., D. R. Foster, and G. Motzkin, 2003. Integrating lateral expansion into models of peatland development in temperate New England., Vol. 91
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146. Anderson, R. S., R. B. Davis, N. G. Miller, and R. Stuckenrath, 1986. History of late-glacial and post-glacial vegetation and disturbance around Upper South Branch Pond Northern Maine USA., Vol. 64
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147. Anderson, T. W., 1995. Forest change in the Great Lakes region at 5-7 ka BP., Vol. 49
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148. Ando, M., 1970. Litter fall and decomposition in some evergreen coniferous forests., Vol. 20
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149. Andreadis, T. G. , 1993. Concurrent epizootics of Amblyospora spp. (Microsporidia) in two northern Aedes mosquitoes., Vol. 62
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150. Andreadis, T. G., C. T. Maier-, and C. R. Lemmon, 1996. Orthosomella lambdinae n. sp. (Microsporida: Unikaryonidae) from the spring hemlock looper, Lambdina athasaria (Lepidoptera: Geometridae)., Vol. 67
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151. Andreas, B. K., 1989. The vascular flora of the glaciated Allegheny Plateau region of Ohio., Vol. 8
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152. Andresen, J. W., 1959. Collecting can for small tree-fruit.
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153. Aneja, V. P. and A. B. Murthy, 1994. Monitoring deposition of nitrogen-containing compounds in a high-elevation forest canopy., Vol. 44
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154. Aneja, V. P., W. P. Robarge, C. S. Claiborn, A. Murthy, D. Soo-Kim, Z.Li, and E. B. Cowling, 1992. Chemical climatology of high elevation spruce-fir forests in the southern Appalachian mountains., Vol. 75
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155. Angus, T., 1952. The aerobic bacteria associated with the eastern Hemlock looper Lambdina fiscellaria (Gn.)., Vol. 30
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156. Annand, P. N. , 1924. A new Chermes from pine, (Hemiptera: Aphide)., Vol. 56
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157. Annand, P. N., 1928. A contribution toward a monograph of the Adelginae (Phylloxeridae) on North America. , Vol. 6
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158. Annand, P. N., 1924. A new species of adelges (Hemiptera, Phylloxeridae)., Vol. 1
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159. Annila, E. , 1970. Host trees and emergence of Megastigmus specularis Walley (Hym., Torymidae)., Vol. 36
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160. Anomymous, 1958. Population trends of some common loopers (Geometridae) on Douglas Fir, 1949-1956, in the Okanagan-Shuswap Area., Vol. 14
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161. Anomymous, 1960. Special number: Abies grandis., Vol. 15
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162. Anonymous, 1936. Entomological Investigations., Vol. 10
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163. Anonymous, 1968/69. Pineus laevis (?) in Rhodesia.
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164. Anonymous, 1978. Forest and shade trees - new host records., Vol. 3
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165. Anonymous, 1958. Biological control of the balsam wooly aphid.
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166. Anonymous, 1991. Workshop Proceedings: exotic aphid pests of conifers. A crisis in African forestry.
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167. Anonymous, 1981. CMI Descriptions of Pathogenic Fungi and Bacteria., Vol. 72
Commonwealth Mycological Institute, Descriptions of Pathogenic Fungi and Bacteria, Vol. Set 72, Nos. 711-720, Commonwealth Agricultural Bureaux, Farnham Royal, Slough SL2 3BN, UK, Abstract

168. Anonymous, 1946. Adelges on Douglas Fir., Vol. 1944/45
Twenty-first Annual Report of the Imperial Forestry Institute, p. 11pp - Abstract

169. Anonymous, 1943. Predators and parasites of Adelges cooleyi., Vol. 1942/43
Nineteenth Annual Report of the Imperial Forestry Institute, p. 8pp - Abstract

170. Anonymous, 1953. Tree-volume tables based on forest sites: Adirondack and Catskill regions of New York State.
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171. Anonymous, 1908/1913. Papers on Coccidae or scale insects.
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172. Anonymous, 2002. Fighting aliens with aliens., Vol. 44
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173. Anonymous, 1959. Notes on the effect of insecticides on the crown fauna of Spruce and Silver Fir., Vol. 70
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174. Anonymous, 1980. Armyworm and biological control.
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175. Anonymous, 2005. Insecticide to fight HWA., Vol. 25
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176. Anonymous, 1944. Insect pests., Vol. 1944
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177. Anonymous, 2002. Non-native beetle key in park's battle: one non-native pitted against another in effort to save trees.
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178. Anonymous, 1947. Poisoning of Hemlock with sodium arsenite
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179. Anonymous, 1944. Fertilizers for Hemlock.
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180. Anonymous, 1997. Unwelcome visitors to the island at Christmas., Vol. 68
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181. Anonymous, 2002. Common insects and diseases of interior Douglas-fir.
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182. Anonymous, 1980. Forest entomology
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183. Anonymous, 1941. Official grading rules for Hemlock and Tamarack lumber conforming to American Lumber Standards, and White Cedar shingles.
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184. Anonymous, 1973. A further note on the Pine woolly aphid.
Rhodesia Forestry Commission, Research Newsletter, No. 7, p. 1-2 - Abstract

