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Climate change: Pacific Ocean acidity dissolving shells of key species

May 4, 2014

Full Article at http://www.mercurynews.com/science/ci_25664175/climate-change-pacific-ocean-acidity-dissolving-shells-key

By Paul Rogers

In a troubling new discovery, scientists studying ocean waters off California, Oregon and Washington have found the first evidence that increasing acidity in the ocean is dissolving the shells of a key species of tiny sea creature at the base of the food chain.

The animals, a type of free-floating marine snail known as pteropods, are an important food source for salmon, herring, mackerel and other fish in the Pacific Ocean. Those fish are eaten not only by millions of people every year, but also by a wide variety of other sea creatures, from whales to dolphins to sea lions.

If the trend continues, climate change scientists say, it will imperil the ocean environment.

Full Article at http://www.mercurynews.com/science/ci_25664175/climate-change-pacific-ocean-acidity-dissolving-shells-key

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