The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.

References

  • 1. A. D. Revill Associates. 1978. Ecological eff. of fire and its mgmt. in Canada's national parks: a synthesis of the literature. Vols 1&2. Lit. Rev. & Annot. Bibliography. Ottawa, ON: Parks Canada, National Parks Branch, Natural Resources Division. 345 p. [3416]
  • 10. Bones, James T. 1978. The forest resources of West Virginia. Upper Darby, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. [Pages unknown]
  • 11. Bormann, F. H.; Siccama, T. G.; Likens, G. E.; Whittaker, R. H. 1970. The Hubbard Brook ecosystem study: composition and dynamics of the tree stratum. Ecological Monographs. 40(4): 373-388. [21173]
  • 12. Chandler, Robert F.; Jr. 1943. Amount and mineral nutrient content of freshly fallen needle litter of some northeastern conifers. Proceedings, Soil Science of America Society. 8: 409-411. [21599]
  • 13. Core, Earl L. 1929. Plant ecology of Spruce Mountain, West Virginia. Ecology. 10(1): 1-13. [9218]
  • 14. Crandall, Dorothy L. 1958. Ground vegetation patterns of the spruce-fir area of the Great Smoky Mountains National Park. Ecological Monographs. 28(4): 337-360. [11226]
  • 15. Crawford, Hewlette S.; Titterington, Richard W. 1979. Effects of silvicultural practices on bird communities in upland spruce- fir stands. In: DeGraaf, Richard M.; Evans, Keith E., compilers. Management of north central and northeastern forests for nongame birds: Proceeding of the workshop; 1979 January 23-25; Minneapolis, MN. Gen. Tech. Rep. NC-51. St. Paul, MN: U.S. Department of Agriculture, Forest Service, North Central Forest Experiment Station: 110-119. [18083]
  • 16. Davis, Ronald B. 1966. Spruce-fir forests of the coast of Maine. Ecological Monographs. 36(2): 79-94. [8228]
  • 17. Davis, William C. 1991. The role of advace growth in regeneration of red spruce and balsam fir in east central Maine. In: Simpson, C. M, ed. Proceedings of the conference on natural regeneration management; 1990 March 27-28; Fredericton, NB. Fredericton, NB: Forestry Canada, Maritimes Region: 157-168. [17197]
  • 18. Day, Gordon M. 1953. The Indian as an ecological factor in the northeastern forest. Ecology. 34(2): 329-346. [15744]
  • 19. DeHayes, D. H.; Waite, C. E.; Ingle, M. A.; Williams, M. W. 1990. Winter injury susceptibility and cold tolerance of current and year-old needles of red spruce trees from several provenances. Forest Science. 36(4): 982-994. [13608]
  • 2. Abbott, Herschel G. 1962. Tree seed preferences of mice and voles in the Northeast. Journal of Forestry. 60: 97-99. [20402]
  • 20. Eyre, F. H., ed. 1980. Forest cover types of the United States and Canada. Washington, DC: Society of American Foresters. 148 p. [905]
  • 21. Flieger, B. W. 1971. Forest fire and insects: the relations of fire to insect outbreak. In: Proceedings, annual Tall Timbers fire ecology conference; 1970 August 20-21; Fredericton, NB. No. 10. Fredericton, NB: Tall Timbers Research Station: 107-114. [18936]
  • 22. Frank, Robert M.; Bjorkbom, John C. 1973. A silvicultural guide for spruce-fir in the northeast. NE-6. Upper Darby, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 29 p. [8686]
  • 23. Frank, Robert M.; Blum, Barton M. 1978. The selection system of silviculture in spruce-fir stands--procedures, early results, and comparisons with unmanaged stands. Res. Pap. NE-425. Upper Darby, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 15 p. [8772]