185. Anonymous, 1940. Reservation by the U. S. Forest Service of a virgin hemlock-beech forest., Vol. 92
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186. Anonymous, 1943. Analysis of seed-bed losses.
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187. Anonymous, 2000. Listing actions., Vol. 25
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188. Anonymous, 1941. Effects of fires and cutting in northern hardwoods.
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189. Anonymous, 1971. The Pine woolly aphid [Pineus pini]: present position.
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190. Anonymous, 1944. Questionnaire to Swiss forest departments on the occurrence of the dangerous Fir chermes (Dreyfusia nusslini)., Vol. 95
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191. Anonymous, 1949. Canadian wood bark as source of tannin., Vol. 1949
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192. Anonymous, 1922. Second Annual Report of the Forestry Commissioners.
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193. Anonymous, 1971. Conifer feeders identified., Vol. 232
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194. Anonymous, 1944. Damage to Silver Fir by Dreyfusia spp., Vol. 95
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195. Anonymous, 1921. Chermes attacking Spruce and other Conifers
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196. Anonymous, 1921. Chermes cooleyi
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197. Anonymous, 1994. Hemlock Woolly Adelgid.
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198. Anonymous, 1984. Forest protection.
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199. Anonymous, 1941. Report of the Department of Lands and Forests 1940-1941.
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200. Anonymous, 1956. The Forest Research Station of the West. Report for 1955-56., Vol. 2
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201. Anonymous, 1919. The Pine Tree Aphis (Chermes pini)., Vol. 30
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202. Anonymous, 1968. On the differing resistance of larches to aphid infestation., Vol. 56
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203. Anonymous, 1931. An Insect Pest of Pine Trees-the Pine Aphis., Vol. 4
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204. Anonymous, 1941. Massachusetts Agricultural Experiment Station, annual report for the fiscal year ending November 30, 1940.
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205. Anonymous, 1941/42. Identification of woods., Vol. 2
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206. Anonymous, 1954. Algonquin Hemlock, examples of grades., Vol. 15
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207. Anonymous, 1958. Here's how the aphid changed everything: roadbuilding, logging plans, logging methods, protection., Vol. 59
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208. Anonymous, 1979. A Phylloxera (Adelges laricis) - Idaho - new state record., Vol. 4
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209. Anonymous, 1947. The Douglas Fir Adelges.
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210. Anonymous, 1941. The Fir Chermes: Dreyfusia nusslini and D. piceae., Vol. 8
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211. Anonymous, 1947. The silviculture and pathology of European Larch.
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212. Anonymous, 1946. Adelges attacking Spruce and other conifers.
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213. Anonymous, 1949. Dwarf and low-growing or slow-growing plants., Vol. 5
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214. Anonymous, 1969. Propagation of conifers from cuttings., Vol. 19
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215. Anonymous, 1973. Forest entomology., Vol. 1973
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216. Anonymous, 1990?. Melampsora farlowii.
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217. Anonymous, 1935. Division of Entomology., Vol. 53
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218. Anonymous, 1980. Multi-million threat to reforestation - control of mountain 'boomer' needed., Vol. 49
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219. Anonymous , 2001. New Jersey 2001 Forest Health Highlights.
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220. Anonymous, 2000. A biological control for a hemlock pest., Vol. 98
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221. Anonymous, 1968. Weed control in the forest.
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222. Anonymous, 2005?. Tsuga canadensis (L.) Carr. Family: Pinaceae, Eastern Hemlock.
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223. Anonymous, 1942. Tannin from Western Hemlock bark., Vol. 44
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224. Anonymous, 1950. Tree Pest Leaflets.
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225. Anonymous, 1944. Forest Investigations in British Columbia., Vol. 1
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226. Anonymous, 2002. Forest Health Monitoring in Connecticut, 1996-1999.
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227. Anonymous, 1944. Insect pests.
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228. Anonymous, 1943. Tree nutrition.
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229. Anonymous, 1944. Vegetative propagation with cuttings.
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230. Anonymous, 2005. Extoxnet: Extension Toxicology Network.
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231. Anonymous, 1982. Melampsora farlowii. [Distribution map].
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232. Anonymous, 2005. Hemlock Woolly Adelgid, Adelges tsugae Annand.
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233. Anonymous, 1945. Forest Entomology.
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234. Anonymous, 1982. Colletotrichum acutatum, a fungus disease new to North America., Vol. 30
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235. Anonymous, 1917. Miscellaneous Insect Notes.
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236. Anonymous, 1941. Disease of Silver Fir in underplanting., Vol. 109
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237. Anonymous, 1965. Annual Report on Forest Entomology and Pathology.
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238. Anonymous, 1970. Slow-release fertilisers.
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239. Anonymous, 1897. Tsuga caroliniana, Engelm.; distribution and general characters., Vol. July
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240. Anonymous, 1989. Acleris gloverana. [Distribution map].
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241. Anonymous, 1965. Fomes annosus on Abies fraseri
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242. Anonymous, 1989. Acleris variana. [Distribution map].
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243. Anonymous, 1968. Ice over the earth., Vol. 218
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244. Anonymous, 1980. National forest landscape management.
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245. Anonymous, 1926. Entomological Investigations.
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246. Anonymous, 1945. Fighting looper infestation, Vol. 72
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247. Anonymous, 1969. Polyphenol content of cell walls., Vol. 1968/69
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248. Anonymous, 1950. Some potential sources of important plant products in California., Vol. 4
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249. Anonymous, 2001. Hemlock woolly adelgid infestation expands., Vol. 193
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251. Anonymous, 2000. Hemlock woolly adelgid invades Maine., Vol. 191
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252. Anonymous, 2000. Common insects and diseases of western hemlock.
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253. Anonymous, 1964. Sapsucker damage.
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254. Anonymous, 1942. Canadian versus Carolina Hemlock., Vol. 30
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255. Anonymous, 1945. Insect control: pests of Pines., Vol. 81
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256. Anonymous, 1977. Record of research for the period 1st January to 31st December 1975. Annual report 1975.
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257. Anonymous, 1945. Adelges cooleyi: an insect pest of Douglas Fir and Sitka Spruce.
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258. Anonymous, 1983. Entomology and biological control., Vol. 1983
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259. Anonymous, 1941. The pine spittle bug (Aphrophora parallela Say)., Vol. 14
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260. Anonymous, 1942. The Tionesta natural and scenic area., Vol. 7
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261. Anonymous, 1950. Hemlock: the state tree of Pennsylvania.
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262. Anonymous, 1966. Studies on the population dynamics of predators of Adelges spp. attacking silver fir and spruce in the Himalayas.
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263. Anonymous, 1944. Massachusetts Agricultural Experiment Station: Annual Report.
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264. Antipov, V. G. and I. V. Gunyazhenko, 1998. Resistance of trees and shrubs at the Botanical Garden of the S.M. Kirov Byelorussian Technical Institute to unfavourable conditions during the 1986/87 winter., Vol. 3-7
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265. Antoine, M. E. and B. McCune, 2004. Contrasting fundamental and realized ecological niches with epiphytic lichen transplants in an old-growth Pseudotsuga forest., Vol. 107
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266. Antonelli, A. L. , 1992. Balsam woolly adelgid: a pest of true fir species.
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267. Antonelli, A. L. and R. L. Campbell, 1993. Managing the Cooley Spruce Gall Adelgid.
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268. Antonyuk, E. D., 1989. Sorting the seeds of coniferous exotics by flotation in water.
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757. Bright, C., 1999. The nemesis effect., Vol. 12
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758. Bright, D. E. , 1991. Superfamily Dermestoidea family Derodontidae tooth-necked fungus beetles.
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759. Bright, D. E. and R. E. Skidmore, 1991. Two new records of Scolytidae (Coleoptera) from Canada., Vol. 45
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760. Briles, C. E., C. Whitlock, and P. J. Bartlein, 2005. Postglacial vegetation, fire, and climate history of the Siskiyou Mountains, Oregon, USA. , Vol. 64
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763. Brissette, J. C. and L. S. Kenefic, 2000. Eastern hemlock response to even- and uneven-age management in the Acadian Forest: results from the Penobscot Experimental Forest long-term silviculture study.
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765. Britton, N. L., 1906. The hemlock grove on the banks of the Bronx River and what it signifies., Vol. 1
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766. Britton, W. E., 1916. The Larch Sawfly, Lygaeonematus (Nematus) erichsoni, Hartig.
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767. Britton, W. E., 1932. Injury by Japanese Weevil, Pseudocneorrhinus setosus Roelofs., Vol. 24
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771. Brix, H., 1975. Rooting studies of western hemlock cuttings.
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772. Broadhead, E., 1958. The Psocid Fauna of Larch Trees in Northern England--An Ecological Study of Mixed Species Populations Exploiting a Common Resource., Vol. 27
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777. Broeckling, C. D. and S. M. Salom, 2001. Antennal morphology and behavioral response to host volatiles of Pseudoscymnus tsugae (Coleoptera: Coccinellidae) and Laricobius nigrinus (Coleoptera: Derodontidae), two specialist predators of hemlock woolly adelgid, Adelges tsugae (Homoptera: Adelgidae)
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778. Broeckling, C. D. and S. M. Salom, 2003. Antennal morphology of two specialist predators of hemlock woolly adelgid, Adelges tsugae Annand (Homoptera: Adelgidae)., Vol. 96
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780. Broeckling, C. D. and S. M. Salom , 2002. Effect of HWA feeding on volatile emissions of eastern hemlock, Tsuga canadensis.
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783. Brooks, J. M., 1999. A Comparison of the Volatile Organic Compounds in the Seeds and Foliage of the Fraser fir (Abies fraseri)
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784. Brooks, K. L., 1980. A Catskill New York flora and economic botany 2. Coniferales.
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788. Brooks, R. T., D. R. Dickson, W. G. Burkman, l. Millers, M, Miller-Weeks, E. Cooter, and L. Smith, 1992. Forest Health Monitoring in New England: 1990 Annual Report.
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789. Brooks, R. T., T. S. Frieswyk, D. M. Griffith, E. Cooter, and L. Smith, 1992. The New England forest: baseline for New England forest health monitoring.
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792. Brown, A. W. A. and M. R. MacKay, 1943. The Jack Pine Budworm and the Spruce Budworm, Cacoecia fumierana Clem. (Tortrieidae)., Vol. 75
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794. Brown, G. S. , 1951. Hemlock sawfly., Vol. 7
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796. Brown, J. H. , 1999. West Virginia seed sources of balsam fir: between- and within-stand variation in characteristics of half-sib families and individual progeny.
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797. Brown, J. H. and R. B. Heiligmann, 2002. Shearing West Virginia balsam (Canaan) and Fraser fir for Christmas trees.
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799. Brown, J. H. Jr., C. A. Castaneda, and R. J. Hindle, 1982. Floristic relationships and dynamics of hemlock (Tsuga canadensis) communities in Rhode Island., Vol. 109
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800. Brown, J. P. and P. E. Sendak , 2006. Association of ring shake in eastern hemlock with tree attributes , Vol. 56
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801. Brown, K. , 2003. Growth and nutritional responses of western hemlock to fertilization: a review., Vol. 3
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802. Brown, K. J. and R. J. Hebda, 2003. Coastal rainforest connections disclosed through a Late Quaternary vegetation, climate, and fire history investigation from the Mountain Hemlock Zone on southern Vancouver Island, British Colombia, Canada., Vol. 123
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803. Brown, K. R., W. A. Thompson, and G. F. Weetman , 1996. Effects of N addition rates on the productivity of Picea sitchensis, Thuja plicata, and Tsuga heterophylla seedlings. I. Growth rates, biomass allocation and macroelement nutrition., Vol. 10
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804. Brown, K. R., W. A. Thompson, E. L. Camm, B. J. Hawkins, and R. D. Guy, 1996. Effects of N addition rates on the productivity of Picea sitchensis, Thuja plicata, and Tsuga heterophylla seedlings. II. Photosynthesis, 13C discrimination and N partitioning in foliage., Vol. 10
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805. Brown, K. W., 1970. Tests of insecticides against Pineus spp. in East Africa., Vol. 36
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806. Brown, K. W. , 1969. The Pine woolly aphid, Pineus sp., in East Africa., Vol. 48
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807. Brown, M., 1998. Surface characterization of pultruded FRP and its relation to bond performance with eastern hemlock.
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808. Brown, N. C., 1919. Forest products, their manufacture and use: embracing the principal commercial features in the production, manufacture, and utilization of the most important forest products other than lumber, in the United States.
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809. Brown, N. R., 1947. Spread of an imported predator of the Balsam woolly aphid., Vol. 3
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810. Brown, N. R. and R. C. Clark, 1956. Studies of predators of the balsam woolly aphid, Adelges piceae (Ratz.) (Homoptera: Adelgidae) I. Field identification of Neoleucopis obscura (Hal.), Leucopina americana (Mall.) and Cemifania nigrocellulata Cz. (Diptera: Chamaemyiidae)., Vol. 88
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811. Brown, N. R. and R. C. Clark, 1957. Studies of predators of the balsam woolly aphid, Adelges piceae (Ratz.) (Homoptera: Adelgidae) IV. Neoleucopis obscura (Hal.) (Diptera: Chamaemyiidae), an introduced predator in eastern Canada., Vol. 89
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812. Brown, N. R. and R. C. Clark, 1960. Studies of predators of the balsam woolly aphid, Adelges piceae (Ratz) (Homoptera: Adelgidae) VIII. Syrphidae (Diptera)., Vol. 92
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813. Brown, N. R. and R. C. Clark, 1962. Studies of predators of the balsam woolly aphid, Adelges piceae (Ratz.) (Homoptera: Adelgidae) X. Field identification of Laricobius erichsonii Rosen. (Coleoptera: Derodontidae)., Vol. 94
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814. Brown, N. R. and R. C. Clark, 1959. Studies of predators of the balsam woolly aphid, Adelges piceae (Ratz.) (Homoptera: Adelgidae) VI. Aphidecta obliterata (L.) (Coleoptera: Coccinellidae), an introduced predator in eastern Canada., Vol. 91
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815. Brown, N. R. and R. C. Clerk, 1956. Studies of predators of the balsam woolly aphid, Adelges piceae (Ratz.) (Homoptera: Adelgidae) II. An annotated list of the predators associated with the balsam woolly aphid in eastern Canada., Vol. 88
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816. Brown, R. T. and J. T. Curtis, 1952. The upland conifer-hardwood forests of Northern Wisconsin., Vol. 22
