Prospects for sustainability of biodiversity based on conservation biology and US Forest Service approaches to ecosystem management

Landscape and Urban Planning

Volumn 40, Issue 1-3, 1998, Pages 47-71

  Crumpacker, David W ^a  

^a UNIVERSITY OF COLORADO   (United States)

Author keywords

Biodiversity; Conservation biology; Ecosystem integrity; Ecosystem management; Landscape ecology; Nature reserve systems; US Forest Service

Indexed keywords

BIODIVERSITY; ECOSYSTEM MANAGEMENT; ENVIRONMENTAL MANAGEMENT; NATURE CONSERVATION;

UNITED STATES;

EID: 0032584027     PISSN: 01692046     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0169-2046(97)00098-4     Document Type: Article

References (128)

1. Agee, J.K., Johnson, D.R. (Eds.), 1988. Ecosystem Management for Parks and Wilderness. Univ. of Washington Press, Seattle, WA.
2. Alpert, P., 1995. Incarnating ecosystem management. Conserv. Biol. 9, 952-955.
3. Anderson, J.E., 1991. A conceptual framework for evaluating and quantifying naturalness. Conserv. Biol. 5, 347-352.
4. Angermeier, P.L., Karr, J.R., 1994. Biological integrity versus biological diversity as policy directives - protecting biotic resources. BioScience 44, 690-697.
5. Avise, J.C., 1994. The real message from Biosphere 2. Conserv. Biol. 8, 327-329.
6. Baskerville, G., 1985. Adaptive management - wood availability and habitat availability. Forestry Chronicle 61, 171-175, Cited in Everett et al., 1994.
7. Bates, S., 1993. Discussion paper: public lands communities. Western Lands Report No. 5, Natural Resources Law Center, Univ. of Colorado School of Law, Boulder, CO.
8. Bourgeron, P.S., Engelking, L. (Eds.), 1992. Preliminary compilation of a series level classification of the vegetation of the western United States using a physiognomic framework. Report to the Idaho Cooperative Fish and Wildlife Research Unit, Western Heritage Task Force, The Nature Conservancy, Boulder, CO (cited in Noss and Cooperrider, 1994).
9. Boyce, M.S., 1992. Population viability analysis. Annu. Rev. Ecol. Systematics 23, 481-506.
10. Brunner, R.D., 1993. Policy and global change research: a modest proposal. Discussion paper No. 75, Center for Public Policy Research, Univ. of Colorado, Boulder, CO.
11. Cairns, J., 1977. Quantification of biological integrity. In: Ballentine, R.K., Guarraia, L.J. (Eds.), The Integrity of Water. Office of Water and Hazardous Materials, US Environmental Protection Agency, US Government Printing Office, Washington, DC, pp. 171-187 (cited in Noss, R.F., 1990a).
12. Caughley, G., Gunn, A., 1996. Conservation Biology in Theory and Practice. B lackwell, Cambridge, MA.
13. Chapman, M.M., 1995. Maybe those of us who say it cannot be done should get out of the way of those who are doing it. Draft of paper related to symposium on Public-Private Partnerships held at conference on Challenging Federal Ownership and Management: Public Lands and Public Benefits. Natural Resources Law Center, Univ. of Colorado School of Law, Boulder, CO.
14. Clark, T.W., Zaunbrecher, D., 1987. The Greater Yellowstone ecosystem: the ecosystem concept in natural resource policy and management. Renewable Res. J., summer, 8-16.
15. Costanza, R., 1995. Ecological economics: toward a new transdisciplinary science. In: Knight, R.L., Bates, S.F. (Eds.), A New Century for Natural Resources Management. Island Press, Washington, DC, pp. 323-348.
16. Craighead, F., 1979. Track of the Grizzly. Sierra Club Books, San Francisco.
17. Crumpacker, D.W., 1985. Status and trend of natural ecosystems in the United States. Report to the Office of Technology Assessment, US Congress, National Technical Information Service, Springfield, VA.
18. Crumpacker, D.W., Hodge, S.W., 1988. Representation of major terrestrial and wetland ecosystems in the National Park System of the United States and comparison with other US national land management systems. In: Simon, D.J. (Ed.), New Parks: New Promise, Vol. 8 of Investing in Park Futures: A Blueprint for Tomorrow. National Parks and Conservation Association, Washington, DC, pp. II-1 to II-96.
