News tagged with marine organisms

Blue light culprit in red tide blooms

Each year, phytoplankton blooms known as "red tides" kill millions of fish and other marine organisms and blanket vast areas of coastal water around the world. Though the precise causes of red tides remain a mystery, a team ...

Feb 23, 2012
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Even in winter, life persists in Arctic Seas

Despite brutal cold and lingering darkness, life in the frigid waters off Alaska does not grind to a halt in the winter as scientists previously suspected. According to preliminary results from a National ...

Feb 22, 2012
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Unprecedented, man-made trends in ocean's acidity

Recent carbon dioxide emissions have pushed the level of seawater acidity far above the range of the natural variability that existed for thousands of years, affecting the calcification rates of shell-forming ...

Jan 22, 2012
4 / 5 (20) 29 | with audio podcast

Sea cucumbers: Dissolving coral reefs?

Coral reefs are extremely diverse ecosystems that support enormous biodiversity. But they are at risk. Carbon dioxide emissions are acidifying the ocean, threatening reefs and other marine organisms. New research led by Carnegie's ...

Dec 22, 2011
5 / 5 (1) 0 | with audio podcast

Catching a coral killer

Coral reefs play an important role in marine ecosystems, so it's concerning to scientists, as well as ocean conservationists, that many coral reefs around the world are in distress or dying off.

Dec 20, 2011
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Survey identifies sea turtle 'hitchhikers'

A recent survey documented the crustaceans, mollusks, algae and other marine organisms that make a home on the bodies Olive Ridley and green sea turtles living in the Pacific.

Nov 08, 2011
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