2007 Lake Davis Pike Eradication Project-Lake Treatment

California Department of Fish and Game, South Coast Region

Global Positioning System tracks on Lake Davis represent how the California Department of Fish and Game applied the chemical rotenone to rid the reservoir of the predatory and invasive northern pike (Esox lucius). Pike have adversely affected the Lake Davis trout fishery and the associated local economy. If pike escape or are moved from the reservoir, they could endanger fish populations in other waters where they become established. For example, pike have the potential to cause irreversible damage in portions of California's Feather, Sacramento, and San Joaquin river systems; the Sacramento-San Joaquin Delta; as well as many other waters of the state and region.

Courtesy of California Department of Fish and Game.

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Environmental Management

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