19. Crumpacker, D.W., Hodge, S.W., Friedley, D., Gregg, W.P. Jr., 1988. A preliminary assessment of the status of major terrestrial and wetland ecosystems on federal and Indian lands in the United States. Conserv. Biol. 2, 103-115.
20. Daly, H.E., 1991. Steady-State Economics, 2nd edn. with New Essays. Island Press, Washington, DC.
21. Davis, G.D., 1988. Preservation of natural diversity: the role of ecosystem representation within wilderness. Paper presented at National Wilderness Colloquium, Tampa, FL (cited in Noss and Cooperrider, 1994).
22. Doak, D.F., Mills, L.S., 1994. A useful role for theory in conservation. Ecology 75, 615-626.
23. Ecological Society of America, 1995. The scientific basis for ecosystem management - an assessment by the Ecological Society of America. Prepublication copy, Ad Hoc Committee on Ecosystem Management, Ecol. Soc. Am., Washington, DC.
24. Ehrlich, P.R., Mooney, H.A., 1983. Extinction, substitution, and ecosystem services. BioScience 33, 248-254.
25. El Serafy, S., 1991. The environment as capital. In: Costanza, R. (Ed.), Ecological Economics: The Science of Management and Sustainability. Columbia Univ. Press, New York, pp. 168-175.
26. Everett, R.L., Oliver, C.D., Saveland, J., Hessburg, P.F., Diaz, N., Irwin, L., 1994. Adaptive ecosystem management. In: Jensen, M.E., Bourgeron, P.S. (Tech. Eds.), Ecosystem Management: Principles and Applications, Vol. II. General Technical Report PNW-GTR-318, USDA Forest Service, Pacific Northwest Research Station, Portland, OR, pp. 340-354.
27. Fiedler, P.L., Jain, S.K. (Eds.), 1992. Conservation Biology - The Theory and Practice of Nature Conservation, Preservation and Management. Chapman & Hall, New York.
28. Franklin, I.R., 1980. Evolutionary change in small populations. In: Soulé, M.E., Wilcox, B.A. (Eds.), Conservation Biology - An Evolutionary-Ecological Perspective. Sinauer Associates, Sunderland, MA, pp. 135-149.
29. Freyfogle, E.T., 1995-1996. Land ownership, private and wild - a proposed strategy. Wild Earth, winter, pp. 71-77.
30. Gerlach, L.P., Bengston, D.N., 1994. If ecosystem management is the solution, what's the problem?. J. Forestry 92, 18-21.
31. Grumbine, R.E., 1992. Ghost Bears - Exploring the Biodiversity Crisis. Island Press, Washington, DC.
32. Grumbine, R.E., 1994. What is ecosystem management?. Conserv. Biol. 8, 27-38.
33. Hann, W.J., Jensen, M.E., Bourgeron, P.S., Prather, M., 1994. Land management assessment using hierarchical principles of landscape ecology. In: Jensen, M.E., Bourgeron, P.F. (Tech. Eds.), Vol. II, Ecosystem Management: Principles and Applications. General Technical Report PNW-GTR-318, USDA Forest Service, Pacific Northwest Research Station, Portland OR, pp. 285-297.
34. Hansen, J.V., 1994. Ecosystem management. Opening statement before Joint Oversight Hearing on Ecosystem Management. US House of Representatives, Washington, DC.
35. Hardin, G., 1968. The tragedy of the commons. Science 162, 1243-1248.
36. Harris, L.D., 1984. The Fragmented Forest: Island Biogeography Theory and the Preservation of Biotic Diversity. Univ. of Chicago Press, Chicago.
37. Harrison, S., 1994. Metapopulations and conservation. In: Edwards, P.J., May, R.M., Webb, N.R. (Eds.), Large-scale Ecology and Conservation Biology. Blackwell, Oxford, UK, pp. 111-128.
38. Haskell, B.D., Norton, B.G., Costanza, R., 1992. What is ecosystem health and why should we worry about it? In: Costanza, R., Norton, B.G., Haskell, B.D. (Eds.), Ecosystem Health. Island Press, Washington, DC, pp. 3-20.
39. Hoerr, W., 1993. The concept of naturalness in environmental discourse. Nat. Areas J. 13, 29-32.
40. Holling, C.S., 1973. Resilience and stability of ecological systems. Ann. Rev. Ecol. Systematics 4, 1-23.