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817. Brown, R. T., L. S. Woerpel, and R. D. Wood, 1960. Influence of substratum on the germination of Betula alleghaniensis and possible successional significance., Vol. 41
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818. Brown, S. S., 1989. Woodloch Springs: working together for wetland-sensitive planning.
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820. Bruck, R. I. , 1989. Survey of diseases and insects of Fraser fir and red spruce in the southern Appalachian Mountains., Vol. 19
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821. Bruck, R. I. and W. P. Robarge, 1988. Change in forest structure in the boreal montane ecosystem of Mount Mitchell, North Carolina., Vol. 18
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822. Bruck, R. I., W. P. Robarge, and A. McDaniel, 1990. Forest decline in the Southern Appalachian Mountains. Research and observations 1983-1989.
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823. Bruck, R. I., W. P. Robarge, and A. McDaniel, 1998. Forest decline in the boreal montane ecosystems of the southern Appalachian mountains., Vol. 48
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825. Brugam, R. B. and S. M. Johnson, 1997. Holocene lake-level rise in the Upper Peninsula of Michigan, USA, as indicated by peatland growth., Vol. 7
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826. Brugam, R. B., B. Owen, and L. Kolesa, 2004. Continental-scale climate forcing factors and environmental change at Glimmerglass Lake in the Upper Peninsula of Michigan, Vol. 14
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827. Brugam, R. B., K. McKeever, and L. Kolesa, 1998. A diatom-inferred water depth reconstruction for an Upper Peninsula, Michigan, lake., Vol. 20
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828. Brugam, R. B., M. Giorgi, C. Sesvold, S. M. Johnson, and R. Almos, 1997. Holocene vegetation history in the Sylvania Wilderness Area of the western Upper Peninsula of Michigan., Vol. 137
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829. Bruning, E., 1900. Uber die Harzbalsame von Abies [Tsuga] canadensis (L.) Miller, Picea vulgaris Link und Pinus pinaster Solander.
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830. Brunner, A. and J. P. Kimmins, 2003. Nitrogen fixation in coarse woody debris of Thuja plicata and Tsuga heterophylla forests on northern Vancouver Island., Vol. 33
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831. Bryant, D. G., 1971. Balsam woolly aphid, Adelges piceae (Homoptera: Phylloxeridae), seasonal and spatial development in crowns of Balsam Fir, Abies balsamea., Vol. 103
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832. Bryant, D. G., 1976. Sampling populations of Adelges piceae (Homoptera: Phylloxeridae) on balsam fir, Abies balsamea., Vol. 108
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833. Bryant, D. G., 1963. Notes on Laricobius erichsonii, an introduced predator of the balsam woolly aphid, in Newfoundland., Vol. 19
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834. Bryant, D. G. , 1974. A review of the taxonomy, biology and importance of the adelgid pests of true firs.
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835. Bryant, D. G., 1976. Distribution, abundance, and survival of the balsam woolly aphid, Adelges piceae (Homoptera; Phylloxeridae), on branches of balsam fir, Abies balsamea., Vol. 108
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836. Bryant, D. G., 1974. Distribution of first instar nymphs of Adelges piceae (Homoptera: Phylloxeridae) on branches of balsam fir, Abies balsamea, after colonization., Vol. 106
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837. Bryant, D. G. , 1973. The Measurement of Population Density of the Balsam Woolly Aphid, Adelges piceae (Ratz.), (Homoptera: Phylloxeridae), a Highly Aggregate Species.
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838. Bryant, D. G., 1968. Effect of Sumithion on the Balsam woolly aphid in Newfoundland., Vol. 24
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839. Bryant, D. G., 1963. The means of dispersal and the recommended quarantine practices of the balsam woolly aphid, Adelges piceae (Ratz.) (Homoptera: Adelgidae) in Newfoundland., Vol. 44
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840. Bryant, D. G. and J. Hudak, 1968. Aphid impact on forest stands., Vol. 1968
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841. Bryant, D. G. and J. Hudak, 1968. Balsam fir deterioration., Vol. 1968
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842. Bryant, D. G., L. J. Clarke, and N. D. Bhure, 1972. Suggested guidelines for fertilizer trials in stands affected by the balsam woolly aphid.
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843. Bryce Kendrick, W., 1961. Hyphomycetes of conifer leaf litter Thysanophora gen. nov., Vol. 39
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844. Bu, W. J. and L. Y. Zheng, 1991. Report on the genus Tetraphleps (Hemiptera: Anthocoridae) in China., Vol. 34
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846. Buchanan, T. S., 1940. Fungi causing decay in wind-thrown northwest conifers., Vol. 38
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847. Buchholz, J. T., 1948. Generic and subgeneric distribution of the Coniferales., Vol. 110
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850. Buck, L., P. Lambdin, D. Paulsen, J. Grant, A. Saxton, 2005. Insect species associated with eastern hemlock in the Great Smoky Mountains National Park and environs, Vol. 80
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851. Buck, S. E. III, 2004. Insect Fauna Associated with Eastern Hemlock, Tsuga canadensis (L.), in the Great Smoky Mountains National Park.
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853. Buckland, D. C. , 1956. Terminal shoot growth of four western conifers for a single growing season.
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854. Buckland, D. C. and E. G. Marples, 1952. Rodent damage to Western Hemlock., Vol. 28
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855. Buckland, D. C., R. E. Foster, and V. J. Nordin, 1949. Studies in forest pathology. VII. Decay in Western Hemlock and Fir in the Franklin River area, British Columbia., Vol. 27
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857. Buczacki, S. T., 1973. Some aspects of the relationships between growth vigour, canker, and dieback of European Larch., Vol. 46
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858. Buell, M. F., A. N. Langford, D. W. Davidson, and L. F. Ohmann, 1966. The upland forest continuum in Northern New Jersey., Vol. 47
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860. Buffam, P. E., 1962. Observations on the effectiveness and biology of the European predator Laricobius erichsonii Rosen. (Coleoptera: Derodontidae) in Oregon and Washington., Vol. 94
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861. Buffam, P. E., 1960. Studies of the Biology and Effectiveness of Laricobius erichsonii Rosenh. (Coleoptera: Derodontidae), an European Predator of the Balsam Woolly Aphid, Adelges piceae (Ratz.) (Homoptera: Adelgidae).
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863. Buhr, H. , 1965. Keys to galls (zoo- and phytocecidia) on plants of central and northern Europe. Vol. I: Genera A-M. Gall Nos. 1-4388. Vol. II: Genera N-Z. Gall Nos. 4389-7666., Vol. 1964
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864. Bulleri, M. and D. Coleman, 2002. Mapping uranium and lead contamination through the isotopic analysis of trees., Vol. 34
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874. Burdon, E. R. , 1908. The spruce-gall and larch-blight diseases caused by Chermes and suggestions for their prevention., Vol. 2
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875. Burdsall, H.H. Jr. , 1986. Platygloea acanthophysa, a new species with single sterigmate basidia and acanthophyses., Vol. 27
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876. Burgess, L., 2005. Identification of predatory insects and spiders in Sasajiscymnus tsugae rearing boxes.
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877. Burgess, L. W., H. Conway, and J. D. Culin, 2004. Predatory insects and spiders from hemlock branches infested with hemlock woolly adelgids.
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879. Burgi, A., Rinehen, and D. Tshewang, 1992. A study on the fir forests (Abies densa Griff.) in Chumi Valley, Central Bhutan., Vol. 4
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880. Burgi, M. and E. W. B. Russell, 2000. Evaluating accuracy of two types of early land survey records in the northeastern United States., Vol. 127
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881. Burgi, M., E. W. B. Russell, and G. Motzkin, 2000. Effects of postsettlement human activities on forest composition in the north-eastern United States: a comparative approach., Vol. 27
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883. Burk, T. E., R. P. Hans, and E. H. Wharton, 1989. Individual tree volume equations for the northwestern United States: evaluation and new form quotient board foot equations., Vol. 6
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884. Burke, H. E., 1919. Biological Notes on some Flatheaded Bark-borers of the Genus Melanophila., Vol. 12
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887. Burleigh, J., 2001. Spatial distribution of the hemlock woolly adelgid, Adelges tsugae Annand (Homoptera:Adelgidae), during the first years of infestation of eastern hemlock, Tsuga canadensis (L.), stands in southwestern Virginia.
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888. Burnham, C. F., M. J. Ferree, and F. E. Cunningham, 1947. The white pine-hemlock forest of the Anthracite region.
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889. Burns, B. S. and G. Trial Jr., 2000. Recovery of hemlock in Vermont from defoliation by the spring hemlock looper, Lambdina athasaria (Walker).
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890. Burns, B., B. Teillon, S. Pfister, and T. Greaves, 2005. Don't color us in (yet): Will regulations and research keep Vermont adelgid free?
Third Symposium on Hemlock Woolly Adelgid in the Eastern United States, Ashville, NC. February 1-3, 2005, USDA For. Serv. FHTET-2005-01, Morgantown, WVa, Onken, B. and R. Reardon (Compilers), p. 234-239 - Abstract
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891. Burns, G. P., 1923. Studies in tolerance of New England forest trees: IV. Minimum light requierments referred to a definite standard.
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892. Burns, G. P. , 1944. Studies in tolerance of New England forest trees. XV. Soil temperature as influenced by the density of White Pine cover.
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893. Burns, R. M. (ed.), 1983. Silvicultural Systems for the Major Forest Types of the United States.
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894. Burns, R. M. and B. H. Honkala, 1990. Silvics of North America. Volume 1. Conifers. Volume 2: Hardwoods.
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898. Buscher, K. R. , 1998. The effect of Abies fraseri mortality on Rugelia nudicaulis populations in the Great Smoky Mountains National Park.
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902. Busing, R. T., 1989. A half century of change in a Great Smoky Mountains cove forest., Vol. 116
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903. Busing, R. T., 1993. Three decades of change at Albright Grove, Tennessee., Vol. 58
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904. Busing, R. T., 1996. Estimation of tree replacement patterns in an Appalachian Picea-Abies forest., Vol. 7
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905. Busing, R. T., 1998. Composition, structure and diversity of cove forest stands in the Great Smoky Mountains: a patch dynamics perspective., Vol. 9
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906. Busing, R. T., 1998. Structure and dynamics of cove forests in the Great Smoky Mountains., Vol. 63
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907. Busing, R. T. and E. E. C. Clebsch, 1988. Fraser fir mortality and the dynamics of a Great Smoky Mountains fir-spruce stand., Vol. 53
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908. Busing, R. T. and E. E. C. Clebsch, 1987. Application of a spruce-fir forest canopy gap model., Vol. 20
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909. Busing, R. T. and E. F. Pauley, 1994. Mortality trends in a southern Appalachian red spruce population., Vol. 64
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910. Busing, R. T. and P. S. White, 1997. Species diversity and small-scale disturbance in an old-growth temperate forest: a consideration of gap partitioning concepts., Vol. 78
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911. Busing, R. T. and P. S. White, 1993. Effects of area on old-growth forest attributes: implications for the equilibrium landscape concept., Vol. 8
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912. Busing, R. T. and X. Wu, 1990. Size-specific mortality, growth, and structure of a Great Smoky Mountains red spruce population., Vol. 20
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913. Busing, R. T., E. E. C. Clebsch, and P. S. White, 1993. Biomass and production of southern Appalachian cove forests reexamined., Vol. 23
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914. Busing, R. T., E. E. C. Clebsch, C. C. Eagar, and E. F. Pauley, 1988. Two decades of change in a Great Smoky Mountains spruce-fir forest., Vol. 115
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915. Busing, R. T., P. S. White, and M. D. MacKenzie, 1993. Gradient analysis of spruce-fir forests of the Great Smoky Mountains circa 1935., Vol. 71
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916. Buszewicz, G. and G. D. Holmes, 1961. A summary of ten years' seed testing experience with Western Hemlock, Tsuga heterophylla.
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919. Butin, E. E., N. P. Havill, J.S. Elkinton, and M. E. Montgomery, 2004. Feeding preference of three lady beetle predators of the hemlock woolly adelgid (Homoptera: Adelgidae)., Vol. 97
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920. Butin, E., A. H. Porter, and J. Elkinton, 2005. Adaptation during biological invasions and the case of Adelges tsugae. , Vol. 7
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921. Butin, E., E. Preisser, and J. Elkinton, 2007. A comparison of strategies for experimentally inoculating eastern hemlock with the Hemlock Woolly Adelgid
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922. Butin, E., E. Preisser, J. Elkinton, 2007. Factors affecting settlement rate of the hemlock woolly adelgid, Adelges tsugae, on eastern hemlock, Tsuga canadensis, Vol. 9
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923. Butin, E., J. Elkinton, and M. Montgomery, 2001. Comparative impact of Scymnus ningshanensis (Coleoptera: Coccinellidae) and Pseudoscymnus tsugae (Coleoptera: Coccinellidae) on hemlock woolly adelgid (Homoptera: Adelgidae).
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924. Butin, E., J. Elkinton, N. Havil, and M. Montgomery, 2003. Comparative impact of Scymnus ningshanensis and Pseudoscymnus tsugae (Coleoptera: Coccinellidae) on the hemlock woolly adelgid.
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930. Byrkit, M. K. and D. W. Ross, 2004. Hemlock Woolly Adelgid (Adelges tsugae Annand) Phenology and Predators in the Pacific Northwest.
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947. Cameron, A. E. , 1936. Insect and other Pests of 1935., Vol. 1935
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949. Cameron, D. W. and C. B. Drake, 1976. Colouring matters of the Aphidoidea. XL. The external wax of the woolly apple aphid Eriosoma lanigerum (Hemiptera : Insecta), Vol. 29
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950. Cameron, E. A. and V. C. Mastro, 1975. Control of a looper, Lambdina athasaria athasaria, on Hemlock with three chemical insecticides., Vol. 68
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951. Cameron, E. A., R. L. Campbell, and L. E. Adams, 1973. Insecticidal control of Adelges abietis in Pennsylvania, Vol. 66
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952. Cameron, M. R. III and J. E. Winstead, 1978. Structure and composition of a climax mixed mesophytic forest system in Laurel County, Kentucky USA., Vol. 39
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954. Campbell, F. T., 2005. The nature conservancy's response to HWA.
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955. Campbell, F. T., 2002. Invasive species: a growing concern.
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956. Campbell, F. T. and S. E. Schlarbaum, 2002. Fading Forests: II: Trading Away North America's Natural Heritage.
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957. Campbell, J. L. , 1998. Detritus Production and Nitrogen Mineralization in Old-Growth Eastern Hemlock (Tsuga canadensis (L.) Carr.) and Sugar Maple (Acer saccharum Marsh.) Forests.
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959. Campbell, J. L. and S. T. Gower, 2000. Detritus production and soil N transformations in old-growth eastern hemlock and sugar maple stands., Vol. 3
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960. Campbell, R. K. and S. M. Ritland, 1982. Regulation of seed-germination timing by moist chilling in western hemlock., Vol. 92
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962. Campbell, R. L. and B. A. Thielges, 1972. Spruces resistant to gall aphids--background and prospect., Vol. 38
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963. Campbell, R. L. and C. P. Balderston, 1972. Insecticidal control of Adelges cooleyi on Douglas-Fir in Ohio, with notes on biology., Vol. 65
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1017. Carter, C. I. , 1975. Towards integrated control of tree aphids.
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1080. Cheah, C. A. S.-J. and C. Donahue, 2002. Potential biological control of balsam woolly adelgid.
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Hemlock Ecology and Management: Proceedings of a Regional Conference on Ecology and Management of Eastern Hemlock, Sept. 27-28, 1995, Iron Mountain, Michigan. Univ. Wisconsin, Madison, Wisconsin., Mroz, G. and J. Martin (eds.), p. 11-17 - Abstract

