Fisheries Ebb and Flow in 50-Year Cycle, Study Says


  • Aug 22 2010 3:43 PM

    MaryRose Lovgren

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In this National Geographic News article, read about the discovery of a 50-year climate cycle in the Pacific Ocean that affects sardine and anchovy populations. The seesawing changes of these two tiny fish-the one abundant when the other is scarce-have highlighted a natural climatic pattern that may color our understanding of global warming. Links to related stories and Web sites are also found on this page.

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