41. Holling, C.S. (Ed.), 1978. Adaptive Environmental Assessment and Management. Wiley, London, UK.
42. Hunter, Jr., M.L., 1996. Fundamentals of Conservation Biology. Blackwell, Cambridge, MA.
43. Hunter, M.L., Calhoun, A., 1994. A triad approach to land use allocation. In: Szaro, R. (Ed.), Biodiversity in Managed Landscapes. Oxford Univ. Press, New York, (cited in Noss and Cooperrider, 1994).
44. Hunter, M.L., Jacobson, G.L., Webb, T., 1988. Paleoecology and the coarse-filter approach to maintaining biological diversity. Conserv. Biol. 2, 375-385.
45. Interagency Ecosystem Management Task Force, 1995. The ecosystem approach: healthy ecosystems and sustainable economics. Vol. II, Implementation Issues. Report of the Interagency Ecosystem Management Task Force, Washington, DC.
46. Jensen, M.E., Bourgeron, P.S. (Tech. Eds.), 1994. Vol. II, Ecosystem Management: Principles and Applications. General Technical Report PNW-GTR-318, USDA Forest Service, Pacific Northwest Research Station, Portland, OR.
47. Jensen, M.E., Everett, R.L., 1994. An overview of ecosystem management principles. In: Jensen, M.E., Bourgeron, P.S. (Tech. Eds.), Vol. II, Ecosystem Management: Principles and Applications. General Technical Report PNW-GTR-318, USDA Forest Service, Pacific Northwest Research Station, Portland, OR, pp. 6-15.
48. Karr, J.R., Dudley, D.R., 1981. Ecological perspective on water quality goals. Environ. Manage. 5, 55-68.
49. Kay, J.J., 1993. On the nature of ecological integrity: some closing comments. In: Woodley, S., Kay, J., Francis, G. (Eds.), Ecological Integrity and the Management of Ecosystems. St. Lucie Press, Delray Beach, FL, pp. 201-212.
50. Keiter, R.B., 1994a. Beyond the boundary line: constructing a law of ecosystem management. Univ. Colorado Law Rev. 65, 293-333.
51. Keiter, R.B., 1994b. Conservation biology and the law: assessing the challenges ahead. Chicago-Kent Law Rev. 69, 911-933.
52. Kennedy, J.J., Quigley, T.M., 1994. Evolution of Forest Service organizational culture and adaptation issues in embracing ecosystem management, In: Jensen, M.E., Bourgeron, P.S. (Tech. Eds.), Vol. II, Ecosystem Management: Principles and Applications. General Technical Report PNW-GTR-318, USDA Forest Service, Pacific Northwest Research Station, Portland, OR, pp. 16-26.
53. Kessler, W.B., Salwasser, H., Cartwright, C.W. Jr., Caplan, J.A., 1992. New perspectives for sustainable natural resources management. Ecol. Applications 2, 221-225.
54. Lande, R., 1995. Mutation and conservation. Conserv. Biol. 9, 782-791.
55. Lande, R., Barrowclough, G.F., 1987. Effective populative size, genetic variation, and their use in population management. In: Soulé, M.E. (Ed.), Viable Populations for Conservation. Cambridge Univ. Press, UK, pp. 87-123.
56. Leopold, A., 1949. A Sand County Almanac, and Sketches Here and There. Oxford Univ. Press, New York.
57. Lippke, B., Oliver, C.D., 1994. An economic tradeoff system for ecosystem management. In: Jensen, M.E., Bouregeron, P.F. (Tech. Eds.), Vol. II, Ecosystem Management: Principles and Applications. General Technical Report PNW-GTR-318, USDA Forest Service, Pacific Northwest Research Station, Portland, OR, pp. 318-326.
58. MacArthur, R.H., Wilson, E.O., 1967. The Theory of Island Biogeography. Princeton Univ. Press, Princeton, NJ.
59. Margules, C., Usher, M.B., 1981. Criteria used in assessing wildlife conservation potential: a review. Biol. Conservation 21, 79-109.
60. May, R.M., 1994. The effects of spatial scale on ecological questions and answers. In: Edwards, P.J., May, R.M., Webb, N.R. (Eds.), Large-scale Ecology and Conservation Biology. Blackwell, Oxford, UK, pp. 1-17.
61. McVicker, G., 1996. Presentation in Boulder, Colorado to Colorado Rockies Regional Cooperative.
62. Meffe, G.K., Carroll, C.R., Contributors, 1994. Principles of Conservation Biology. Sinauer Associates, Sunderland, MA.
