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Once on the verge of extinction, the recovery of the sea otter is considered one of the greatest successes in marine conservation.. The sea otter (Enhydra lutris) is a marine mammal living near the shores of the North Pacific, from northern Japan, the Kuril Islands and Kamchatka east across the Aleutian Islands and along the North American coast to Mexico.
Today, the estuary is home to more than 120 otters and is the only one along the West coast that has been significantly colonized by southern sea otters.. And they love to eat green crabs. "Other ...
However, determining which factors contribute to shifting a kelp bed to an urchin barren is a complex problem and remains a matter of debate among scientists. Loss of "top" predators, particularly the historic hunting of sea otters (Enhydra lutris), has often been cited as a cause of these barrens.
The sea otter (Enhydra lutris) is a marine mammal native to the coasts of the northern and eastern North Pacific Ocean.Adult sea otters typically weigh between 14 and 45 kg (30 and 100 lb), making them the heaviest members of the weasel family, but among [3] the smallest marine mammals.
The return of sea otters and their voracious appetites has helped rescue a section of California marshland, a new study shows. Sea otters eat constantly and one of their favorite snacks is the ...
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One of the sea otters’ primary food sources is the sea urchin. When hunters caused sea otter populations to decline, an ecological release of sea urchin populations occurred. The sea urchins then overexploited their main food source, kelp, creating urchin barrens, areas of seabed denuded of kelp, but carpeted with urchins. No longer having ...
One example of the cascade effect caused by the loss of a top predator has to do with sea otters (Enhydra lutris).Starting before the 17th century and not phased out until 1911 when an international treaty was signed to prevent their further exploitation, sea otters were hunted aggressively for their pelts, which caused a cascade effect through the kelp forest ecosystems along the Pacific ...