1332. Crowder, A. A. and G. J. Taylor, 1984. Characteristics of sites occupied by wild lily-of-the-valley, Maianthemum canadense , on Hill Island, Ontario., Vol. 98
Can. Field Nat., p. 151-158 - Abstract

1333. Crowley, S. E. , 1999. Biogeochemical cycling in managed and old-growth northern hardwood and hemlock forests of the upper great lakes region.
M.S. thesis, University of Wisconsin, p. 63pp - Abstract

1334. Crowson, R. A., 1987. Some records of Coleoptera from Dalmeny Park, West Lothian, Scotland., Vol. 123
Entomol. Monthly Mag., p. 1472-1473 - Abstract

1335. Croxton, W. C. , 1939. A study of the tolerance of trees to breakage by ice accumulation., Vol. 20
Ecology, p. 71-73 - Abstract

1336. Culliney, T. W. , 1981. Population Regulation of the Eurasian Pine Aphid, Pineus pini (Macquart), by the Predator, Leucopis (Neoleucopis) obscura Haliday, in Hawaii.
M. S. thesis, Univ. of Hawaii, p. 60pp - Abstract

1337. Culliney, T. W., J. W. Beardsley, Jr., and J. J. Drea, 1988. Population regulation of the Eurasian pine adelgid (Homoptera: Adelgidae) in Hawaii., Vol. 81
J. Econ. Entomol., p. 142-147 - Abstract

1338. Cumming, M. E. P., 1962. A monomorphic cycle of Adelges cooleyi (Gill.) (Homoptera: Phylloxeridae) living only on spruce., Vol. 94
Can. Entomol., p. 1190-1195 - Abstract

1339. Cumming, M. E. P., 1955. Adelgid galls (on conifers) in the Prairie Provinces., Vol. 11
Dep. Agric. Can. Bi-monthly Prog. Rep. Div. For. Biol., p. 2 - Abstract

1340. Cumming, M. E. P., 1953. Notes on the Life History and seasonal Development of the Pine Needle Scale, Phenacaspis pinifoliae (Fitch) (Diaspididae: Homoptera)., Vol. 85
Can. Entomol., p. 347-352 - Abstract

1341. Cumming, M. E. P., 1968. The life history and morphology of Adelges lariciatus (Homoptera: Phylloxeridae)., Vol. 100
Can. Entomol., p. 113-126 - Abstract

1342. Cumming, M. E. P., 1956. The Adelginae of Alberta, identification and investigation of life histories. I. Adelges Cooleyi (Gill.).
Canada Dept. of Agriculture. Science Service, Forest Biology Laboratory, Calgary, Alberta, p. 14pp - Abstract

1343. Cumming, M. E. P., 1959. The biology of Adelges cooleyi (Gill.)(Homoptera: Phylloxeridae)., Vol. 91
Can. Entomol., p. 601-617 - Abstract

1344. Cumming, M. E. P., 1962. The biology of Pineus similis (Gill.) (Homoptera: Phylloxeridae) on Spruce., Vol. 94
Can. Entomol., p. 395-408 - Abstract

1345. Cummings, M. B., 1946. Insects and diseases of nursery stock., Vol. 83
Amer. Nurseryman, p. 13-14 - Abstract

1346. Cunliffe, N., 1921. The Douglas Fir Aphis (Chermes cooleyi, Gill.)., Vol. 15
Quart. J. Forestry., p. 157-159 - Abstract

1347. Cunningham, J. C. , 1971. An ultrastructural study of the development of a nuclear polyhedrosis virus of the eastern hemlock looper, Lambdina fiscellaria fiscellaria., Vol. 17
Can. J. Microbiol., p. 69-72 - Abstract

1348. Cunningham, J. C., 1970. The effect of storage on the nuclear polyhedrosis virus of the eastern hemlock looper, Lambdina fiscellaria fiscellaria (Lepidoptera: Geometridae)., Vol. 16
J. Invert. Path., p. 352-356 - Abstract

1349. Cunningham, J. C. , 1971. Polyhedrosis viruses infecting the eastern hemlock looper, Lambdina fiscellaria fiscellaria.
Society for Invertebrate Pathology: IVth International Colloquium on Insect Pathology. With the Society for Invertebrate Pathology. College Park, Maryland-USA 25-28 August 1970, p. 292-296 - Abstract

1350. Cunningham, J. C., 1970. Pathogenicity tests of nuclear polyhedrosis viruses infecting the eastern hemlock looper, Lambdina fiscellaria fiscellaria (Lepidoptera: Geometridae)., Vol. 102
Can. Entomol., p. 1534-1539 - Abstract

1351. Cunningham, J..C, 1970. Persistence of the nuclear polyhedrosis virus of the Eastern Hemlock looper on Balsam foliage., Vol. 26
Can. For. Bi-Monthly Res. Notes, p. 24-25 - Abstract

1352. Curran, C. H. , 1920. Observations on the more common aphidophagous syrphid flies (Diptera)., Vol. 52
Can. Entomol., p. 53-55 - Abstract

1353. Curry, J. R. and T. W. Church, Jr., 1952. Observations on winter drying of conifers in the Adirondacks., Vol. 50
J. For. , p. 114-116 - Abstract

1354. Curtis, A. B. , 2003. Horse Rock Ridge Research Natural Area: guidebook supplement 27.
USDA For. Serv. Gen. Tech. Rep. PNW-GTR-571 , p. 30pp - Abstract

1355. Curtis, J. D., 1941. The silvicultural significance of the porcupine, Vol. 39
J. For. , p. 583-594 - Abstract

1356. Curtis, J. D., 1944. Appraisal of porcupine damage., Vol. 8
J. Wildl. Manage., p. 88-91 - Abstract

1357. Curtis, J. D. and E. L. Kozicky, 1944. Observations on the eastern porcupine., Vol. 25
J. Mammology, p. 137-146 - Abstract

1358. Curtis, J. T. and R. Dix, 1956. The distribution of alpha-radioactivity in native vegetation., Vol. 117
Bot. Gazette, p. 231-238 - Abstract

1359. Cushman, R. A. , 1939. New Ichneumon-flies parasitic on the Hemlock sawfly (Neodiprion tsugae Middleton)., Vol. 29
J. Wash. Acad. Sci., p. 391-402 - Abstract

1360. Cwynar, L. C. , 1990. A late Quaternary vegetation history from Lily Lake, Chilkat Peninsula, southeast Alaska., Vol. 68
Can. J. Bot., p. 1106-1112 - Abstract

1361. Czajkowska, B. and P. Ewa, 2005. Spruce spider mite (Oligonychus ununguis Jacobi) and its predators associated with ornamental coniferous plants in Polish nurseries., Vol. 28
Bulletin OILB/SROP, p. 75-78 - Abstract

1362. Czajkowska, B., E. Przygoda, and M. Kielkiewicz, 2001. Infestation of coniferous ornamental plants by spruce spider mite (Oligonychus ununguis Jacobi) in Polish nurseries., Vol. 41
Progress in Plant Protection, p. 532-535 - Abstract

1363. Czajkowska, B., M. Kielkiewicz, and E. Puchalska, 2003. Population parameters as an indicator of susceptibility of ornamental coniferous plants to spruce spider mite., Vol. 43
Journal of Plant Protection Research, p. 155-162 - Abstract

1364. Czarnowski, W. , 2003. Biomonitoring of fluorine pollution.
Fluoride in Medicine, Biology and Toxicology, No. Ed. 1, p. 80-89 - Abstract

1365. Czechowska, W. , 1995. Neuropteroidea and Coccinellidae (Coleoptera) of pine canopies of the pine forests in the Berezinsky Biosphere Reserve in Byelorussia., Vol. 38
Fragmenta Faunistica, p. 159-163 - Abstract

1366. Czechowska, W., 1995. Coccinellidae (Coleoptera) of the canopy layer in pine forests., Vol. 38
Fragmenta Faunistica , p. 379-388 - Abstract

1367. Dagher, H. J., T. E. Kimball, S. M. Shaler, and B. Abdel-Magid, 1996. Effect of FRP Reinforcement on Low Grade Eastern Hemlock Glulams.
National Conference on Wood Transportation Structures, 1996 October 23-25; Madison, WI. USDA For. Serv. Gen. Tech. Rep. FPL- GTR-94, Ritter, M.A.,S. R. Duwadi, and P. D. H. Lee (eds.), p. 9pp - Abstract
http://www.fpl.fs.fed.us/documnts/pdf1996/daghe96b.pdf

1368. Dahir, S. E., 1995. Tree Mortality and Gap Formation in Old-Growth Hemlock-Hardwood Forests of the Great Lakes Region.
M. S. thesis, Univ. of Wisconsin, Madison, p. 100pp - Abstract

1369. Dahir, S. E. and C. G. Lorimer, 1996. Variation in canopy gap formation among developmental stages of northern hardwood stands., Vol. 26
Can. J. For. Res., p. 1875-1892 - Abstract

1370. Dahlsten, D. L. and N. J. Mills, 1999. Biological control of forest insects.
Handbook of Biological Control, Academic Press, San Diego, CA, p. 761-788 - Abstract

1371. Dai, Y. C. and K. Korhonen, 2004. Heterobasidion parviporum identified from Northern Sichuan Province with the aid of mating tests., Vol. 4
Journal of Fungal Research, p. 1-4 - Abstract

1372. Dai, K. H., M. B. David, G. F. Vance, J. W. McLaughlin, and I. J. Fernandez, 1996. Acidity characteristics of soluble organic substances in spruce-fir forest floor leachates., Vol. 161
Soil Sci., p. 694-704 - Abstract

1373. Dai, Y. C. and B. K. Cui, 2006. Two new species of Hymenochoetaceae from eastern China. , Vol. 94
Mycotoxon, p. 341-347 - Abstract

1374. Dai, Y. C. and K. Korhonen, 2003. First report of Heterobasidion parviporum (S group of H. annosum sensu lato) on Tsuga spp. in Asia., Vol. 87
Plant Dis. , p. 1007 - Abstract

