Evaluation of Artificially Constructed Side Channels as Habitat for Salmonids in the Trinity River, Northern California, 1991-1993 PDF Download
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Author: Jay D. Glase
Publisher:
ISBN:
Category : Fishes
Languages : en
Pages : 72
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Book Description
Author: Jay D. Glase
Publisher:
ISBN:
Category : Fishes
Languages : en
Pages : 72
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Book Description
Author: U.S. Fish and Wildlife Service. Arcata Fish and Wildlife Office
Publisher:
ISBN:
Category : Fishery management
Languages : en
Pages : 528
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Book Description
Author: Joseph J. Krakker
Publisher:
ISBN:
Category : Fish culture
Languages : en
Pages : 124
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Book Description
Author: Nicole Silk
Publisher: Island Press
ISBN: 1597266191
Category : Nature
Languages : en
Pages : 404
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Book Description
A Practitioner's Guide to Freshwater Biodiversity Conservation brings together knowledge and experience from conservation practitioners and experts around the world to help readers understand the global challenge of conserving biodiversity in freshwater ecosystems. More importantly, it offers specific strategies and suggestions for managers to use in establishing new conservation initiatives or improving the effectiveness of existing initiatives. The book: offers an understanding of fundamental issues by explaining how ecosystems are structured and how they support biodiversity; provides specific information and approaches for identifying areas most in need of protection; examines promising strategies that can help reduce biodiversity loss; and describes design considerations and methods for measuring success within an adaptive management framework. The book draws on experience and knowledge gained during a five-year project of The Nature Conservancy known as the Freshwater Initiative, which brought together a range of practitioners to create a learning laboratory for testing ideas, approaches, tools, strategies, and methods. For professionals involved with land or water management-including state and federal agency staff, scientists and researchers working with conservation organizations, students and faculty involved with freshwater issues or biodiversity conservation, and policymakers concerned with environmental issues-the book represents an important new source of information, ideas, and approaches.
Author: Richard Adrian Macedo
Publisher:
ISBN:
Category : Salmon fisheries
Languages : en
Pages : 296
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Book Description
Author:
Publisher:
ISBN:
Category : American River (Calif.)
Languages : en
Pages : 108
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Book Description
Author: Koll Buer
Publisher:
ISBN:
Category : Fish habitat improvement
Languages : en
Pages : 175
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Book Description
Author: Hillary Herring Freeman
Publisher:
ISBN:
Category :
Languages : en
Pages : 106
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Book Description
In 1955, Congress authorized the construction, operation, and maintenance of the Trinity River Division (TRD) as part of California's Central Valley Project (CVP). By 1963, the Trinity River was physically diverted via a series of manmade dams, reservoirs, power plants, pipelines and tunnels before merging with the Sacramento River waters and veering into California's Central Valley. Currently, the primary goals of the TRD are supplying water for irrigation and domestic use and generating power. Economic feasibility has been the primary funding criterion; environmental considerations were added only after Congress mandated measures to insure the preservation and propagation offish and wildlife. Federal trust responsibilities for tribal fishery resources were later added as a decision criterion. In the 1970's, California Department of Fish and Game officials concluded that the TRD's 109 mile salmon habitat diversion, created by dam construction and subsequent sustained, very low downstream river flows, caused fish stock declines. Scientists concluded that variable flows of sufficient size could clean spawning gravels, build gravel bars, scour sand out of pools, oxygenate water, hold riparian encroachment at bay, provide adequate temperature and habitat conditions for Chinook salmon at different life stages, and perform many other ecological functions necessary to restore anadromous fish stocks and the natural alluvial plain. Many acts, environmental impact statements, decisions, and memorandums have been signed in an effort to restore the fisheries and fish habitats in the Trinity River basin to the level that existed prior to the construction of the TRD. None of the legal remedies employed prevented a massive (33,000) salmon kill in 2002. Today's policy makers must continue to weigh the legal, social, environmental, and economic demands. This case illustrates the continuing struggle to strike a balance between competing environmental, economic, legal, and social pressures on California's limited fresh water. It also highlights the need for increased interdisciplinary reporting to capture the non-traditional variables that help policy makers support environmentally sound solutions.
Author: California. Department of Fish and Game
Publisher:
ISBN:
Category : Fisheries
Languages : en
Pages : 68
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Book Description
Author: G. Mathias Kondolf
Publisher:
ISBN:
Category : Nature
Languages : en
Pages : 164
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Book Description