  • 24. Freeman, Duane R.; Loomis, Robert M.; Roussopoulos, Peter J. 1982. Handbook for predicting slash weight in the Northeast. Gen. Tech. Rep. NC-75. St. Paul, MN: U.S. Department of Agriculture, Forest Service, North Central Forest Experiment Station. 23 p. [18582]
  • 25. Furyaev, V. V.; Wein, Ross W.; MacLean, David A. 1983. Fire influences in Abies-dominated forests. In: Wein, Ross W.; MacLean, David A., eds. The role of fire in northern circumpolar ecosystems. Scope 18. Chichester; New York: John Wiley & Sons: 221-234. [14610]
  • 27. Govindaraju, Diddahally R. 1988. Life histories, neighbourhood sizes, and variance structure in some North American conifers. Biological Journal of the Linnean Society. 35: 69-78. [9760]
  • 29. Hart, Arthur C. 1959. Silvical characteristics of red spruce. Paper No. 124. Durham, NH: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 18 p. [21152]
  • 3. Adams, Harold S.; Stephenson, Steven L. 1989. Old-growth red spruce communities in the mid-Appalachians. Vegetatio. 85: 45-56. [11409]
  • 30. Hawksworth, F. G.; Shigo, A. L. 1980. Dwarf mistletoe on red spruce in the White Mountains of New Hampshire. Plant Disease. 64(9): 880-882. [21149]
  • 31. Heimburger, Carl C. 1934. Forest-type studies in the Adirondack Region. Memoir 165. Ithaca, NY: Cornell University, Agricultural Experiment Station. 122 p. [21495]
  • 32. Heinselman, Miron L. 1981. Fire intensity and frequency as factors in the distribution and structure of northern ecosystems. In: Mooney, H. A.; Bonnicksen, T. M.; Christensen, N. L.; [and others]
  • 33. Hills, G. A. 1952. The classification and evaluation of site for forestry. Res. Rep. No. 24. Toronto, ON: Ontario Department of Lands and Forests, Division of Research. 41 p. [21494]
  • 34. Hills, G. A. 1954. Field methods for investigating site: A. The detailed site description form. (Part IV of Bulletin "The forest sites of Ontario). Site Research Manual No. 4. Toronto, ON: Department of Lands and Forests, Research Division. 104 p. [21889]
  • 35. Hornbeck, J. W.; Smith, C. T.; Martin, Q. W.; [and others]
  • 36. Johnson, Arthur H.; McLaughlin, Samuel B. 1986. The nature and timing of the deterioration of red spruce in the northern Appalachian Mountains. In: Acid deposition: long term trends. [Place of publication unknown]
  • 38. Klein, Richard M.; Perkins, Timothy D.; Tricou, Jeffery; [and others]
  • 39. Korstian, Clarence F. 1937. Perpetuation of spruce on cut-over and burned lands in the higher Southern Appalachian Mountains. Ecological Monographs. 7(1): 125-167. [11233]
  • 4. Alexander, Martin E. 1984. Prescribed fire behavior and impact in an eastern spruce-fir slash fuel complex. Canadian Forestry Service Research Notes. 4(1): 3-10. [8661]
  • 41. LeBlanc, David C.; Raynal, Dudley J.; White, Edwin H.; Ketchledge, Edwin H. 1987. Characterization of historical growth patterns in declining red spruce trees. In: Jacoby, G. C., Jr.; Hornbeck, J. W., eds. International symposium on ecological aspects of tree-ring analysis; [Date of conference unknown]
  • 42. LeBlanc, David C.; Raynal, Dudley J. 1990. Red spruce decline on Whiteface Mountain, New York. II. Relationships between apical and radial growth decline. Canadian Journal of Forest Research. 20(9): 1415-1421. [13609]
  • 44. Leak, William B. 1991. Secondary forest succession in New Hampshire, USA. Forest Ecology and Management. 43: 69-86. [16683]
  • 47. Leopold, Donald J.; Reschke, Carol; Smith, Daniel S. 1988. Old-growth forests of Adirondack Park, New York. Natural Areas Journal. 8(3): 166-189. [13998]
  • 48. Little, Elbert L., Jr. 1979. Checklist of United States trees (native and naturalized). Agric. Handb. 541. Washington, DC: U.S. Department of Agriculture, Forest Service. 375 p. [2952]