1375. Dale, V. H., K. O. Lannom, M. L. Tharp, D. G. Hodges, J. Fogel, 2009. Effects of climate change, land-use change, and invasive species on the ecology of the Cumberland forests, Vol. 39
Canadian Journal of Forest Research, p. 467-480 - Abstract
http://article.pubs.nrccnrc.gc.ca/RPAS/rpv?hm=HInit&journal=cjfr&volume=39&calyLang=eng&afpf=x08-172.pdf

1376. Dale, V. H., R. H. Gardner, D. L. DeAngelis, C. C. Eagar, and J. W. Webb, 1991. Elevation-mediated effects of balsam woolly adelgid on southern Appalachian spruce-fir forests., Vol. 21
Can. J. For. Res., p. 1639-1468 - Abstract

1377. Daley, M. J., N. G. Phillips, J. C. Pettijohn, J. Hadley, 2008. Hydraulic responses to environmental perturbations in Tsuga canadensis and Betula lenta, Vol. 28
Tree Physiology, p. 1341-1348 - Abstract

1378. Daley, M.J., 2007. Changes in ecohydrological function due to the loss and replacement of eastern hemlock in a New England forest
Ph.D., Boston University, p. 2030 - Abstract

1379. Daley, M.J., N.G. Phillips, C. Pettijohn, J.L. Hadley, 2007. Water use by eastern hemlock (Tsuga canadensis) and black birch (Betula lenta): implications of effects of the hemlock woolly adelgid, Vol. 37
Canadian Journal of Forest Research, p. 2031-2040 - Abstract

1380. D'Amato, A. and D. Orwig, 2005. The structure, composition, and dynamics of old-growth forests in the Berkshire Hills and Taconic Mountains, western Massachusetts.
Ecological Society of America (ESA) 90th Ann. Meeting, Montreal, Canada, Aug. 4-12, 2005, Abstract

1381. D'Amato, A. W., D. A. Orwig, and D. R. Foster, 2006. New estimates of Massachusetts old-growth forests: Useful data for regional conservation and forest reserve planning. , Vol. 13
Northeastern Naturalist, p. 495-506 - Abstract

1382. D'Amato, A. W., D. A. Owig, D. R. Foster, 2009. Understory vegetation in old-growth and second-growth Tsuga canadensis forests in western Massachusetts, Vol. 257
Forest Ecology and Management, p. 1043-1052 - Abstract

1383. D'Amato, A.W. and D.A. Orwig, 2004. The Structure and Composition of Old-Growth Forests in the Berkshire Hills of Western Massachusetts
15th Annual Harvard Forest Ecology Symposium, 29 March 2004, Abstract

1384. D'Amato, A.W., D.A. Orwig, and D.R. Foster, 2006. New estimates of Massachusetts old-growth forests: useful data for regional conservation and forest reserve planning, Vol. 13
Northeastern Naturalist, p. 495-506 - Abstract

1385. D'Amato, A.W., D.A. Orwig, D.R. Foster, 2008. The influence of successional processes and disturbance on the structure of Tsuga canadensis forests, Vol. 18
Ecological Applications, p. 1182-1199 - Abstract

1386. D'Amato, T. and D. Foster, 2005. The structure, composition, and dynamics of old-growth forests in the Berkshire Hills and Taconic Mountains, western Massachusetts.
16th Annual Harvard Forest Symposium Abstracts, Abstract

1387. Danard, A. S., 1968. Newly hatched western hemlock looper larvae successfully reared on forced foliage of American larch., Vol. 24
Can. For. Serv. Bi-Monthly Res. Notes, p. 7 - Abstract

1388. Dance, W. and D. F. Lynn, 1964. Annual Report of the Forest Insect and Disease Survey.
Annual Report of the Forest Insect and Disease Survey, Canada Department or Forestry, 1963, p. 139pp - Abstract

1389. Danell, E. , 2002. Current research on chanterelle cultivation in Sweden.
Edible Mycorrhizal Mushrooms and their Cultivation. Proceedings of the Second International Conference on Edible Mycorrhizal Mushrooms, Christchurch, New Zealand, 3-6 July, 2001, Hall, I., Y. Wang, and E. Danell (eds.), p. 1-4 - Abstract

1390. Danoff-Burg, J. A. and S. Bird, 2002. Hemlock woolly adelgid and elongate hemlock scale: partners in crime?
Proceedings: Hemlock Woolly Adelgid in the Eastern United States Symposium. Feb. 5-7, 2002, East Brunswick, NJ, USDA For. Serv./State Univ. of N. J. Rutgers, Onken, B., R. Reardon, and J. Lashomb (eds.), p. 254-268 - Abstract
http://na.fs.fed.us/fhp/hwa/pub/proceedings/hwa_elongate.pdf

1391. Darker, G. D., 1965. The occurrence of Rhizothyrium on Abies and Tsuga., Vol. 43
Can. J. Bot., p. 11-14 - Abstract

1392. Darling, L. M. and S. A. Y. Omule, 1989. Extensive studies of fertilizing and thinning coastal Douglas-fir and western hemlock: an establishment report.
FRDA Report (Victoria, B.C.), No. 054, p. 22pp - Abstract

1393. Darlington, H. C., 1943. Vegetation and substrate of Cranberry Glades, West Virginia., Vol. 104
Bot. Gaz., p. 371-393 - Abstract

1394. D'Arrigo, R. D., W. S. F. Schuster, D. M. Lawrence, E. R. Cook, M. Wiljanen, and R. D. Thitford, 2001. Climate-growth relationships of eastern hemlock and chestnut oak from Black Rock Forest in the Highlands of southeastern New York., Vol. 57
Tree-Ring Res. , p. 183-190 - Abstract

1395. Darrow, W. K., 1984. International provenance trials of Pinus kesiya in South Africa: results at first thinning.
South African Forestry Journal, No. 129, p. 21-30 - Abstract

1396. Darrow, W. K. nand H. Coetzee, 1983. Potentially valuable Mexican pines for the summer rainfall region of Southern Africa.
South African Forestry Journal, No. 124, p. 23-35 - Abstract

1397. Das, P. K., S. Nath, N. Mukhopadhyay, and S. K. Banerjee, 1993. Decomposition of litters and their effects on physicochemical and microbial properties of soil., Vol. 59
Proceedings of the Indian National Science Academy. Part B, Biological Sciences, p. 517-524 - Abstract

1398. Dasch, J. M. , 1988. Hydrological and chemical inputs to fir trees from rain and clouds during a 1-month study at Clingmans Peak, NC., Vol. 22
Atmospheric Environment, p. 2255-2262 - Abstract

1399. Daubenmire, R. F., 1930. The relation of certain ecological factors to the inhibitation of forest floor herbs under hemlock., Vol. 1
Butler Univ. Bot. Studies, p. 61-76 - Abstract

1400. Daubenmire, R. F., 1931. Factors favoring the presistence of a relic association of eastern hemlock in Indiana., Vol. 2
Butler Univ. Bot. Studies, p. 29-32 - Abstract

1401. Daubenmire, R. F., 1930. The Relation of Certain Ecological Factors to the Inhibition of Forest Foor Herbs Under Hemlock.
B. S. thesis, Magna Cum Laude--Butler University, p. 18pp - Abstract

1402. Daviault, L., 1949. Pine bark aphid (Pineus strobi Htg.)., Vol. 5
Dep. Agric. Can. Bi-monthly Prog. Rep. For. Insect Invest., p. 2 - Abstract

1403. David, J. H., 1962. Investigations with the Systemic Insecticides Phorate, O, O-diethyl S-(ethylthio) methyl phosphorodithioate, and Di-Syston, O, O-diethyl S-2-(ethylthio) Ethyl Phosphorodithioate, for the Control of Fenusa pusilla and spruce gall aphid, Chermes abietis.
Ph. D. dissertation, Univ. of Massachusetts, p. 149pp - Abstract

1404. Davidenko, L. K. and M. V. Davidenko, 1974. The status of pines and their resistance to Chermes pinicorticis in the buzuluk forest.
Sb. Rabot po les. kh-vu. Borovaya les opyt. st., No. 3, p. 64-94 - Abstract

1405. Davidoff, M. L., 1960. Tsuga canadensis in Middle Michigan; the Relationship of its Ecology to its Status as a Natural Resource.
M. S. thesis, Univ. of Michigan, p. 77pp - Abstract

1406. Davidson, D. W. , 1963. Living stumps of Tsuga canadensis (L.) Carr. (Hemlock) in Northern New Jersey ., Vol. 90
Bull. Torrey Bot. Club, p. 204-207 - Abstract

1407. Davidson, D. W. and R. M. Davis, 1964. Further observations on living stumps of Tsuga canadensis (L.) Carr. (Hemlock) in northern New Jersey. , Vol. 91
Bull. Torrey Bot. Club, p. 233-234 - Abstract

1408. Davidson, E. A., A. D. Richardson, K. E. Savage, and D. Y. Hollinger, 2006. A distinct seasonal pattern of the ratio of soil respiration to total ecosystem respiration in a spruce-dominated forest., Vol. 12
Global Change Biology, p. 230-239 - Abstract

1409. Davidson, J., 1929. On the occurrence of parthenogenetic and sexual forms of Aphis rumicis L., with special reference to the influence of environmental factors., Vol. 25
Ann. Appl. Biol. , p. 104-134 - Abstract

1410. Davidson, J., 1935. Insects observed on Crops in South Australia during Period June 1932 to June 1934., Vol. 38
J. Dep. Agric. S. Aust., p. 998-1003 - Abstract

1411. Davidson, J., 1927. The biological and ecological Aspect of Migration in Aphids., Vol. 22
Sci. Prog., p. 57-69 - Abstract

1412. Davidson, J. A. and C. W. McComb, 1958. Notes on the biology and control of Fiorinia externa Ferris., Vol. 51
J. Econ. Entomol. , p. 405-406 - Abstract

1413. Davidson, R. W. , 1966. New species of Ceratocystis from conifers., Vol. 28
Mycopathologia et Mycologia Applicata, den Haag, p. 273-286 - Abstract

1414. Davies, J. M., 1968. Adelgids attacking spruce and other conifers.
For. Comm., Lond. Leafl. No. 7, p. 11pp - Abstract

1415. Davis, D., M.S. Fromm, M.D. Davis, 2007. Impact of the hemlock woolly adelgid on radial growth of eastern hemlock in Pennsylvania
e-Gen. Tech. Rep. SRS-101. U.S. Department of Agriculture, Forest Service, Southern Research Station, p. 157-162 - Abstract

1416. Davis, E. J. and L. E. Pritchard, 1988. R64drd11 plasmid origin of transfer (oriT) and, balsam woolly adelgid [Dreyfusia piceae] mitochondrial DNA (BWA-mtDNA): isolation and characterization., Vol. 30
Genome (Suppl. No.1), Genetics and the Unity of Biology, International Congress of Genetics, 20-27 August 1988, Toronto, Canada., p. 140 - Abstract

1417. Davis, G. A., N. P. Havill, Z. N. Adelman, A. Caccone, L. T. Kok, S. M. Salom, 2011. DNA barcodes and molecular diagnostics to distinguish an introduced and native Laricobius (Coleoptera: Derodontidae) species in eastern North America, Vol. 58
Biological Control, p. 53-59 - Abstract

1418. Davis, G. A., S. M. Salom, C. C. Brewster, B. P. Onken, L.T. Kok, 2012. Spatiotemporal distribution of the hemlock woolly adelgid predator Laricobius nigrinus after release in eastern hemlock forests, Vol. 14
Agricultural and Forest Entomology, p. 408-418 - Abstract

