Beavers reshape landscapes with their dams. Wolves control elk populations. Sea otters protect kelp forests by eating sea urchins. These are what ecologists call "keystone" species: critters that control an ecosystem and ...
Ecology
Sep 12, 2013
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Scientists studying the decline and recovery of seagrass beds in one of California's largest estuaries have found that recolonization of the estuary by sea otters was a crucial factor in the seagrass comeback. Led by researchers ...
Ecology
Aug 26, 2013
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Scientists have found an entirely new genetic route by which a now-banned chemical causes sexual and hormonal disruption in a marine mollusc.
Ecology
May 23, 2013
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(Phys.org) —In 1972, a U.S. Senate committee reported, "Many of the great whales which once populated the oceans have now dwindled to the edge of extinction," due to commercial hunting. The committee also worried about ...
Ecology
Apr 11, 2013
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(Phys.org)—Can an abundance of sea otters help reverse a principal cause of global warming?
Environment
Sep 7, 2012
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The southern sea otter population continues its pattern of tepid recovery, according to the latest population survey led by scientists with the U.S. Geological Survey, UC Santa Cruz, and the California Department of Fish ...
Ecology
Aug 22, 2012
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(PhysOrg.com) -- Parasites and pathogens infecting humans, pets and farm animals are increasingly being detected in marine mammals such as sea otters, porpoises, harbour seals and killer whales along the Pacific coast of ...
Ecology
Feb 20, 2012
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A simple phone call about dead sea otters washing up on the shores of Alaska after US nuclear tests lead to the birth of environmental organization Greenpeace four decades ago.
Environment
Sep 12, 2011
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Preserving just 4 percent of the ocean could protect crucial habitat for the vast majority of marine mammal species, from sea otters to blue whales, according to researchers at Stanford University and the National Autonomous ...
Ecology
Aug 29, 2011
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(AP) -- From sea otters to blue whales, marine mammals are under stress from climate change, ocean acidification, hunting and other threats. Researchers have identified 20 important sites around the world where they say ...
Ecology
Aug 1, 2011
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