Ocean acidification

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Ocean acidification

Ocean acidification oaiccproject@gmail.com via google.com
12:03 AM (5 minutes ago)

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Ocean acidification

Acid Ocean trailer (video)

Posted: 25 Oct 2013 06:19 AM PDT



Scientists unlock the secrets of ocean acidification, one of the biggest environmental challenges facing our planet today.

From the icy polar seas to the world’s most pristine coral reefs, ACID OCEAN tracks the latest in marine scientific research. It meets an Australian scientist whose unique discovery opens a window to the future of our oceans.

As carbon emissions rise and the world’s oceans absorb an increasing amount of carbon dioxide, scientist fear thousands of species are in danger. The seawater chemistry is changing. And in increasingly acidic waters, marine animals can’t form the skeletons and shells vital for their survival.

Already the multi million dollar shellfish industry in America’s Pacific North West teeters on the brink of disaster as millions of oyster larvae are unable to make their shells.

Among the volcanic islands of Milne Bay, Papua New Guinea, Australian coral ecologist Dr Katharina Fabricius and her team from the Australian Institute of Marine Science are working in an extraordinary natural laboratory — a stunning coral garden where tiny bubbles of pure CO2 erupt from cracks in the ocean floor. The water chemistry here is what’s predicted for much of the ocean at the end of the century. The team conducts a raft of experiments, studying the impact of acidity on coral diversity, young corals and the resilience of fish, with fascinating results.

And it’s not just coral reef systems facing danger. Polar expert Dr Donna Roberts is studying how ocean acidification will affect tiny pteropods, or sea butterflies, a crucial food source for many fish. The news is not all bad. In the US, Dr Gretchen Hofmann has found some marine creatures are using genetic tools to adapt to the higher acidity.

With the clock ticking, the teams of marine scientists face the test of their careers. Can they uncover the secrets of the acid ocean and will these incredible marine creatures adapt and evolve to survive potential disaster?

Producer/Director Sally Ingleton, 360 Degree Films, 2013. Video.


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