1419. Davis, G. A., S. M. Salom, L. T. Kok, D. L. Mausel, 2008. Preliminary assessment for presence of a native and introduced Laricobius species
Fourth Symposium on Hemlock Woolly Adelgid in the Eastern United States, Hartford, Connecticut, February 12-14, 2008. USDA Forest Service, FHTET-2008-01, Morgantown, West Virginia. Onken, B. and R. Reardon (compilers), p. 223 - Abstract

1420. Davis, G. and A. C. Hart, 1961. Effect of seedbed preparation on natural reproduction of Spruce and Hemlock under dense shade.
USDA For. Serv. Res. Pap. NE-160, p. 12pp - Abstract

1421. Davis, M. B., 1980. Mid-Holocene hemlock decline; evidence for a pathogen or insect outbreak.
Geobotany II, Geobotany Conference, Bowling Green, OH, United States, Mar. 1, 1980, Plenum Press, New York, NY, Romans, R. C. (ed.), Abstract

1422. Davis, M. B., 1980. Was the mid-Holocene hemlock decline in North America caused by a pathogen?, Vol. 5
Fifth Inter. Palynological Conf., Cambridge, United Kingdom, 1980, p. 104 - Abstract

1423. Davis, M. B. , 1967. Pollen accumulation rates at Rogers Lake, Connecticut, during late- and postglacial time. , Vol. 2
Review of Palaeobotany and Palynology , p. 219-230 - Abstract

1424. Davis, M. B. , 1983. Quaternary history of deciduous forests of Eastern North America and Europe., Vol. 70
Ann. Missouri Bot. Garden, p. 550-563 - Abstract

1425. Davis, M. B., 1965. Phytogeography and palynology of northeastern United States.
The Quaternary of the United States, Princeton University Press, Princeton, N.J., Wright, H. E., Jr. and D. G. Frey (eds.), p. 377-401 - Abstract

1426. Davis, M. B. , 1993. Holocene vegetational history ofthe eastern United States.
Late Quaternary Environments of the United States. Vol.2. The Holocene, Univ. of Minnesota Press, Minneaoplis, MN, p. 166-181 - Abstract

1427. Davis, M. B. , 2001. Climate change and steady state in temperate hardwood forests.
Ecology: Achievement and Challenge: the 41st Symp. of the British Ecological Society sponsored by the Ecological Society of America, Orlando, Florida, USA, 10-13 April 2000, Press, M. C., H. J. Huntly, and S. Levin (eds.), p. 211-225 - Abstract

1428. Davis, M. B. , 1990. Climatic change and the survival of forest species.
The Earth in Transition: Patterns and Processes of Biotic Impoverishment. Based on contributions to a conference held at Woods Hole Research Centre, Massachusetts, October 1986., Woodwell, G. M. (ed.), p. 99-110 - Abstract

1429. Davis, M. B., 1984. Invasions of forest communities during the Holocene: beech and hemlock in the Great Lakes Region.
Colonization, Succession and Stability. 26th Symp. Brit. Ecol. Soc., Gray, A. J., M. J. Crawley, and P. J. Edwards (eds.), p. 373-393 - Abstract

1430. Davis, M. B., 1989. Lags in vegetation response to greenhouse warming., Vol. 15
Climatic Change, p. 75-82 - Abstract

1431. Davis, M. B. , 1980. Quaternary history and the stability of forest.
Forest Succession: Concepts and Applications, Springer-Verlag, NY , West, D. C., H. H. Shugart, and D. B. Botkin (eds.), p. 132-153 - Abstract

1432. Davis, M. B., 1981. Outbreaks of forest pathogens in Quaternary history. , Vol. 3
Proceedings of the IV International Palynological Conference, Lucknow, 1976-77, p. 216-227 - Abstract

1433. Davis, M. B. , 1959. Climatic changes in southern Connecticut Recorded by pollen deposition at Rogers Lake., Vol. 50
Ecology, p. 409-422 - Abstract

1434. Davis, M. B. (ed.), 1986. Vegetation - climate equilibrium., Vol. 67
Vegetatio, p. 65-141 - Abstract

1435. Davis, M. B. and T. Webb III, 1975. The contemporary distribution of pollen in eastern North America: A comparison with the vegetation. , Vol. 5
Quaternary Research , p. 395-434 - Abstract

1436. Davis, M. B., J. H. Mack, and R. R. Calcote, 1986. Diffusion of hemlock (Tsuga canadensis ) into Michigan and Wisconsin during the Holocene.
IV International Congress of Ecology; 71st Annual ESA Meeting, Syracuse, NY (USA), 10-16 Aug 1986, Abstract

1437. Davis, M. B., K. D. Woods, S. L. Webb, and R. P. Futyma, 1986. Dispersal versus climate: expansion of Fagus and Tsuga into the Upper Great Lakes region., Vol. 67
Vegetatio, p. 93-103 - Abstract

1438. Davis, M. B., M. W. Schwartz, and K. Woods, 1991. Detecting a species limit from pollen in sediments., Vol. 18
J. Biogeography, p. 653-668 - Abstract

1439. Davis, M. B., R. R. Calcote, S. Sugita, and H. Takahara, 1998. Patchy invasion and the origin of a hemlock-hardwoods forest mosaic., Vol. 79
Ecology, p. 2641-2659 - Abstract

1440. Davis, M. B., R. W. Spear, and L. C. K. Shane, 1980. Holocene climate in New England USA., Vol. 14
Quaternary Res., p. 240-250 - Abstract

1441. Davis, M. B., S. Sugita, R R. Calcote, J. B. Ferrari, and L. E. Frelich, 1994. Historical development of alternate communities in a hemlock-hardwood forest in northern Michigan, USA.
Large-Scale Ecology and Conservation Biology: the 35th Symposium of the British Ecological Society with the Society for Conservation Biology, University of Southampton, 1993, Edwards, P. J., R. May, and N. R. Webb (eds.), p. 19-39 - Abstract

1442. Davis, M. B., S. Sugita, R. R. Calcote, and L. Frelich, 1992. Effects of invasion of Tsuga canadensis on a North American forest ecosystem.
Response of Forest Ecosystems to Environmental Changes, Elsevier Applied Science, London, UK, Teller, A., P. Mathy, and J. N. R. Jeffers (eds.), p. 34-44 - Abstract

1443. Davis, M. B., S. Sugita, R. R. Calcote, T. E. Parshall, and J. B. Ferrari, 1996. 3000 years of abundant hemlock in Upper Michigan.
Hemlock Ecology and Management: Proceedings of a Regional Conference on Ecology and Management of Eastern Hemlock, Sept. 27-28, 1995, Iron Mountain, Michigan. Univ. Wisconsin, Madison, Wisconsin., Mroz, G. and J. Martin (eds.), p. 19-27 - Abstract

1444. Davis, M. B., T. E. Parshall, and J. H. Ferrari, 1996. Landscape heterogeneity of hemlock-hardwood forest in northern Michinan.
Eastern Old-Growth Forest: Perospects for Rediscovery and Recovery. Island Press, Washington, D. C., Davis, M. B. (ed.), p. 291-304 - Abstract

1445. Davis, M. D. , 1996. Eastern Old-Growth Forests: Prospects for Rediscovery and Recovery.
Island Press, Washington, D.C. , p. 383pp - Abstract

1446. Davis, R., 1961. A mite, Allothrombium mitchelli, new to science, predator of the balsam woolly aphid., Vol. 63
Proc. Entomol. Soc. Wash., p. 269-272 - Abstract

1447. Davis, R. B. and G. L. Jacobson Jr., 1985. Late glacial and early Holocene landscapes in northern New England USA adjacent areas of Canada., Vol. 23
Quaternary Res., p. 341-368 - Abstract

1448. Davis, R. B., T. E. Bradstreet, R. Stuckenrath, Jr., and H. W. Borns, Jr., 1975. Vegetation and associated environments during the past 14,000 years near Moulton Pond, Maine., Vol. 5
Quaternary Research , p. 435-465 - Abstract

1449. Davis, T. C. , 1961. Etiology and Symptomatology of Hemlock Twig Rust Caused by Melampsora farlowii.
M. S. thesis, Virginia Polytechnic Institute and State Univ., p. 54pp - Abstract

1450. Davison, R. W., P. L. Lentz, and H. H. Mckay, 1960. The fungus causing pecky Cypress., Vol. 52
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1451. Dawson, A. F. , 1971. Balsam twig aphid (Mindarus abietinus) in British Columbia.
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1452. Day, F. P. Jr., 1974. Vegetation patterns on a Southern Appalachian watershed., Vol. 55
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1453. Day, F. P., Jr. and D. T. McGinty, 1975. Mineral cycling strategies of two deciduous and two evergreen tree species on a southern Appalachian watershed.
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1457. De Fluiter, H. J., 1934. Observations in Holland on Chermes cooleyi, the Douglas Fir Woolly Aphis., Vol. 1934
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1460. De Wulf, K. F.-H., 1995. Population Structure and Status of Isolated Hemlock (Tsuga canadensis) Patches in the Central Appalachian Region .
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1463. Deal, I., J. Grant, D. Palmer, R. Rhea, and P. L. Lambdin, 2006. Optimizing egg releases of Sasajiscymnus tsugae for biological control of the hemlock woolly adelgid, Adelges tsugae, in the southern Appalachians
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1464. Deal, J. A. and D. W. Gilmore, 1998. Effects of vertical structure and biogeoclimatic subzone on nesting locations for woodpeckers on north central Vancouver Island: nest tree attributes., Vol. 72
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1469. DeAngelis, J. D. , 1994. Aphid and adelgid pests of conifers in Oregon.
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1471. DeBach, P. and B. R. Bartlett, 1964. Methods of colonization, recovery and evaluation.
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1474. DeBell, D. S., E. H. Mallonee, J. T. Lin, and R. F. Strand, 1975. Fertilization of Western Hemlock: a summary of existing knowledge.
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1476. DeBoo, R. F. and J. A. Weidhaas Jr. , 1976. Plantation research; XIV. Studies on the predation of pine needle scale, Phenacaspis pinifoliae (Fitch), by the coccinellid, Chilocorus stigma (Say).
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1478. DeBoo, R. F., J. B. Dimond, and J. H. Lowe Jr., 1964. Impact of Pine leaf aphid, Pineus pinifoliae (Chermidae) on its secondary host, Eastern White Pine., Vol. 96
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1483. DeGraaf, R. M. and N. L. Chadwick, 1987. Forest type, timber size class, and New England breeding birds., Vol. 51
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1484. DeGraaf, R. M., D. P. Snyder, and B. J. Hill, 1991. Small mammal habitat associations in poletimber and sawtimber stands of four forest cover types., Vol. 46
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1805. Eschtruth, A. K., N. L. Cleavitt, J. J. Battles, R. A. Evans, and T. J. Fahey, 2006. Vegetation dynamics in declining eastern hemlock stands: 9 years of forest response to hemlock woolly adelgid infestation. , Vol. 36
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1811. Evans, A. , 2005. A randomized branch sampling method for hemlock woolly adelgid.
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1812. Evans, A. , 2005. An anisotrophic model of hemlock woolly adelgid spread.
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1813. Evans, A., 2004. Initial results in measuring hemlock woolly adelgid populations in trees and forests.
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1814. Evans, A. M. , 2008. Growth and infestation by hemlock woolly adelgid of two exotic hemlock species in a New England forest, Vol. 26
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1817. Evans, A.M., 2006. The distribution of hemlock woolly adelgid in trees, forest stands, and regions
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1818. Evans, A.M., 2006. The distribution of hemlock woolly adelgid in trees, forest stands, and regions
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1820. Evans, D. M., W. M. Aust, C. A .Dolloff, B. S. Templeton, J. A. Peterson, 2011. Eastern hemlock decline in riparian areas form Maine to Alabama, Vol. 28
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1821. Evans, D. M., W. M. Aust, C. A .Dolloff, B. S. Templeton, J. A. Peterson, 2011. Eastern hemlock decline in riparian areas form Maine to Alabama, Vol. 28
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1825. Evans, R. A. , 2003. Hemlock Ecosystems and Hemlock Woolly Adelgid at Delaware Water Gap National Recreation Area.
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1826. Evans, R. A., 2004. Hemlock woolly adelgid and the disintegration of eastern hemlock ecosystems., Vol. 22
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1828. Evans, R. A. , 2000. Draft Environmental Assessment for the release and establishment of Pseudoscymnus tsugae (Coleoptera: Coccinellidae) as a biological control agent for hemlock woolly adelgid (Adelges tsugae) at Delaware Water Gap National Recreation Adrea.
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1829. Evans, R. A., 2002. An ecosystem unraveling?
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Proceedings: Symposium on Sustainable Management of Hemlock Ecosystems in Eastern North America, June 22-24, 1999, Durham, NH, USDA For. Serv. Northeastern Research Station, Gen. Tech. Rep. NE-267, McManus, K. A., K. S. Shields, and D. R. Souto (eds.), p. 1-4 - Abstract
http://www.fs.fed.us/na/morgantown/hemlock_proceedings/p1.pdf

