Efforts To Suppress Salmon-Eating Northern Pike In Upper Columbia Successful, But Require Long-Term, Sustained Effort

Efforts to suppress northern pike in reservoirs upstream of Chief Joseph and Grand Coulee dams so far have been successful at keeping the voracious predator from populating waters downstream in what is considered the “anadromous zone” where it is feared the invasive fish would decimate salmon and steelhead runs in the Columbia River basin. Many of those anadromous fish are listed under the federal Endangered Species Act.

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