  • 49. Little, Silas. 1974. Effects of fire on temperate forests: northeastern United States. In: Kozlowski, T. T.; Ahlgren, C. E., eds. Fire and ecosystems. New York: Academic Press: 225-250. [9859]
  • 5. Fay, Stephen C.; Alvis, Richard. 1993. White Mountain landscapes. Laconia, NH: U.S. Department of Agriculture, Forest Service, Region 9, White Mountain National Forest. 76 p. Working draft. [21663]
  • 51. Lorimer, Craig G. 1977. The presettlement forest and natural disturbance cycle of northeastern Maine. Ecology. 58: 139-148. [9711]
  • 52. Lorimer, Craig G. 1980. The use of land survey records in estimating presettlement fire frequency. In: Stokes, Marvin A.; Dieterich, John H., technical coordinators. Proceedings of the fire history workshop; 1980 October 20-24; Tucson, AZ. Gen. Tech. Rep. RM-81. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station: 57-62. [16043]
  • 53. Loucks, O. L. 1959. A forest classification for the Maritime Provinces. Proceedings, Nova Scotian Institute on Science. 25: 86-167. [15408]
  • 54. Martin, J. Lynton. 1956. An ecological survey of burned-over forest land in southwestern Nova Scotia. Forestry Chronicle. 32: 313-336. [8932]
  • 55. McIntosh, R. P.; Hurley, R. T. 1964. The spruce-fir forest of the Catskill Mountains. Ecology. 45(2): 314-326. [14886]
  • 56. Meyer, Walter H. 1929. Yields of second-growth spruce and fir in the Northeast. Tech. Bull. No. 142. Washington, DC: U.S. Department of Agriculture. 52 p. [21142]
  • 57. Moore, Barrington. 1917. Some factors influencing the reproduction of red spruce, balsam fir, and white pine. Journal of Forestry. 15(7): 827-853. [14402]
  • 58. Moore, Barrington. 1922. Humus and root systems in certain northeastern forests in relation to reproduction and competition. Journal of Forestry. 20: 233-254. [21731]
  • 59. Oosting, H. J.; Billings, W. D. 1951. A comparison of virgin spruce-fir forest in the northern and southern Appalachian system. Ecology. 32(1): 84-103. [11236]
  • 6. Benzie, John W.; Blum, Barton M. 1989. Silviculture of northeastern conifers. In: Burns, Russell M., compiler. The scientific basis for silvicultural and management decisions in the National Forest System. Gen. Tech. Rep. WO-55. Washington, DC: U.S. Department of Agriculture, Forest Service: 18-30. [10243]
  • 60. Patterson, William A., III; Saunders, Karen E.; Horton, L. J. 1983. Fire regimes of the coastal Maine forests of Acadia National Park. OSS 83-3. Boston, MA: U.S. Department of the Interior, National Park Service, North Atlantic Region, Office of Scientific Studies. 259 p. In cooperation with: U.S. Department of Agriculture, Forest Service, State and Private Forestry, Broomall, PA. [21108]
  • 61. Patterson, William A., III; Saunders, Karen E.; Horton, L. J.; Foley, Mary K. 1985. Fire management options for coastal New England forest: Acadia National Park and Cape Cod National Seashore. In: Lotan, James E.; Kilgore, Bruce M.; Fischer, William C.; Mutch, Robert W., technical coordinators. Proceedings--symposium and workshop on wilderness fire;1983 November 15-18; Missoula, MT. Gen. Tech. Rep. INT-182. Ogden, UT: U.S. Department of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station: 360-365. [10236]
  • 62. Pielou, E. C. 1988. The world of northern evergreens. Ithaca, NY: Cornell University Press. 174 p. [9362]
  • 63. Place, I. C. M. 1955. The influence of seed-bed conditions on the regeneration of spruce and balsam fir. Bulletin 117. Ottawa, Canada: Department of Northern Affairs and National Resources, Forestry Branch, Forest Research Division. 87 p. [14274]