2027. Foster, D. R., 1988. Species and stand response to catastrophic wind in central New England, U.S.A., Vol. 76
J. Ecol., p. 135-151 - Abstract
http://harvardforest.fas.harvard.edu/publications/pdfs/Foster_JEcology_1988.pdf

2028. Foster, D. R., 2002. Insights from historical geography to ecology and conservation: lessons from the New England landscape., Vol. 29
J. Biogeography, p. 1269-1275 - Abstract
http://harvardforest.fas.harvard.edu/publications/pdfs/Foster_JBiogeography_2002_Insights.pdf

2029. Foster, D. R., 1992. Land-use history (1730-1990) and vegetation dynamics in central New England, USA., Vol. 80
J. Ecol., p. 753-772 - Abstract
http://harvardforest.fas.harvard.edu/publications/pdfs/Foster_JEcology_1992.pdf

2030. Foster, D. R. and E. R. Boose, 1992. Patterns of forest damage resulting from catastrophic wind in central New England, USA., Vol. 80
J. Ecol., p. 79-98 - Abstract
http://harvardforest.fas.harvard.edu/publications/pdfs/Foster_JEcology_1992_Patterns.pdf

2031. Foster, D. R. and G. Motzkin, 1998. Ecology and conservation in the cultural landscape of New England: lessons from nature's history., Vol. 5
Northeastern Naturalist, p. 111-126 - Abstract
http://harvardforest.fas.harvard.edu/publications/pdfs/Foster_NorthNaturalist_1998.pdf

2032. Foster, D. R. and J. F. O'Keefe , 2000. New England Forests Through Time: Insights from the Harvard Forest Diorama.
Harvard University Press, Cambridge, Mass.(Harvard Forest, Harvard University, Petersham, Mass.), p. 67pp - Abstract

2033. Foster, D. R. and T. M. Zebryk, 1993. Long-term vegetation dynamics and disturbance history of a Tsuga dominated forest in New England., Vol. 74
Ecology, p. 982-998 - Abstract

2034. Foster, D. R., D. A. Orwig, and J. S. McLachlan, 1996. Ecological and conservation insights from reconstructive studies of temperate old-growth forests., Vol. 11
Trends Ecol. Evol., p. 419-424 - Abstract

2035. Foster, D. R., G. Motzkin, and B. Slater, 1998. Land-use history as long-term broad-scale disturbance: regional forest dynamics in central New England., Vol. 1
Ecosystems, p. 96-119 - Abstract

2036. Foster, D. R., J. D. Aber, J. M. Melillo, R. D. Bowden, and F. A. Bazzaz , 1997. Forest response to disturbance and anthropogenic stress., Vol. 47
BioScience, p. 437-445 - Abstract

2037. Foster, D. R., S. Clayden, D. A. Orwig, B. Hall, and S. Barry, 2002. Oak, chestnut and fire: climatic and cultural controls of long-term forest dynamics in New England, USA., Vol. 29
J. Biogeography, p. 1359-1379 - Abstract
http://harvardforest.fas.harvard.edu/publications/pdfs/Foster_JBiogeography_2002_Oak.pdf

2038. Foster, D. R., T. Zebryk, S. Schoonmaker, and A. Lezberg, 1992. Post-settlement history of human land-use and vegetation dynamics of a Tsuga canadensis (hemlock) woodlot in central New England., Vol. 80
J. Ecol., p. 773-786 - Abstract

2039. Foster, D. R., W. W. Oswald, E. K. Faison, E. D. Doughty, and B. C. S Hansen, 2006. A climatic driver for abrupt mid-Holocene vegetation dynamics and the hemlock decline in New England., Vol. 87
Ecology, p. 2959-2966 - Abstract

2040. Foster, R. E. and A. T. Foster, 1951. Studies in forest pathology. VIII. Decay of Western Hemlock on the Queen Charlotte Islands, British Columbia., Vol. 29
p. 479-521 - Abstract

2041. Foster, R. E. and D. R. Hurn, 1949. A preliminary report on deterioration in the Western Hemlock/Douglas Fir type on Lower Vancouver Island following attack by the Western Hemlock looper (Lambdina F. lugubrosa Lepidoptera, Geometridae)., Vol. 25
For. Chron., p. 202-204 - Abstract

2042. Foster, R. E., G. P. Thomas, and J. E. Browne, 1953. A tree decadence classification for mature coniferous stands., Vol. 29
For. Chron., p. 359-366 - Abstract

2043. Foulger, A. N., 1968. Effect of aphid infestation on properties of Grand Fir., Vol. 18
For. Prod. J. , p. 43-47 - Abstract

2044. Fowells, H. A., 1965. Silvics of forest trees of the United States.
USDA Agric. Handbook, No. 271, p. 271pp - Abstract

2045. Fowler, G., 1999. The Potential of Juvabione as a Host Resistance Mechanism Against the Balsam Woolly Adelgid (Adelges piceae [Ratzeburg])
Ph. D. dissertation, North Carolina State Univ., p. 118pp - Abstract

2046. Fowler, G. A. and F. P. Hain, 1997. Effect of topically applied juvabione on balsam woolly adelgid fecundity and eclosion.
1997 Annual Meeting of the Entomological Society of America, Nashville, TN (USA), 14-18 Dec 1997, Abstract

2047. Fowler, G., J. Zhang, F. P. Hain, and J. Manville, 2001. The distribution pattern of two juvenile hormone related compounds in Fraser fir and the induced response to a balsam woolly adelgid infestation., Vol. 31
Can. J. For. Res. , p. 1701-1707 - Abstract

2048. Fowler, J. A., 1957. Hemlock on the Coastal Plain of Maryland., Vol. 12
Atlantic Nat. , p. 232-234 - Abstract

2049. Fowler, M. E., 1941. Prevent tanbark from spoiling.
USDA Bureau of Plant Industry, p. 2pp - Abstract

2050. Fowler, M. E., 1943. Studies on deterioration of tanbark. With discussion., Vol. 38
J. Amer. Leather Chem. Ass., p. 400-412 - Abstract

2051. Fowler, R. F., L. F. Wilson, and D. M. Paananen, 1983. Insect suppression in eastern region national forests: 1930-1980.
USDA For. Serv. Gen. Tech. Rep. NC-103, p. 56pp. - Abstract

2052. Fowler, V. W. and R. Gair, 1956. Notes on the biology and chemical control of the spruce pineapple gall Adelges., Vol. 81
J. Royal Hort. Soc., p. 29-36 - Abstract

2053. Fownes, J. H. and R. A. Harrington , 2004. Seedling response to gaps: separating effects of light and nitrogen., Vol. 203
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2054. Fracker, S. B., 1925. Hemlocks attacked by a little-known Geometrid., Vol. 18
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2055. Fracker, S. B. and A. A. Granovsky, 1927. The control of the hemlock spanworm by airplane dusting., Vol. 20
J. Econ. Entomol., p. 287-295 - Abstract

2056. Fracker, S. B. and A. A. Granovsky, 1928. Airplane Dusting to Control the Hemlock Spanworm. , Vol. 26
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2057. Fralish, J. S. and S. B. Franklin, 2002. Taxonomy and ecology of woody plants in North American forests (excluding Mexico and subtropical Florida).
Wiley, New York, p. 612pp - Abstract

2058. Frampton, J. and D. M. Benson, 2004. Phytophthora root rot mortality in fraser fir seedlings., Vol. 39
HortScience, p. 1025-1026 - Abstract

2059. Francardi, V. and J. de Silva, 2000. On Dreyfusia piceae (Ratz.) and its cecidomyiid predators in buds of Abies alba emptied by Epinotia nigricana (H.S.) larvae (Adelgidae Cecidomyiidae Tortricidae)., Vol. 83
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2060. Francardi, V., J. de Silva, and A. Leccese, 2000. Cecidomyiid predators on Dreyfusia piceae (Ratz.) (Aphidoidea Adelgidae) on silver fir., Vol. 82
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2061. Francia, F. C. and K. Graham, 1967. Aspects of orientation behavior in the ambrosia beetle Trypodendrun lincatum (Olivier)., Vol. 47
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2062. Francis, D., B. B. Wolfe, J. Fuller, and D. Foster, 2002. Is there a Little Ice Age signal in New England lake sediments?, Vol. 34
Geological Society of America, Northeastern Section, 37th Annual Meeting, Springfield, MA, United States, March 25-27, 2002, p. 23 - Abstract

2063. Francke-Grosmann, H., 1950. An outbreak of Gilletteella (Chermes) galls on Sitka Spruce., Vol. 23
Anz. Schadlingsk, p. 3-6 - Abstract

2064. Francke-Grosmann, H., 1937. A Contribution to the Knowledge of the Injury done by Aphids to Silver Fir., Vol. 88
Tharandt. forstl. Jb., p. 1050-1082 - Abstract

2065. Francke-Grosmann, H., 1939. Chermes piceae on foreign Silver Firs., Vol. 89
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2066. Francke-Grosmann, H., 1937. Ecology and injurious Action of Chermes (Adelges) prelli, Grosmann., Vol. 47
Z. PflKrankh., p. 497-516 - Abstract

