Wild Forests: Conservation Biology And Public PolicyIsland Press, 1994 - 300 Seiten Wild Forests presents a coherent review of the scientific and policy issues surrounding biological diversity in the context of contemporary public forest management. The authors examine past and current practices of forest management and provide a comprehensive overview of known and suspected threats to diversity. In addition to discussing general ecological principles, the authors evaluate specific approaches to forest management that have been proposed to ameliorate diversity losses. They present one such policy -- the Dominant Use Zoning Model incorporating an integrated network of "Diversity Maintenance Areas" -- and describe their attempts to persuade the U.S. Forest Service to adopt such a policy in Wisconsin. Drawing on experience in the field, in negotiations, and in court, the authors analyze the ways in which federal agencies are coping with the mandates of conservation biology and suggest reforms that could better address these important issues. Throughout, they argue that wild or unengineered conditions are those that are most likely to foster a return to the species richness that we once enjoyed. |
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... growth forests unique ? Are there old - growth dependent species ? Current management decisions often are based on incomplete or in- adequate knowledge regarding the structure , composition , and function of old - growth communities ...
... growth ecosystems ( Harris 1984 , p.8 ) . Given the impending conversion of many western , old - growth forest lands to younger , more intensively managed stands , Harris's model seeks to maxi- mize the biologically effective size of ...
... growth islands greater than this size for both political and biological reasons : If these [ northwestern ] old growth ecosystems are expected to func- tion independently of their surroundings , then their size might need to be so large ...
Inhalt
Forests Then and Now | 3 |
Shadows in the Forest | 19 |
The Myth of Hearts Content | 29 |
Urheberrecht | |
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Wild Forests: Conservation Biology And Public Policy William S. Alverson,Don Waller,Walter Kuhlmann Eingeschränkte Leseprobe - 2013 |