  • 64. Radford, Albert E.; Ahles, Harry E.; Bell, C. Ritchie. 1968. Manual of the vascular flora of the Carolinas. Chapel Hill, NC: The University of North Carolina Press. 1183 p. [7606]
  • 65. Randall, Arthur G. 1976. Natural regeneration in two spruce-fir clearcuts in eastern Maine. Research Life Sciences. [University of Maine]
  • 67. Reiners, William A,; Lang, Gerald E. 1979. Vegetational patterns and processes in the balsam fir zone, White Mountains, New Hampshire. Ecology. 60(2): 403-417. [14869]
  • 68. Roman, John Ross. 1980. Vegetation-environment relationships in virgin, middle elevation forests in the Adirondack Mountains, New York. Syracuse, NY: State University of New York. PhD. Dissertation. Dissertation Abstracts International. 41(3): 807-B. [21154]
  • 7. Blum, Barton M. 1977. Animal damage to young spruce and fir in Maine. Res. Note NE-321. Upper Darby, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 4 p. [13653]
  • 71. Reschke, Carol. 1990. Ecological communities of New York State. Latham, NY: New York State Department of Environmental Conservation, New York Natural Heritage Program. 96 p. [21441]
  • 72. Safford, L. O. 1974. Picea A. Dietr. spruce. In: Schopmeyer, C. S., ed. Seeds of woody plants in the United States. Agric. Handb. 450. Washington, DC: U.S. Department of Agriculture, Forest Service: 587-597. [7728]
  • 73. Saunders, Paul Richard. 1979. The vegetational impact of human distubance on the spurce-fir forests of the southern Appalachian Mountains. Durham, NC: Duke University. 188 p. Dissertation. [21409]
  • 74. Saunders, Paul R.; Smathers, Garrett A.; Ramseur, George S. 1983. Secondary succession of a spruce-fir burn in the Plott Balsam Mountains, North Carolina. Castanea. 48(1): 41-47. [8658]
  • 75. Shirley, Hardy L. 1943. Is tolerance the capacity to endure shade?. Journal of Forestry. 41: 339-345. [21147]
  • 76. Starker, T. J. 1934. Fire resistance in the forest. Journal of Forestry. 32: 462-467. [82]
  • 78. Telfer, Edmund S. 1972. Browse selection by deer and hares. Journal of Wildlife Management. 36(4): 1344-1349. [12455]
  • 79. Trimble, George R., Jr.; Patric, James H.; Gill, John D.; [and others]
  • 8. Blum, Barton M. 1988. Variation in the phenology of bud flushing in white and red spruce. Canadian Journal of Forest Research. 18: 315-319. [8662]
  • 81. Vezina, P. E.; Pech, Gy. 1964. Solar radiation beneath conifer canopies in relation to crown closure. Forest Science. 10(4): 443-451. [21148]
  • 82. Vogel, Willis G. 1981. A guide for revegetating coal minesoils in the eastern United States. Gen. Tech. Rep. NE-68. Broomall, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 190 p. [15575]
  • 84. Wein, Ross W.; Moore, Janice M. 1979. Fire history and recent fire rotation periods in the Nova Scotia Acadian Forest. Canadian Journal of Forest Research. 9: 166-178. [9705]
  • 85. Weiss, Melvyn J.; McCreery, Lew R.; Millers, Imants; [and others]
  • 87. Wright, Henry A.; Bailey, Arthur W. 1982. Fire ecology: United States and southern Canada. New York: John Wiley & Sons. 501 p. [2620]
  • 9. Blum, Barton M. 1990. Picea rubens Sarg. red spruce. In: Burns, Russell M.; Honkala, Barbara H., technical coordinators. Silvics of North America. Volume 1. Conifers. Agric. Handb. 654. Washington, DC: U.S. Department of Agriculture, Forest Service: 250-259. [13388]
  • Anonymous. 1986. List-Based Rec., Soil Conserv. Serv., U.S.D.A. Database of the U.S.D.A., Beltsville.   http://www.tropicos.org/Reference/1103 External link.
