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Geese Blamed for Lake Tahoe Pollution
June 14, 2006
South Lake Tahoe, Calif. (AP) -- Officials are looking to capture some of Lake Tahoe's biggest polluters: Canada geese
A sewage spill at the lake last summer "is nothing compared to what's happening with these geese," said Jack Spencer, a federal Department of Agriculture wildlife biologist.
Spencer said the bottom of Lake Tahoe is covered by up to two inches of goose feces in some areas. A 10-pound Canada goose can produce four pounds of nitrate- and phosphate-rich feces every day it waddles across the beaches, lawns and golf courses of Tahoe.
The birds find refuge on Tahoe, one of the most protected lakes in the nation, when they molt their primary wing feathers in the spring and can't fly.
Spencer and other biologists from USDA Wildlife Services hope to trap up to 400 Canada geese at several Tahoe locations this week, at the request of property owners and managers.
"We only work where we are wanted, where there is damage occuring," Spencer said.
The geese will be innoculated for disease and released to a wildlife management area in eastern Nevada. About 1 percent of juveniles may return, and about 15 percent of adults will return.
The birds are protected by the Federal Migratory Bird Act, but can be hunted.
In recent years, rules have loosened to help urban areas deal with the birds.
The Tahoe roundup is part of a regionwide effort. The geese also pose a threat to jets flying in and out of the Reno Airport, Spencer said.
Canada geese have stopped migrating in a triangle that includes Tahoe, Reno and Carson City. Abundant food sources from turf landscaping has resulted in increased densities within that triangle.
"I guarantee you, in the old days, Lake Tahoe was just a stopover place," Spencer said.
Fifteen agencies are involved in the roundup, including the Humane Society, which will provide food for the captured birds
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