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News Release 16-049

Evidence points to widespread loss of ocean oxygen by 2030s

Deoxygenation due to climate change threatens marine life

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crabs and fish on the bottom seafloor

Marine life moves much more slowly in a low-oxygen ocean.

Credit: NOAA


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mpa of the world showing the ocans and progressive declining oxygen levels

By the 2030s, declining oxygen levels will likely be evident in many of the world's oceans.

Credit: NCAR


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closeup image of a crab

How will species such as crabs fare in low oxygen seas? Scientists are working to find answers.

Credit: Wikimedia Commons


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Dungeness crabs washed up on a beach in Oregon

Dungeness crabs washed up on a beach in Oregon after suffocating in low-oxygen waters.

Credit: Elizabeth Gates, courtesy of PISCO.


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dead fish floating in the water

In ocean waters with less oxygen, fish kills are common.

Credit: NOAA


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cod swiming in the ocean.

Declining cod stocks may be further threatened by waters with low oxygen.

Credit: NOAA


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