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Climate change pushing marine life towards the poles, says study

August 8, 2013

Full Article at http://www.theguardian.com/environment/2013/aug/05/climate-change-pushing-marine-species-to-poles

By Helen Davidson

Rising ocean temperatures are rearranging the biological make-up of our oceans, pushing species towards the poles by 7kms every year, as they chase the climates they can survive in, according to new research.

The study, conducted by a working group of scientists from 17 different institutions, gathered data from seven different countries and found the warming oceans are causing marine species to alter their breeding, feeding and migration patterns.

Surprisingly, land species are shifting at a rate of less than 1km a year in comparison, even though land surface temperatures are rising at a much faster rate than those in the ocean.

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For the species that can’t keep moving towards the colder waters, this could have dire consequences.

“Some species like barnacles and lots of shellfish are constrained to living on the coast, so in places like Tasmania, if they’re already at the edge of the range there’s nowhere for them to go. You could potentially lose those,” said Brown.

Full Article at http://www.theguardian.com/environment/2013/aug/05/climate-change-pushing-marine-species-to-poles

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