Lake Tahoe's tiny creatures dying off at dramatic rate: scientist

January 22, 2015 4:35 AM

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Lake Tahoe's tiny creatures dying off at dramatic rate: scientist

(Reuters) - The smallest critters who occupy the bottom of the cold, clear waters of Lake Tahoe are dying off at an alarming rate and scientists are trying to find the cause to protect the fragile ecosystem of the lake high in the Sierra Nevada range.

Scuba divers completed a first-ever circumnavigation of the shallow areas and certain deep spots last fall, collecting data that showed population drops in eight kinds of invertebrates that are only thumbnail-sized and smaller, including some only found in Lake Tahoe.

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