Otters Restore Ocean Health

Date: 16/09/2013

The recovering numbers of sea otters in California’s Monterey Bay caused a remarkable recovery
of endangered sea grasses which provide food and shelter for a wide variety of marine wildlife, a study by University of California researchers found. Sea grasses around the world, which provide habitats for a range of animals, are threatened by agricultural run-off causing an explosion of algae, blocking out sunlight. The revived California otter population kept down the numbers of crabs, which had been devouring the slugs and snails that in turn fed on the algae.

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