Research Task: RB00CM8.2.0
Task Manager: Jeanette (Carpenter) Haegele
Recovery efforts for native fish within the Southwest have included native fish stocking and repatriation, stream-barrier construction to prevent invasion of non-natives, habitat restoration, and chemical and mechanical removal of non-native predators. The effectiveness of these techniques over extended time periods is a function of both the engineering effectiveness of construction and mechanical removal practices, and ecological interactions that occur over multiple spatial scales. In order to improve the effectiveness of restoration efforts and assist State and Federal agencies responsible for implementing management actions, FORT scientists are working with these agencies to conduct research to identify the life histories, habitat requirements, and ecological roles of native fish as well as their interactions with introduced species. Recent studies have examined the role of introduced fish predation on native fish recovery and investigated the impacts of crayfish on habitat characteristics, such as in-stream vegetative cover and the population structure of southwestern native fish. The long-term effectiveness of various combinations of different barrier designs and chemical renovation approaches is being compared across a multistate area. Cooperators include the U.S. Bureau of Reclamation, U.S. Fish and Wildlife Service, University of Arizona, and several State game and fish departments.
For more information contact Jeanette (Carpenter) Haegele
U.S. Department of the Interior | U.S. Geological Survey
URL: http://www.fort.usgs.gov/Research/research_tasks.asp
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