By Jeff Barnard
AP Environmental Writer
November 25, 2009
GRANTS PASS, Ore. -- Toxins from a blue-green algae plaguing lakes and rivers around the West have been found in endangered fish in the Klamath Basin, adding another obstacle to restoring species that have forced irrigation shutoffs for farmers.
U.S. Geological Survey fish biologist Scott VanderKooi said Wednesday they have found the toxin in the damaged livers of young Lost River and shortnosed suckers in Upper Klamath Lake.
The lake is the main irrigation reservoir for more than 1,000 farms in the upper Klamath Basin, and a drought in 2001 forced irrigation cutbacks to keep enough water in the lake for the endangered fish.
Health warnings prompted by blooms of the algae microsystin have been increasing around the West, including 21 this year in Oregon.
Toxins found in endangered fish in Upper Klamath Lake
November 25, 2009
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