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California
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State of California Parks

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USA Parks
California
Central Coast & Central Valley Region
Kesterson National Wildlife Refuge
Kesterson National Wildlife Refuge 002 American Avocet © Michael R Duncan
The adult breeding male American Avocet. Photography by Michael R Duncan
Kesterson National Wildlife Refuge 005 Least Sandpiper © Michael R Duncan
The Least Sandpiper in flight. Photography by Michael R Duncan
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KESTERSON NATIONAL WILDLIFE REFUGE
KESTERSON NATIONAL WILDLIFE REFUGE
c/o San Luis NWR Complex
Los Banos, California   93935

Phone: 209-826-3508
The Kesterson National Wildlife Refuge is an artificial wetlands environment, created using agricultural runoff from farmland in California's Central Valley.

The irrigation water is transported to the valley from sources in the Sierra Nevada mountains via the California Aqueduct. Minerals from these sources are carried in the water and concentrated by evaporation from aqueducts, canals, and fields, which has resulted in an accumulation of selenium and other minerals in the wetlands. Wildlife in this region suffered deformities due to selenium poisoning, drawing the attention of news media and leading to the closure of the refuge.




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7765 Campground Road
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209-643-6056
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California
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State of California Parks

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