63. Morrissey, W.A., Zinn, J.A., Corn, M.L., 1994. Ecosystem management: federal agency activities. CRS Report for Congress, 94-399, ENR, Congressional Research Service and The Library of Congress, Washington, DC.
64. Murkowski, F.H., 1995. Comments submitted to conference on Challenging Federal Ownership and Management: Public Lands and Public Benefits. Natural Resources Law Center, Univ. of Colorado School of Law, Univ. of Colorado, Boulder, CO.
65. Newmark, W.D., 1985. Legal and biotic boundaries of western North American parks: a problem of congruence. Biol. Conservation 33, 197-208.
66. Newmark, W.D., 1987. Mammalian extinctions in western North American parks: a land-bridge island perspective. Nature 325, 430-432.
67. Newmark, W.D., 1995. Extinction of mammalian populations in western North American parks. Conserv. Biol. 9, 512-526.
68. Norton, T. (Guest Ed.), 1995. Applications of population viability analysis to biodiversity conservation. Biol. Conservation, 73 (a special issue).
69. Noss, R.F., 1983. A regional landscape approach to maintain biodiversity. BioScience 33, 700-706.
70. Noss, R.F., 1990b. What can wilderness do for biodiversity? In: Reed, P. (Ed.), Preparing to Manage Wilderness in the 21st Century. General Technical Report SE-66, USDA Forest Service, Southeastern Forest Experiment Station, Asheville, NC, pp. 49-61 (cited in Noss and Cooperrider, 1994).
71. Noss, R.F., 1991a. Protecting habitats and biological diversity. Part I: Guidelines for regional reserve systems. National Audubon Soc. New York (cited in Noss, 1992).
72. Noss, R.F., 1991b. Landscape conservation priorities in the Greater Yellowstone Ecosystem. Report to The Nature Conservancy, Arlington, VA and Boulder, CO (cited in Noss, 1992).
73. Noss, R.F., 1992. The wildlands project - land conservation strategy. Wild Earth, special issue on The Wildlands Project -Plotting a North American Wilderness Recovery Strategy, pp. 10-25.
74. Noss, R.F., 1994. Some principles of conservation biology, as they apply to environmental law. Chicago-Kent Law Rev. 69, 893-909.
75. Noss, R.F., Cooperrider, A.Y., 1994. Saving Nature's Legacy -Protecting and Restoring Biodiversity. Island Press, Washington, DC.
76. Noss, R.F., Harris, L.D., 1986. Nodes, networks, and MUMs: preserving diversity at all scales. Environ. Manage. 10, 299-309.
77. Noss, R.F., La Roe, E.T., III, Scott, J.M., 1995. Endangered ecosystems of the United States: a preliminary assessment of loss and degredation. Biological Report No. 28, Natl. Biol. Service, Washington, DC.
78. Oliver, C.D., 1992. A landscape approach: achieving and maintaining biodiversity and economic productivity. J. Forestry 90, 20-25, Cited in Lippke and Oliver, 1994.
79. Overbay, J.C., 1992. Ecosystem management. In: Taking an Ecological Approach to Management. USDA Forest Service Workshop, Salt Lake City, UT, pp. 3-15.
80. Patten, D.T., 1991. Human impacts in the Greater Yellowstone Ecosystem: evaluating sustainability goals and eco-development. Conserv. Biol. 5, 405-411.
81. Pickett, S.T.A., Parker, V.T., Fiedler, P.L., 1992. The new paradigm in ecology: implications for conservation biology above the species level. In: Fiedler, P.L., Jain S.K. (Eds.), Conservation Biology - The Theory and Practice of Nature Conservation, Preservation and Management. Chapman & Hall, New York, pp. 65-88.
82. Primack, R.B., 1993. Essentials of Conservation Biology. Sinauer Associates, Sunderland, MA.
83. Rapport, D.J., 1989. What constitutes ecosystem health?. Perspect. Biol. Med. 33, 120-132.
84. Rasker, R., 1994. A new look at old vistas: the economic role of environmental quality in western public lands. Univ. of Colorado Law Review 65, 369-399.
85. Rauber, P., 1995. Improving on nature. Sierra 80, pp. 43-44, 46-52, 70, 72.
86. Regier, H.A., 1993. The notion of natural and cultural integrity. In: Woodley, S., Kay, J., Francis, G. (Eds.), Ecological Integrity and the Management of Ecosystems. St. Lucie Press, Delray Beach, FL, pp. 3-18.
