Fish Conservation: A Guide to Understanding and Restoring Global Aquatic Biodiversity and Fishery Resources by Gene S. Helfman

Fish Conservation: A Guide to Understanding and Restoring Global Aquatic Biodiversity and Fishery Resources by Gene S. Helfman PDF, ePub eBook D0wnl0ad

Fish Conservation offers, for the first time in a single volume, a readable reference with a global approach to marine and freshwater fish diversity and fishery resource issues. Gene Helfman brings together available knowledge on the decline and restoration of freshwater and marine fishes, providing ecologically sound answers to biodiversity declines as well as to fishery management problems at the subsistence, recreational, and commercial levels. Written in an engaging and accessible style, the book:

considers the value of preserving aquatic biodiversity

offers an overview of imperiled fishes on a taxonomic and geographic basis

presents a synthesis of common characteristics of imperiled fishes and their habitats

details anthropogenic causes of decline

examines human exploitation issues

addresses ethical questions surrounding exploitation of fishes

The final chapter integrates topics and evaluates prospects for arresting declines, emphasizing the application of evolutionary and ecological principles in light of projected trends. Throughout, Helfman provides examples, explores case studies, and synthesizes available information from a broad taxonomic, habitat, and geographic range.

Fish Conservation summarizes the current state of knowledge about the degradation and restoration of diversity among fishes and the productivity of fishery resources, pointing out areas where progress has been made and where more needs to be done. Solutions focus on the application of ecological knowledge to solving practical problems, recognizing that effective biodiversity conservation depends on meeting human needs through management that focuses on long term sustainability and an ecosystem perspective.

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edward546

Tuesday, January 20, 2015

PDF⋙ Fish Conservation: A Guide to Understanding and Restoring Global Aquatic Biodiversity and Fishery Resources by Gene S. Helfman

Fish Conservation: A Guide to Understanding and Restoring Global Aquatic Biodiversity and Fishery Resources by Gene S. Helfman