Oxygen-Deprived Dead Zones: Q & A

bay-of-biscay-france
Bay of Biscay, France. Some algae and plankton blooms can turn dangerous, either through the production of chemical toxins or by severely depleting the oxygen supply in the ocean and creating “dead zones” that suffocate marine creatures. Captions and Photo source: NASA / Earth Observatory

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There are more than 400 known dead zones worldwide, covering about 1 percent of the area along the continental shelves. That number is almost certainly a vast undercount, however, since researchers have yet to adequately study large parts of Africa, South America and Asia…

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‘Dead zone’ In The Gulf Of Mexico Is The Size Of Connecticut, Reuters

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