Low oxygen levels, coral bleaching getting worse in oceans

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WASHINGTON (AP) - Two new studies show the oceans are sicker, depleting them of oxygen and harming delicate coral reefs more often.

The researchers said the lower oxygen levels are making marine life far more vulnerable. They said the problem is worsening and more complex than previously thought.

Oxygen is crucial for nearly all life in the oceans, except for a few microbes

A second study finds that severe bleaching outbreaks are hitting coral reefs four times more often than before as waters warm.

Both studies are in Thursday's edition of the journal Science.



 
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