  • Bean, W.J. 1980. Trees and shrubs hardy in the British Isles, ed. 8, Vols. 1-4. John Murray, London
  • Blum, B.M. 1990. Picea rubens Sarg., Red Spruce. In Burns, Russell M., and Barbara H. Honkala, tech. coords. 1990. Silvics of North America: Vol. 1. Conifers. Agriculture Handbook 654. U.S. Department of Agriculture, Forest Service, Washington, DC. Available online from http://na.fs.fed.us/spfo/pubs/silvics_manual/Volume_1/picea/rubens.htm..
  • Burns, Russell M., and Barbara H. Honkala, technical coordinators. 1990. Silvics of North America: 1. Conifers; 2. Hardwoods.   Agriculture Handbook 654 (Supersedes Agriculture Handbook 271,Silvics of Forest Trees of the United States, 1965).   U.S. Department of Agriculture, Forest Service, Washington, DC. vol.2, 877 pp.   http://www.na.fs.fed.us/spfo/pubs/silvics_manual/table_of_contents.htm External link.
  • Farjon A. (2013). Conifer Database (version Jul 2011). In: Species 2000 & ITIS Catalogue of Life, 11th March 2013 (Roskov Y., Kunze T., Paglinawan L., Orrell T., Nicolson D., Culham A., Bailly N., Kirk P., Bourgoin T., Baillargeon G., Hernandez F., De Wever A., eds). Digital resource at www.catalogueoflife.org/col/. Species 2000: Reading, UK.
  • Farjon, A. 1990. Pinaceae. [Regnum Vegetabile Vol. 121]. Koeltz Scientific Books, Königstein
  • Fernald, M. 1950. Manual (ed. 8) i–lxiv, 1–1632. American Book Co., New York.   http://www.tropicos.org/Reference/1327 External link.
  • Flora of North America Editorial Committee, e. 1993. Pteridophytes and Gymnosperms. 2: i–xvi, 1–475. In Fl. N. Amer. Oxford University Press, New York.   http://www.tropicos.org/Reference/10884 External link.
  • Gleason, H. A. & A. J. Cronquist. 1968. The Pteridophytoa, Gymnospermae and Monocotyledoneae. 1: 1–482. In H. A. Gleason Ill. Fl. N. U.S. (ed. 3). New York Botanical Garden, New York.   http://www.tropicos.org/Reference/1495 External link.
  • Image metadata at Bioimages (http://bioimages.vanderbilt.edu/)   http://bioimages.vanderbilt.edu/baskauf/00000 External link.
  • Marticorena C & R Rodríguez . 1995-2005. Flora de Chile. Vols 1, 2(1-3). Ed. Universidad de Concepción, Concepción. 351 pp., 99 pp., 93 pp., 128 pp. Matthei O. 1995. Manual de las malezas que crecen en Chile. Alfabeta Impresores. 545 p.
  • Radford, A. E., H. E. Ahles & C. R. Bell. 1968. Man. Vasc. Fl. Carolinas i–lxi, 1–1183. University of North Carolina Press, Chapel Hill.   http://www.tropicos.org/Reference/636 External link.
  • Sarg. 1899. In: Silva N. Amer. 12: 33.
  • Scoggan, H. J. 1978 [1979]. Pteridophyta, Gymnospermae, Monocotyledoneae. 2: 93–545. In Fl. Canada. National Museums of Canada, Ottawa.   http://www.tropicos.org/Reference/1482 External link.
