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History of Conservation Biology
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Development of Western Conservation Attitudes philosophies and ideals may be traced to the late 1800s pragmatic utilitarianism- natural resource disciplines and government agencies romantic preservationists- wilderness advocacy science/ecology- The Nature Conservancy
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Western conservation philosophy is rooted in Judeo-Christian view of nature as created to serve the human race.
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Political, economic, and intellectual attitudes stem from a democratic view - increased access of individuals to natural resources; incentive to exploit nature.
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Impacts of Industrial and Scientific Revolutions Provided new means of exploiting resources and a new concept of nature.
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Cycles of Crisis and Activity
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Transcendentalism (1850-1865) The alteration of the eastern landscape stimulated and aesthetic appreciation of the natural areas that remained.
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Ralph Waldo Emerson rejected material goals and sought harmony through the contemplation of nature.
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Henry David Thoreau naturalist, author, and philosopher "In wilderness is the preservation of the world."
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Closing of the Western Frontier (1890-1905) By the end of the 19th century settlement in North America had reached the Pacific Ocean.
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Federal Agencies Were Established National Park system- 1872 Forest Service- 1889 Bureau of Reclamation- 1902 National Refuge system- 1903
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John Muir (1838-1914) naturalist and writer who stimulated interest in the natural history of the western mountains.
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Muir’s Accomplishments Established Sierra Club Met with government officials Wrote to inform the public. Sacramento Record-Union believed that land had recreational and cultural significance.
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Theodore Roosevelt Established 86 wildlife refuges in 17 states and three territories
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Gifford Pinchot Prussian trained forester 1st director of Forestry in US
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Dust Bowl Era (1930-1940) Agriculture spread into marginal lands Water erosion and flooding plagued the Midwest while drought and wind erosion plagued the Central Plains. Economic Depression Widespread recognition of new concepts in Ecology.
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Population Explosion & Environmental Pollution (1960-1975) Economic expansion Explosive growth of technology Human population growth - post-war baby boom Industrial growth
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Increased Environmental Awareness Wilderness Act- 1964 Environmental Protection Agency- 1970 Endangered Species Act- 1973
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The Biodiversity Crisis (1990- ?) Geographic Information Systems National Biological Service- 1993 Consolidated research personnel from various federal bureaus. Emergence of Conservation Biology as a discipline
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Results of European Colonization of N America: Rapid Alteration of Natural Ecosystems dam building predator elimination species introductions logging forests mining overgrazing erosion litter and pollution
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”The Pioneer Spirit" wilderness was an enemy that needed to be conquered
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Initially, reservations were created mainly for the preservation of timber and for recreational uses rather than for the protection of native species.
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It was not until the mid 1900's that people began to consider species preservation an end in itself
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Conservationists -vs- Environmentalists
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Idealism vs Realism conservationists are idealistic Idealism- Land has inherent aesthetic value to man. Realism- Most people only see as land having economic value.
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Rachel Carson
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