87. Roush, J., 1995. Freedom and responsibility: what we can learn from the Wise Use Movement. In: Echeverria, J., Eby, R.B. (Eds.), Let the People Judge - Wise Use and the Private Property Rights Movement. Island Press, Washington, DC, pp. 1-10.
88. Rundel, P.W., 1995. The role of species in ecosystems. Conserv. Biol. 9, 467-469.
89. Sagoff, M., 1995. Carrying capacity and ecological economics. BioScience 45, 610-620.
90. Salwasser, H., 1994. Ecosystem management - can it sustain diversity and productivity? J. Forestry 92, 6-7, 9-10.
91. Salwasser, H., Schonewald-Cox, C.M., Baker, R., 1987. The role of interagency cooperation in managing for viable populations. In: Soulé, M.E. (Ed.), Viable Populations for Conservation. Cambridge Univ. Press, Cambridge, UK, pp. 159-173.
92. Schemske, D.W., Husband, B.C., Ruckelshaus, M.H., Goodwillie, C., Parker, I.M., Bishop, J.G., 1994. Evaluating approaches to the conservation of rare and endangered plants. Ecology 75, 584-606.
93. Schonewald-Cox, C.M., 1983. Conclusions: guidelines to management: a beginning attempt. In: Schonewald-Cox, C.M., Chambers, S.M., MacBryde, B., Thomas, L. (Eds.), Genetics and Conservation - A Reference for Managing Wild Animal and Plant Populations. Benjamin/Cummings, Menlo Park, CA, pp. 414-445.
94. Schonewald-Cox, C.M., Buechner, M., 1991. Housing viable populations in protected habitats: the value of a coarse-grained geographic analysis of density patterns and available habitat. In: Seitz, A., Loeschcke, V. (Eds.), Species Conservation: A Population-Biological Approach. Birkshaüser Verlag, Basel, Switzerland, pp. 213-226.
95. Schonewald-Cox, C.M., Buechner, M., 1992. Park protection and public roads. In: Fiedler, P.L., Jain, S.K. (Eds.), Conservation Biology: The Theory and Practice of Nature Conservation, Preservation and Management. Chapman & Hall, New York, pp. 373-395.
96. Schonewald-Cox, C.M., Azari, R., Blume, S., 1991. Scale, variable density, and conservation planning for mammalian carnivores. Conserv. Biol. 5, 491-495.
97. Schulze, E., Mooney, H.A. (Eds.), 1993. Biodiversity and Ecosystem Function. Springer, New York.
98. Schwartz, M.W., 1994. Natural distribution and abundance of forest species and communities in northern Florida. Ecology 75, 687-705.
99. Scott, J.M., Davis, F., Csuti, B., Noss, R., Butterfield, B., Groves, C., Anderson, J., Caicco, S., D'Erchia, F., Edwards, T.C. Jr., Ulliman, J., Wright, R.C., 1993. Gap analysis: a geographic approach to protection of biological diversity. Wildlife Monographs 123, 1-41.
100. Seastedt, T., 1994. Ecosystem management: the new tool of land managers? Document prepared for Open Space Department, City of Boulder, CO.
101. Serafin, R., Steedman, R., 1991. Working group report: measuring integrity at the municipal level. In: Workshop on Ecological Integrity and the Management of Ecosystems. Heritage Resource Center, Univ. of Waterloo, Waterloo, ON, Canada (cited in Pell, 1995).
102. Shepard, W.B., 1994. Ecosystem management in the Forest Service: political implications, impediments, and imperatives. In: Jensen, M.E., Bourgeron, P.F. (Technical Ed.), Ecosystem Management: Principles and Applications, Vol. II. General Technical Report PNW-GTR-318, USDA Forest Service, Pacific Northwest Res. Station, Portland, OR, pp. 27-33.
103. Sinclair, A.R.E., Hik, D.S., Schmitz, O.J., Scudder, G.G.E., Turpin, D.H., Larter, N.C., 1995. Biodiversity and the need for habitat renewal. Ecol. Applications 5, 579-587.
104. Smith, F., May, R., Pellew, R., Johnson, T., Walter, K., 1993. How much do we know about current extinction rate?. Trends Ecol. Evolution 8, 375-378.
105. Soulé, M.E., 1980. Thresholds for survival: maintaining fitness and evolutionary potential. In: Soulé, M.E., Wilcox, B.A. (Eds.), Conservation Biology - An Evolutionary-Ecological Perspective. Sinauer Associates, Sunderland, MA, pp. 151-169.
