James A. Pritchard – författare
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4 produkter
Green and Permanent Land
Ecology and Agriculture in the Twentieth Century
Av Randal S. Beeman, James A. Pritchard
Inbunden, 2001
629 kr
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Once patronized primarily by the counterculture and the health food establishment, the organic food industry today is a multi-billion-dollar business driven by ever-growing consumer demand for safe food and greater public awareness of ecological issues. Assumed by many to be a recent phenomenon, …
Redesigned Tail Rotor for Improvement of CH-53E High-Altitude Performance
Häftad, 2012
194 kr
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Preserving Yellowstone's Natural Conditions
Science and the Perception of Nature
Häftad, 2022
222 kr
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Preserving Yellowstone’s Natural Conditions describes in fascinating detail the historical origins and development of wildlife management in Yellowstone National Park, alongside shifting understandings of nature in science and culture. James A. Pritchard traces the idea of “natural conditions” …
Preserving Yellowstone's Natural Conditions
Science and the Perception of Nature
Inbunden, 1999
565 kr
Tillfälligt slut
American ecologists seeking to influence the founders of the National Park Service had hoped that protection of the parks would create preserves where "natural conditions" could exist in an idealized presettlement state. These hopes, however, produced a bitter irony. In order to secure a naturally …