  • Small, J. K. 1933. Man. S.E. Fl. i–xxii, 1–1554. Published by the Author, New York.   http://www.tropicos.org/Reference/1515 External link.
  •    
       
    1. Abbott, Herschel G., and Arthur C. Hart. 1960. Mice and voles prefer  spruce seeds. USDA Forest Service, Station Paper 153. Northeastern  Forest Experiment Station, Upper Darby, PA. 12 p.
    2.  
    3. Blum, Barton M. 1977. Animal damage to young spruce and fir in  Maine. USDA Forest Service, Research Note NE-231. Northeastern Forest  Experiment Station, Broomall, PA. 4 p.
    4.  
    5. Blum, Barton M. 1988. Variation in the phenology of bud flushing in  white and red spruce. Canadian Journal of Forest Research 18:315-319. 
    6.  
    7. Blum, Barton M., David A. McLean. 1984. Chapter 6: Silviculture,  forest management, and the spruce budworm. p. 83-101. In Schmitt, Daniel  M.; David G. Grimble, and Janet L. Searcy, tech. coords. Managing the  spruce budworm in eastern North America. U.S. Department of Agriculture,  Agriculture Handbook 620. Washington, DC.
    8.  
    9. Blum, Barton M., and Dale S. Solomon. 1980. Growth trends in pruned  red spruce trees. USDA Forest Service, Research Note NE-294.  Northeastern Forest Experiment Station, Broomall, PA. 6 p.
    10.  
    11. Bowen, A. Temple, Jr. 1964. The relation of tree and stand  characteristics to basal area growth of red spruce trees in partially  cut stands in eastern Maine. Maine Agricultural Experiment Station,  Bulletin 627. Orono. 34 p.
    12.  
    13. Brix, H. R., and R. van den Driessche. 1977. Use of rooted cuttings  in reforestation: a review of opportunities, problems, and activities.  British Columbia Forest Service/Canadian Forestry Service, Joint Report  6. Ottawa, ON. 16 p.
    14.  
    15. Davis, Ronald B. 1966. Spruce-fir forests of the coast of Maine.  Ecological Monographs 36(2):94.
    16.  
    17. Dancik, B. P. 1980. Forest genetics studies at the University of  Alberta. In Proceedings, Seventeenth Meeting, Canadian Tree Improvement  Association. Pt. 1. p. 201-205.
    18.  
    19. Eyre, F. H., ed. 1980. Forest cover types of the United States and  Canada. Society of American Foresters, Washington, DC. 148 p.
    20.  
    21. Frank, Robert M., and John S. Bjorkbom. 1973. A silvicultural guide  for spruce-fir in the Northeast. USDA Forest Service, General Technical  Report NE-6. Northeastern Forest Experiment Station, Broomall, PA. 29 p. 
    22.  
    23. Frank, Robert M., and Barton M. Blum. 1978. The selection system of  silviculture in spruce-fir stands-procedures, early results, and  comparisons with unmanaged stands. USDA Forest Service, Research Paper  NE-425. Northeastern Forest Experiment Station, Broomall, PA. 15 p. 
    24.  
    25. Frank, Robert M., and Lawrence 0. Safford. 1970. Lack of viable seed  in the forest floor after clearcutting. Journal of Forestry  68(12):776-788.
    26.  
    27. Girouard, R. M. 1970. Propagating four species of spruce by stem  cuttings. Canadian Forestry Service, Bi-monthly Research Notes  26(4):29-31.
    28.  
    29. Gordon, Alan G. 1976. The taxonomy and genetics of Picea rubens  and its relationship to Picea mariana. Canadian Journal of  Botany 54(9):781-813.
    30.  
    31. Gordon, Alan G. 1978. Genecology and the contribution of genetic  variation to productivity systems in spruce forest ecosystems. In  Proceedings Sixteenth Meeting, Canadian Tree Improvement  Association, Pt. 1. p. 89-91.