2067. Francke-Grosmann, H., 1938. Notes on the Morphology and Biology of Chermes cembrae, Cholod., Vol. 89
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2068. Francke-Grosmann, H., 1937. The Morphology of the Silver Fir Aphid, Chermes prelli, and of its Gall on P. orientalis., Vol. 47
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2069. Francke-Grosmann, H., 1935. On a new Aphid of Silver Fir., Vol. 86
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2070. Francke-Grosmann, H., 1963. Observations on injuries and injurious agents in Pinus radiata plantations near Valparaiso., Vol. 51
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2071. Francke-Grosmann, H., 1954. Pests and diseases of Sitka Spruce in north German habitats., Vol. 9
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2072. Frank, D. C. , 1998. Dendroclimatic investigation of Tsuga Mertensiana using reflected-light analysis, Yakutat, Alaska.
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2073. Frank, J. H. and J. L. Fotlz, 1997. Classical biological control of pests of trees in the southern United States: a review and recommendations.
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2074. Frank, R. M., 1990. Abies balsamea (L.) Mill. Balsam Fir
Silvics of North America. Volume 1. Conifers. USDA For Serv. Agric. Handbook No. 654. Washington, DC, Burns, R. M. and B. H. Honkala (technical coordinators), p. 26-35 - Abstract
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2075. Frank, R. M., 1977. Indications of silvicultural potential from long-term experiments in spruce-fir types.
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2076. Frank, S. D. and A. Lebude, 2011. Season-long insecticide efficacy for hemlock woolly adelgid, Adelges tsugae (Hemiptera: Adelgdiade), management in nurseries, Vol. 94
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2077. Frankenhuyzen, K. van, R. Milne, R. Brousseau, and L. Masson, 1992. Comparative toxicity of the HD-1 and NRD-12 strains of Bacillus thuringiensis subsp. kurstaki to defoliating forest Lepidoptera., Vol. 59
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2078. Frankis, M. P., 1988. Generic inter-relationships in Pinaceae., Vol. 45
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2079. Franklin, J. F. , 1990. Abies procera Rehd., Noble Fir.
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2080. Franklin, J. F. , 1962. Mountain Hemlock: A bibliography with abstracts.
USDA For. Serv. Pacif. Nthwest. For. Range Exp. Sta. Res. Pap. No. 51, p. 50pp - Abstract

2081. Franklin, J. F. , 1964. Color of immature cones of several Pacific northwest conifers., Vol. 10
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2082. Franklin, J. F. and D. S. DeBell, 1988. Thirty-six years of tree population change in an old-growth Pseudotsuga-Tsuga forest., Vol. 18
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2083. Franklin, J. F. and R. G. Mitchell, 1967. Successional status of Subalpine Fir in the Cascade Range.
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2084. Franklin, J. F., W. H. Moir, M. A. Hemstrom, S. E. Greene, and B. G. Smith, 1988. The forest communities of Mount Rainier National Park.
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2085. Franklin, S. E. and J. E. Luther, 1995. Satellite remote sensing of balsam fir forest structure, growth and cumulative defoliation., Vol. 21
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2086. Franklin, S. E., W. W. Bowers, and G. Ghitter, 1995. Discrimination of adelgid-damage on single balsam fir trees with aerial remote sensing data., Vol. 16
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2087. Franz, J., 1956. Natural enemies and host plants as biocoenotic factors in epidemics of Adelges piceae.
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2088. Franz, J. M., 1958. The effectiveness of predators and food in limiting gradations of Adelges (Dreyfusia) piceae (Ratz.) in Europe.
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2089. Franz, J. M., 1958. Studies on Laricobius erichsonii Rosenh. (Coleoptera: Derodontidae) a predator on chermesids. Part II. External anatomy., Vol. 3
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2090. Franz, J. M., 1953. Laricobius erichsonii, predacious on Chermes. (Laricobius erichsoni Rosenhauer (Col. Derodontidae) ein Rauber en Chermesiden.), Vol. 60
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2091. Franz, J. M., 1958. Studies on Laricobius erichsonii Rosenh. (Coleoptera: Derodontidae) a predator on chermesids. Part I. Distribution, life-history and ecology., Vol. 3
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2092. Franz, J. M., 1955. Adelges piceae under a fungus cover of Cucurbitaria pithyophila with observations on Aphidoletes thompsoni and Rabocerus mutilatus as predators of A. piceae., Vol. 62
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2093. Fraser, H. S. and E. P. Swan, 1989. Phenolic character of sequential solvent extracts from western hemlock and white spruce barks., Vol. 9
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2096. Frazer, G. W., J. A. Trofymow, and K. P. Lertzman, 2000. Canopy openness and leaf area in chronosequences of coastal temperate rainforests., Vol. 30
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2097. Frazer, G. W., R. A. Fournier, J. A. Trofymow, and R. J. Hall, 2001. A comparison of digital and film fisheye photography for analysis of forest canopy structure and gap light transmission., Vol. 109
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2098. Frazer, G., K. P. Lertzman, and J. A. Trofymow, 1989. Developmental trends of canopy structure in coastal forests of British Columbia., Vol. 72
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2100. Freeman, T. N. , 1972. The coniferous feeding species of Argyresthia in Canada (Lepidoptera : Yponomeutidae)., Vol. 104
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2101. Freeman, T. N., 1967. Annotated keys to some nearctic leaf-mining Lepidoptera on conifers., Vol. 99
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2102. Freer, R. S., 1936. The Carolina hemlock (Tsuga caroliniana Engelm.) in Virginia., Vol. July
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2103. Frelich, L. E., 1986. Natural Disturbance Frequencies in the Hemlock-Hardwood Forests of the Upper Great Lakes Region.
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2104. Frelich, L. E. and C. G. Lorimer, 1991. Natural disturbance regimes in hemlock-hardwood forests of the Upper Great Lakes region., Vol. 61
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2105. Frelich, L. E. and C. G. Lorimer, 1985. Current and predicted long-term effects of deer browsing in hemlock forests in Michigan, USA., Vol. 34
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2109. Friedland, J. G., R. L. Boyce, C. B. Vostral, and G. T. Herrick, 2003. Winter and early spring microclimate within a mid-elevation conifer forest canopy.
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2110. Friend, R. B., 1940. Eastern spruce gall aphid (Adelges abietis (L.))
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2111. Friend, R. B. , 1927. The spruce gall aphid (Adelges, abietis L.) and its control.
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2112. Friend, R. B. and B. H. Wilford, 1933. The spruce gall aphid as a forest pest., Vol. 31
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2113. Fries, J., H. Wright, H. Madgewick, H. E. Young, and M. Vyskot, 1981. Congress Group 4.1: Mensuration, growth and yield.
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2114. Friesner, R. C. and J. E. Potzger, 1934. Climax conditions and the ecological status of Pinus strobus, Taxus canadensis and Tsuga canadensis in the Pine Hills region of Indiana., Vol. 3
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2116. Friesner, R. C. and J. E. Potzger, 1931. Studies in forest ecology. I. Factors concerned in hemlock reproduction in Indiana., Vol. 2
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2117. Friesner, R. C. and J. E. Potzger, 1936. Soil moisture and the nature of the Tsuga and Tsuga-Pinus forest associations in Indiana., Vol. 6
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2118. Friesner, R. C. and J. E. Potzger, 1944. Survival of hemlock seedlings in a relict colony under forest conditions., Vol. 6
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2119. Frisbie, M. P. and R. L. Wyman, 1995. A field simulation of the effect of acidic rain on ion balance in a woodland salamander., Vol. 28
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2120. Frisbie, M. P. and R. L. Wyman, 1992. The effect of soil chemistry on sodium balance in the red-backed salamander: a comparison of two forest types., Vol. 26
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2121. Frolowa, S., 1925. Die Ei-und Samenrefe bei Chermes strobilobius und Chermes pectinata., Vol. 1
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2123. Frothingham, E. H., 1915. The Eastern Hemlock. (Tsuga canadensis (Linn.) Carr.).
USDA Bulletin No. 152, p. 43pp - Abstract

2124. Fry, D. J. and I. D. J. Phillips, 1977. Photosynthesis of conifers in relation to annual growth cycles and dry matter production. II. Seasonal photosynthetic capacity and mesophyll ultrastructure in Abies grandis, Picea sitchensis, Tsuga heterophylla and Larix leptolepis growing in S.W. England, Vol. 40
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2125. Fuchs, G. , 1927. On the Injury by Chermes nusslini in Stands of Silver Fir in Baden., Vol. 37
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2126. Fujimori, T. , 1971. Analysis of forest canopy on the basis of a Tsuga heterophylla forest., Vol. 21
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2127. Fujimori, T. , 1971. Primary productivity of a young Tsuga heterophylla stand and some speculations about biomass of forest communities on the Oregon coast.
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2129. Fujimoto, K. and Y. Yamamoto, 1987. Change in the stand structure of a natural fir-hemlock-hardwood secondary mixed stand in the Ehime University Forest. (I) Development of the growing-stock of the main stand from 1968 to 1980. (Analysis from the viewpoint of management by the check method)
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2132. Fuller, J. L. , 1996. The ecological impact of the mid-Holocene hemlock decline in southern Ontario, Canada.
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2134. Fuller, J., D. Francis, D. R. Foster, S. Barry, D. Köester, R. Pienitz, B. Wolfe, E. Doughty, D. MacDonald, S. Clayden and N. Drake , 2001. Recent Climate Reconstruction in New England Forests
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2135. Fuller, T. L., D. R. Foster, T. S. McLachlan, and N. Drake , 1998. Impact of human activity on regional forest composition and dynamics in central New England., Vol. 1
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2136. Funk, A, 1986. A new species of Ciboria on hemlock needles., Vol. 86
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2137. Funk, A. , 1966. Ascoconidium tsugae n. sp. associated with bark diseases of Western Hemlock in British Columbia., Vol. 44
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2138. Funk, A. , 1964. Botryosphaeria tsugae n. sp., causing dieback of Western Hemlock in British Columbia., Vol. 42
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2139. Funk, A., 1978. Two new species of Encoelioideae (Helotiales) on western hemlock., Vol. 56
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2140. Funk, A. , 1982. Vanterpoolia, a new genus of sporodochial hyphomycetes., Vol. 60
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2141. Funk, A. , 1975. Sageria, a new genus of Helotiales., Vol. 53
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2142. Funk, A. , 1980. New Therrya species parasitic on western conifers., Vol. 58
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2143. Funk, A., 1964. Extension of the host ranges and distribution of Caliciopsis species on western conifers., Vol. 48
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2144. Funk, A., 1973. Phomopsis (Diaporthe) canker of Douglas-Fir in British Columbia.
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2145. Funk, A. , 1965. A new inoculation technique for use with canker-producing fungi., Vol. 43
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2146. Funk, A. , 1973. Some mycoparasites of western bark fungi., Vol. 51
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2147. Funk, A., 1967. Coccomyces heterophyllae n.sp., a hypodennataceous fungus from the periderm of Western Hemlock., Vol. 45
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2148. Furniss, R. L. , 1939. Insects attacking Forest Products and Shade Trees in Washington and Oregon in 1937., Vol. 1939
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2154. Furuno, T. , 1988. Anatomical features of North American softwoods.
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2155. Furuno, T. , 1986. Investigation on the productivity of Japanese fir (Abies firma Sieb. et Zucc.) and hemlock (Tsuga sieboldii Carr.) stands in Kyoto University Forest in Wakayama (VIII) Litterfall and its fluctuations in the mixed fir and hemlock stand over thirteen years.
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2160. Gabrid, N. V., 1984. The spruce pest Pineus pineoides Chol. in the Issyk-Kul basin area.
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2161. Gabrid, N. V. , 1981. A contribution to the biology of Adelges lapponicus Chol. - the early pine aphid.
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2170. Gambles, R. L. and N. G. Dengler, 1974. The leaf anatomy of Hemlock, Tsuga canadensis., Vol. 52
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2173. Gambrell, F. L., 1934. Control of the Spruce Gall Aphid in Nursery Plantings.
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http://ncrs.fs.fed.us/pubs/gtr/g