Ghost Bears: Exploring The Biodiversity Crisis
Across the country and around the world, species that once flourished are now seldom seen. The impact of humans on organisms, ecosystems, and the biosphere has reached crisis proportions, but often this crisis is viewed in terms of a single species - the spotted owl, the snail darter - that is being threatened by a specific human action - logging, building. Rarely are the essential links between human values, actions, and management goals that create this tragedy ever examined. In Ghost Bears, R. Edward Grumbine looks at the wide-ranging implications of this crisis and explains why our species-centered approach will ultimately fail to protect ecosystems and diversity. Using the fate of the endangered grizzly bear - the "ghost bear" - to explore the causes and effects of species loss and habitat destruction, Grumbine presents a clear assessment of the biodiversity crisis and introduces the new science of conservation biology. While conservation biology may eventually provide theories and tools for solutions to this crisis, until now its philosophical and conceptual framework has remained inaccessible to the general public. Grumbine explains this science in understandable terms and in the process, describes the connections between conservation biology, environmental laws, land management practices, and environmental values that must be understood if the environmental destruction we are wreaking is to be brought under control.
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agency Almack ancient forest animals biodiversity crisis biological corridors biologists Biosphere boundaries clearcuts committee Congress conservation biology Douglas-fir ecological ecologists ecosys ecosystem management effects endangered ecosystem Endangered Species Act environmental extinction federal lands Fish and Wildlife forest plans forestry future genetic goals gray wolf greater ecosystems Greater North Cascades Greater Yellowstone Greater Yellowstone Ecosystem grizzly bear groups growth habitat fragmentation human interagency islands Kulshan land management landscape levels living logging ment Minimum Viable Populations Mount Baker mountain multiple-use national forests National Park native diversity NFMA North Cascades ecosystem North Cascades grizzly northern spotted owl old-growth forests Pacific Northwest Park Service patches patterns percent Pinchot political protect biodiversity recovery regional reserves resource road Salwasser scientific scientists Soule species and ecosystems strategy subpopulations sustainable tion trees U.S. Forest Service Viable Populations Washington watershed wild wilderness Wildlife Service