USGS - science for a changing world

Science Topics

Maps, Imagery, and Publications Hazards Newsroom Education Jobs Partnerships Library About USGS Podcasts/RSS

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
States or counties
Alternative formats of this information:
Compatible standard Format
CCM of Project Open Data JSON
ISO 19115 XML
USGS Publications Warehouse [Citation page] - [JSON]

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo logo U.S. Department of the Interior | U.S. Geological Survey
Page Contact Information: Ask USGS