Dynamic Changes in Marine Ecosystems 在线电子书 pdf 下载 txt下载 epub 下载 mobi 下载 2024

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National Research Council 作者

National Academies Press

译者

2006-7-26 出版日期

168 页数

USD 53.00 价格

Paperback

丛书系列

9780309100502 图书编码

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Dynamic Changes in Marine Ecosystems 在线电子书 epub 下载 mobi 下载 pdf 下载 txt 下载 2024

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Recent scientific literature has raised many concerns about whether fisheries have caused more extensive changes to marine populations and ecosystems than previously realized or predicted. In many cases, stocks have been exploited far beyond management targets, and new analyses indicate that fishing has harmed other species - including marine mammals, seabirds, sea turtles, and sea grasses - either directly through catch or habitat damage, or indirectly through changes in food-web interactions. At the request of the National Oceanic and Atmospheric Administration, the National Research Council conducted an independent study to weigh the collective evidence for fishery-induced changes to marine ecosystems and the implications of the findings for U.S. fisheries management. "Dynamic Changes in Marine Ecosystems" provides comprehensive information in regard to these findings.

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