Saturday, March 28, 2015

Oceans Are Losing Oxygen and Becoming More Hostile to Life

By Craig Welch, for National Geographic
March 28,2015; 6:48AM,EDT
 
 
The following is an excerpt from National Geographic.
"Marlin and sailfish are the oceans perfect athletes. A marlin can outweigh a polar bear, leap through the air, and traverse the sea from Delaware to Madagascar. Sailfish can outrace nearly every fish in the sea. Marlin can hunt in waters a half mile down, and sailfish often head to deep waters too."
Credit: Andy Murch, Visuals Unlimited/Corbis
"Yet in more and more places around the world, these predators are sticking near the surface, rarely using their formidable power to plunge into the depths to chase prey."
"The discovery of this behavioral quirk in fish built for diving offers some of the most tangible evidence of a disturbing trend: Warming temperatures are sucking oxygen out of waters even far out at sea, making enormous stretches of deep ocean hostile to marine life."

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