Decline of the Steller sea lion in Alaskan waters : untangling food webs and fishing nets /
For an unknown reason, the Steller sea lion population in Alaska has declined by 80% over the past three decades. In 2001, the National Research Council began a study to assess the many hypotheses proposed to explain the sea lion decline including insufficient food due to fishing or the late 1970s c...
Clasificación: | Libro Electrónico |
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Autor Corporativo: | |
Formato: | Electrónico eBook |
Idioma: | Inglés |
Publicado: |
Washington, D.C. :
National Academies Press,
©2003.
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Temas: | |
Acceso en línea: | Texto completo |
Tabla de Contenidos:
- Front Matterr
- Preface
- Acknowledgments
- Contents
- Executive Summary
- 1 Introduction
- 2 The Environmental Setting
- 3 Identifying Clues and Testing Hypotheses
- 4 Review of Steller Sea Lion Biology
- 5 Fisheries
- 5 Fisheries
- 6 Steller Sea Lion Decline: Environmental Context and Compendium of Evidence
- 7 Information Needs and Recommendations
- References
- APPENDIX A Committee and Staff Biographies
- APPENDIX B Acronyms
- APPENDIX C Glossary
- APPENDIX D Early Account of Steller Sea Lions
- APPENDIX E Federal Funding Summary
- APPENDIX F Meeting AgendasAPPENDIX G National Research Council Project Oversight Boards
- APPENDIX H Guide to the Common and Scientific Names of Marine Mammal, Fish, Invertebrate, and Bird Species