Of 36 New England Coastal Fish Species Tracked 1970-2006, 75% Moving North Or To Deeper Waters
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Off the New England coast, for instance, marine scientists tracked migration trends for 36 fish species and found that 75 percent had moved north or into deeper water or both to keep their cool, Dr. Fogarty says.
At the same time, "the Atlantic croaker, a subtropical species, is moving north and is having higher reproductive success as well" in northern waters, he says.
Meanwhile, fishermen in the Gulf of Maine are reporting highly unusual species for the area: black sea bass, which could earn them a tidy sum; new species of squid; and blue crabs, Fogarty adds.
The work by Dr. Cheung and colleagues "is a very interesting study, and its global reach makes it quite important," he says.
The study covers a period spanning 1970 to 2006. The team examined catch records compiled by the United Nations Food and Agriculture Organization, as well as from regional and national fisheries groups. The researchers divvied the catch data among 52 large marine ecosystems – for example, the US Northeast's continental shelf, the North Sea, or ecosystems defined by currents such as the Canary Current (a segment of a much larger North Atlantic surface current that skirts the Canary Islands).
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http://www.csmonitor.com/Science/2013/0516/Blue-crabs-in-Maine-Something-fishy-about-global-warming