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Author: John N. Rinne
Publisher:
ISBN:
Category : Fish habitat improvement
Languages : en
Pages : 4
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Book Description
Author: John N. Rinne
Publisher:
ISBN:
Category : Fish habitat improvement
Languages : en
Pages : 4
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Book Description
Author:
Publisher:
ISBN:
Category : Fish habitat improvement
Languages : en
Pages : 152
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Book Description
Author: Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 426
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Book Description
Author: United States. Rocky Mountain Forest and Range Experiment Stations, Fort Collins, Colo
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 498
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Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 546
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Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 50
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Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 304
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Author: Frank Richardson
Publisher:
ISBN:
Category : Fishery resources
Languages : en
Pages : 240
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Book Description
The first Wild Trout Symposium (1974) was sponsored by Trout Unlimited and the United States Department of the Interior. The second Symposium (1979) added the Federation of Fly Fisherman as a sponsor. Five years later (1984) the U.S. Department of Agriculture - Forest Service joined. In 1989 , the U.S. Environmental Protection Agency and the American Fisheries Society joined. These symposia began with a concentration on management, then recognized that more than 'management' was required in ongoing efforts to enhance wild salmonid fisheries. Subsequent symposia began to examine a broader range of environmental and social factors influencing wild salmonids. The originators hoped that each symposium would be a building block upon which the succeeding symposium could provide insights and research which future sessions could revisit. Along with the broadening of sponsorship, we have grown , we have gained recognition, and we look forward to expanding our contribution to the cause of wild salmonids. We hope these Proceedings will stimulate readers thinking and efforts on behalf of our wild salmonid resources , and plan to participate with us in Wild Trout V.
Author: W. L. Minckley
Publisher: University of Arizona Press
ISBN: 9780816527991
Category : Science
Languages : en
Pages : 482
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Book Description
This comprehensive new book replaces and substantially expands upon the landmark Fishes of Arizona, which has been the authoritative source since it was first published in 1973. Inland Fishes of the Greater Southwest is a one-volume guide to native and non-native fishes of the lower Colorado River basin, downstream from the Grand Canyon, and of the northern tributaries of the Sea of Cortez in the United States and Mexico. In all, there are in-depth accounts of more than 165 species representing 30 families. The book is not limited to the fish. It provides insights into their aquatic world with information on topography, drainage relations, climate, geology, vegetational history, aquatic habitats, human-made water systems, and conservation. A section of the book is devoted to fish identification, with keys to native and non-native families as well as family keys to species. The book is illustrated with more than 120 black-and-white illustrations, 47 full-color plates of native fishes, and nearly 40 maps and figures. Many native fish species are unique to the Southwest. They possess interesting and unusual adaptations to the challenges of the region, able to survive silt-laden floods as well as extreme water temperatures and highly fluctuating water flows ranging from very low levels to flash floods. However, in spite of being well-adapted, many of the fish described here are threatened or endangered, often due to the acts of humans who have altered the natural habitat. For that reason, Inland Fishes of the Greater Southwest presents a vast amount of information about the ecological relationships between the fishes it describes and their environments, paying particular attention to the ways in which human interactions have modified aquatic ecosystemsÑand to how humans might work to ensure the survival of rapidly disappearing native species.
Author: W. Wallace Covington
Publisher:
ISBN:
Category : Ecosystem management
Languages : en
Pages : 376
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Book Description
"This conference brought together scientists and managers from federal, state, and local agencies, along with private-sector interests, to examine key concepts involving sustainable ecological systems, and ways in which to apply these concepts to ecosystem management. Session topics were: ecological consequences of land and water use changes, biology of rare and declining species and habitats, conservation biology and restoration ecology, developing and applying ecological theory to management of ecological systems and forest health, and sustainable ecosystems to respond to human needs. A plenary session established the philosophical and historical contexts for ecosystem management."--Title page verso.
