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An experiment to control nonnative fish in the Colorado River, Grand Canyon, Arizona

We removed non-native fish from a section of the river and the endangered native species humpback chub increased in abundance. But it is not yet clear that decreased competition explains the rebound in population.

by Coggins, Lewis G. Jr. and Yard, Michael D.
U.S. Geological Survey Fact Sheet 2011-3093
This publication is available only as a PDF document.
Related topics:
Aquatic biology, Community ecology, Endangered species, Fish, Fishery management, Nonindigenous species, Population dynamics
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