    32.  
    33. Gordon, Alan G. 1979. Productivity and nutrient cycling in natural  forests. In Canada/MAB Report 12, Biomass Strategy Consultation.  p. 34-49. Co-sponsored by the Canadian Committee for the UNESCO Program  on Man and the Biosphere (MAB) and the Science Council of Canada.
    34.  
    35. Gordon, Alan G. 1980. Spruce genetics, Sault Ste. Marie in 1977 and  1978. In Proceedings, Seventeenth Meeting Canadian Tree  Improvement Association, Pt. 1. p. 117-12 1.
    36.  
    37. Gordon, Alan G. 1980. Genetics and genecology of spruce, Sault Ste.  Marie, Ontario, 1979 and 1980. In Proceedings, Eighteenth  Meeting, Canadian Tree Improvement Association, Pt. 1. p. 89-91.
    38.  
    39. Griffen, Ralph H., and James E. Johnson. 1970. Polymorphic site index  curves for spruce and balsam fir growing in even-aged stands in northern  Maine. University of Maine Life Sciences and Agriculture Experiment  Station, Bulletin 765. Orono. 22 p.
    40.  
    41. Hart, Arthur C. 1959. Silvical characteristics of red spruce (Picea  rubens). USDA Forest Service, Station Paper 124. Northeastern Forest  Experiment Station, Upper Darby, PA. 18 P.
    42.  
    43. Hart, Arthur C. 1965. Red spruce (Picea rubens Sarg.) In  Silvics of forest trees of the United States. p. 305-310. H. A.  Fowells, comp. U.S. Department of Agriculture, Agriculture Handbook 271.  Washington, DC.
    44.  
    45. Hart, Arthur C., Hershel G. Abbott, and Edward R. Ladd. 1968. Do  small mammals and birds affect reproduction of spruce and fir? USDA  Forest Service, Research Paper NE-110. Northeastern Forest Experiment  Station, Broomall, PA. 8 p.
    46.  
    47. Hawksworth, F. G., and A. L. Shigo. 1980. Dwarf mistletoe on red  spruce in New Hampshire. Plant Disease Reporter 64:880- 882.
    48.  
    49. Hertel, Gerard D. 1987. Spruce-fir research cooperative: a program  description. Spruce-fir research cooperative, USDA Forest Service,  Broomall, PA. 22 p.
    50.  
    51. Leak, W. B. 1976. Relation of tolerant species to habitat in the  White Mountains of New Hampshire. USDA Forest Service, Research Paper  NE-351. Northeastern Forest Experiment Station, Broomall, PA. 10 p. 
    52.  
    53. Leak, William B., and Raymond E. Graber. 1974. Forest vegetation  related to elevation in the White Mountains of New Hampshire. USDA  Forest Service, Research Paper NE-299. Northeastern Forest Experiment  Station, Broomall, PA. 7 p.
    54.  
    55. Lull, Howard W. 1968. A forest atlas of the Northeast. USDA Forest  Service, Northeastern Forest Experiment Station, Upper Darby, PA. 46 p. 
    56.  
    57. MacKenzie, James J., and Mohammed T. El-Ashry. 1988. 111 winds:  airborne pollution's toll on trees and crops. World Resources Institute.  74 p.
    58.  
    59. Manley, S. A. M. 1972. The occurrence of hybrid swarms of red and  black spruces in central New Brunswick. Canadian Journal of Forest  Research 2(4):381-391.
    60.  
    61. Manley, S. A. M., and F. Thomas Ledig. 1979. Photosynthesis in black  and red spruce and their hybrid derivatives: ecological isolation and  hybrid adaptive inferiority. Canadian Journal of Botany 57(4):305-314. 
    62.  
    63. McLintock, Thomas F. 1948. Evaluation of tree risk in the spruce-fir  region of the Northeast. USDA Forest Service, Station Paper NE-16.  Northeastern Forest Experiment Station, Upper Darby, PA. 7 p.
