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...
Call Number: | Libro Electrónico |
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Corporate Author: | |
Format: | Electronic eBook |
Language: | Inglés |
Published: |
Washington, D.C. :
National Academies Press,
©2003.
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Subjects: | |
Online Access: | Texto completo |