106. Soulé, M.E., 1985. What is conservation biology?. BioScience 35, 727-734.
107. Stanley, T.R. Jr., 1995. Ecosystem management and the arrogance of humanism. Conserv. Biol. 9, 255-262.
108. Steen, H.K., 1976. The US Forest Service: A History. Univ. of Washington Press, Seattle, WA (cited in Kennedy and Quigley, 1994).
109. Swanson, F.J., Franklin, J.F., 1992. New Forestry principles from ecosystem analysis of Pacific Northwest Forests. Ecol. Applications 2, 262-274.
110. Swanson, F.J., Jones, J.A., Wallin, D.O., Cissel, J.H., 1994. Natural variability - implications for ecosystem management. In: Jensen, M.E., Bourgeron, P.S. (Tech. Eds.), Vol. II, Ecosystem Management: Principles and Applications. General Technical Report PNW-GTR-318, USDA Forest Service, Pacific Northwest Forest Research Station, Portland, OR, pp. 80-94.
111. The Keystone Center, 1991. Final consensus report of the Keystone Policy Dialogue on Biological Diversity on Federal Lands. The Keystone Center, Keystone, CO.
112. The Keystone Center, 1993. National Ecosystem Management Forum meeting summary. Keystone, CO.
113. The Keystone Center, 1995. Keystone National Policy Dialogue on Ecosystem Management - Southwest, Northeast, and Northwest Regional Meetings, and Second Plenary Session. The Keystone Center, Keystone, CO.
114. The Nature Conservancy, 1991. Last great places - the Nature Conservancy's protection initiative for the 1990s. Nature Conservancy, May/June 1991 (a special issue).
115. Thomas, J.W., 1994. Concerning "New Directions in the Forest Service". Testimony before the Committee on Natural Resources, US House of Representatives, Washington, DC.
116. USDA Forest Service, 1991. Charter for new perspectives for managing the National Forest System. Washington, DC (cited in Kessler and Salwasser, 1995).
117. USDA Forest Service, 1994a. The Forest Service ethics and course to the future. USDA Forest Service, FS 567, Washington, DC.
118. USDA Forest Service, 1994b. A national framework - ecosystem management. Washington, DC.
119. USDA Forest Service, 1994c. Western forest health initiative. State and Private Forestry, USDA Forest Service, Washington, DC.
120. US Man and the Biosphere Program, 1994. Strategic plan for the US Biosphere Program. Biosphere Reserve Directorate, US Man and the Biosphere Program, Dept. of State Publication 10186, Washington, DC. Available as No. NTIS PB95-101226-1994 from National Technical Information Service, Springfield, VA.
121. Walters, C.J., Holling, C.S., 1990. Large-scale management experiments and learning by doing. Ecology 71, 2060-2068.
122. Westman, W.E., 1990. Park management of exotic plant species: problems and issues. Conserv. Biol. 4, 251-260.
123. Wilcove, D.S., 1994. Turning conservation goals into tangible results: the case of the spotted owl and old-growth forests. In: Edwards, P.J., May, R.M., Webb, N.R. (Eds.), Large-scale Ecology and Conservation Biology. Blackwell, Oxford, UK, pp. 313-329.
124. Wilcove, D.S., Blair, R.B., 1995. The ecosystem management bandwagon. Trends Ecol. Evolution 10, 345.
125. Wilcove, D.S., McMillan, M., Winston, K.C., 1993. What exactly is an endangered species? An analysis of the US endangered species list: 1985-1991. Conserv. Biol. 7, 87-93.
126. Wilcox, B.A., 1980. Insular ecology and conservation. In: Soulé, M.E., Wilcox, B.A. (Eds.), Conservation Biology - An Evolutionary-Ecological Perspective. Sinauer Associates, Sunderland, MA, pp. 95-117.
127. Woodwell, G.M., 1990. The earth under stress: a transition to climatic instability raises questions about patterns of impoverishment. In: Woodwell, G.M. (Ed.), The Earth in Transition - Patterns and Processes of Biotic Impoverishment. Cambridge Univ. Press, Cambridge, UK, pp. 3-7.
128. Yaffee, S.L., 1994. The Wisdom of the Spotted Owl-Policy Lessons for a New Century. Island Press, Washington, DC.