    64.  
    65. Meyer, Walter H. 1929. Yields of second-growth spruce and fir in the  northeast. U.S. Department of Agriculture, Technical Bulletin 142.  Washington, DC. 52 p.
    66.  
    67. Morgenstern, E. K. 1969. Survival and growth of red spruce  provenances in three experiments in Ontario. In Proceedings,  Eleventh Commonwealth Forest Tree Breeding Meeting. p. 206-211.
    68.  
    69. Morgenstern, E. K., A. G. Corriveau, and D. P. Fowler. 1981. A  provenance test of red spruce in nine environments in eastern Canada.  Canadian Journal of Forest Research 11(l):124-131.
    70.  
    71. Ostrander, M. D. 1974. Eastern spruce ... an American wood. USDA  Forest Service, FS-263. Washington, DC. 10 p.
    72.  
    73. Randall, Arthur G. 1974. Seed dispersal into two spruce-fir clearcuts  in eastern Maine. University of Maine Life Sciences and Agriculture  Experiment Station, Research in the Life Sciences 21(8):15.
    74.  
    75. Rauter, R. M. 1980. Genetic improvement of spruce and larch for  Ontario, 1977-78. In Proceedings, Seventeenth Meeting, Canadian  Tree Improvement Association, Pt. 1. p. 123-128,
    76.  
    77. Safford, Lawrence 0. 1968. Evaluation of growth characteristics of  individual free-growing red spruce trees as a means of estimating forest  productivity. Thesis (Ph.D.), University of Maine, Orono. 148 p.
    78.  
    79. Safford, Lawrence 0. 1968. Ten year average growth rates in the  spruce-fir region of northern New England. USDA Forest Service, Research  Paper NE-93. Northeastern Forest Experiment Station, Upper Darby, PA. 20  p.
    80.  
    81. Safford, L. 0. 1974. Picea A. Dietr. Spruce. In Seeds of woody plants  in the United States. p. 587-597. C. S. Schopmeyer, tech. coord. U.S.  Department of Agriculture, Agriculture Handbook 450. Washington, DC. 
    82.  
    83. Sanders, C. J., R. W. Stark, E. J. Mullins, J. Murphy, eds. 1985.  Recent advances in spruce budworm research: Proceedings, CANUSA Spruce  Budworms Research Symposium, September 16-20, 1985, Bangor, ME. Canadian  Forestry Service, Ottawa, ON. 527 p.
    84.  
    85. Solomon, Dale S., Richard A. Hosmer, and Homer T. Hayslett, Jr. 1987.  FIBER handbook: a growth model for spruce-fir and northern hardwood  types. USDA Forest Service, Research Paper NE-602. Northeastern Forest  Experiment Station, Broomall, PA. 19 p.
    86.  
    87. Society of American Foresters (Maine Chapter). 1977. Improvement,  maintenance, and protection of fish and wildlife habitat. The Maine  Forest Review 11:2-8.
    88.  
    89. Stanek, W. 1967. Natural layering of red spruce in Quebec. Canadian  Forestry Service, Bi-monthly Research Notes 23(6):42.
    90.  
    91. U.S. Department of Agriculture, Forest Service. 1979. A guide to  common insects and diseases of forest trees in the northeastern United  States. USDA Forest Service, NA-FR-4. Northeastern Area State and  Private Forestry, Broomall, PA. 123 p.
    92.  
    93. Walter, Lawrence C. 1967. Silviculture of the minor southern  conifers. p. 56-62. Stephen F. Austin State College School of Forestry,  Bulletin 15. Nacogdoches, TX.
    94.  
    95. Westveld, M. 1953. Empirical yield tables for spruce-fir  cutover-lands in the Northeast. USDA Forest Service, Station Paper 55.  Northeastern Forest Experiment Station, Upper Darby, PA. 64 p.
    96.  
     

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