首页> 美国政府科技报告 >Ecosystem Change and the Decline of Marine Mammals in the Eastern Bering Sea.211 Testing the Ecosystem Shift and Commercial Whaling Hypotheses. Fisheries Centre 211 Research Reports, 1999, Volume 7
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Ecosystem Change and the Decline of Marine Mammals in the Eastern Bering Sea.211 Testing the Ecosystem Shift and Commercial Whaling Hypotheses. Fisheries Centre 211 Research Reports, 1999, Volume 7

机译:生态系统变化和白令海东部海洋哺乳动物的衰退.211测试生态系统转变和商业捕鲸假说。渔业中心211研究报告,1999年,第7卷

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Some species in the Bering Sea underwent large changes between the 1950s and the211u001e1980s. Among the best documented are the declines of Steller sea lions and

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