Vetenskap & teknik
Pocket
Atlantic Salmon in Maine
National Research Council • Division On Earth And Life Studies • Ocean Studies Board • Board On Environmental Studies And Toxicology • Committee On Atlantic Salmon In Maine
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Because of the pervasive and substantial decline of Atlantic salmon populations in Maine over the past 150 years, and because they are close to extinction, a comprehensive statewide action should be taken now to ensure their survival. The populations of Atlantic salmon have declined drastically, from an estimated half million adult salmon returning to U.S. rivers each year in the early 1800s to perhaps as few as 1,000 in 2001. The report recommends implementing a formalized decision-making approach to establish priorities, evaluate options and coordinate plans for conserving and restoring the salmon. Table of Contents Front Matter Summary 1 Introduction 2 Salmon Life History and Ecology 3 Threats to Atlantic Salmon in Maine 4 Setting Priorities for Action 5 Addressing the Threats to Atlantic Salmon in Maine 6 Findings and Recommendations References Appendix A: Endangered Species Act Basics Appendix B: Governance Appendix C: Supportive Breeding, Effective Population Size, and Inbreeding Appendix D: Supportive Breeding and Risks to Genetic Quality Appendix E: Summary of the Committee's Interim Report Appendix F: Stocking Number, 1871-1995 Appendix G: Biographical Sketches of the Committees Members
- Format: Pocket/Paperback
- ISBN: 9780309091350
- Språk: Engelska
- Antal sidor: 304
- Utgivningsdatum: 2004-10-01
- Förlag: National Academies Press