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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