July 25, 2012

Tropical Plankton Invade Arctic Waters




Tropical Plankton Invade Arctic Waters

Researchers See Natural Cycle; But Questions Arise on Climate Change

2012-07-24

For the first time, scientists have identified tropical and subtropical species of marine protozoa living in the Arctic Ocean. Apparently, they traveled thousands of miles on Atlantic currents and ended up above Norway with an unusual—but naturally cyclic—pulse of warm water, not as a direct result of overall warming climate, say the researchers.

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