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A single-celled alga that went extinct in the North Atlantic Ocean about 800,000 years ago has returned after drifting from the Pacific through the Arctic thanks to melting polar ice. And while its appearance marks the first trans-Arctic migration in modern times, scientists say it signals something potentially bigger.
"It is an indicator of rapid change and what might come if the Arctic continues to melt," said Chris Reid, a professor of oceanography at the Sir Alister Hardy Foundation for Ocean Science in the United Kingdom. Arctic sea ice has been in decline for roughly three decades, and in several more recent summers, a passage has opened up between the Pacific and Atlantic. In as little as 30 years, Arctic summers are projected to become nearly ice free.
"The major thing about this climate change is the rate at which things are happening at this moment. … We had change, we had warming, we had cooling, we had ice ages, but it was always slower than things are going now," said Katja Philippart, a marine biologist with the Royal Netherlands Institute for Sea Research and a coordinator for CLAMER. "The rate is unprecedented." Life in the modern seas faces added stresses — pollution, habitat loss, acidification and heavy fishing — that did not exist during prior shifts in climate not caused by humans, Philippart said.
Originally posted by Domo1
reply to post by jude11
Perhaps you should apply for the editors position!
I actually thought the same thing when I read the article, easy enough to forget to add the 'thought to have been'.
Originally posted by fixer1967
Let me get this right. This stuff came back to life after being frozen in ice for 800,000 years? If so it makes you wonder what else could come back to life.