Fish Conservation: A Guide to Understanding and Restoring Global Aquatic Biodiversity and Fishery Resources

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Island Press, Jul 15, 2007 - Science - 608 pages
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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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Contents

Fish Biodiversity and Why It Should Matter
3
IMPERILED FISHES TAXONOMY GEOGRAPHY AND VULNERABILITY
17
Roll Call I A Taxonomic Perspective
19
Roll Call II A Geopolitical Perspective
49
Characteristics of Vulnerable Species and Correlates of Imperilment
75
INDIRECT CAUSES OF DECLINE HABITAT WATER AND INTRODUCTIONS
95
Habitat Modification and Loss
97
Dams Impoundments and Other Hydrological Alterations
130
Fishes versus Fisheries II Behavior Life History Evolution and Ecosystems
304
Coral Reefs Fishes and Fisheries Exploitation in Fragile Ecosystems
334
The Trade in Live Fishes
365
The Promise of Aquaculture and Hatcheries
407
ASKING HARD QUESTIONS SORTING OUT ANSWERS
439
The Ethics of Exploitation and Intervention Do We Have the Right?
441
Future Perspectives Beyond Gloom and Doom?
455
Probable Fish Extinctions
469

Degraded Water Quality
158
Alien Species I Case Histories Mechanisms and Levels of Impact
200
Alien Species II Understanding the Process Minimizing the Impact
223
DIRECT CAUSES OF DECLINE FISHES AS COMMODITIES
251
Fishes versus Fisheries I Overfishing
253
Glossary
477
References
485
Subject Index
565
Species Index
579
Copyright

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About the author (2007)

Gene S. Helfman is emeritus professor in the Institute of Ecology and the program

in conservation ecology and sustainable development at the University of Georgia in Athens.

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