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|Material Type:||Government publication, National government publication, Internet resource|
|Document Type:||Book, Internet Resource|
|All Authors / Contributors:||
Charles H Walburg; U.S. Fish and Wildlife Service. East Central Reservoir Investigations.; National Reservoir Research Program (U.S. Fish and Wildlife Service); United States. Army. Office of the Chief of Engineers.; Environmental Laboratory (U.S. Army Engineer Waterways Experiment Station); et al
|Notes:||Cover title; title page missing?
"Prepared by U.S. Dept. of Interior, Fish and Wildlife Service, National Reservoir Research Program, East Central Reservoir Investigations, and Environmental Laboratory, U.S. Army of Engineer Waterways Experiment Station."--Preface.
"Prepared for Office, Chief of Engineers, U.S. Army under EWQOS Task IIB."
"This study forms part of the Environmental and Water Quality Operational Studies (EWQOS), Task IIB, Reservoir Releases"--Preface.
|Reproduction Notes:||Photoreproduction. Springfield, Va. : National Technical Information Service, [1981?].|
|Description:||189,  pages : map ; 28 cm.|
|Series Title:||Technical report E, 81-12.; Technical report (U.S. Army Engineer Waterways Experiment Station), E-81-12.|
|Responsibility:||Charles H. Walburg ... et al.|
This document presents a review of the often contradictory literature describing the effects of release waters on the tailwater environment and biota. The physical and chemical conditions found in tailwaters downstream from warmwater and coldwater discharge impoundments are compared and contrasted to those found in natural streams. Reservoir discharges modify the physical, chemical, and biological characteristics of the stream ecosystem. Physical and chemical characteristics in tailwaters are primarily determined by the depth, volume, and schedule of water releases. The magnitude of change is related to the type of reservoir and to the design and operation of outlet structures. The structure of the biotic community reflects the physical and chemical conditions existing in a particular tailwater. The community is composed of organisms, including nonnative species, that are adapted to this environment. The effects of the tailwater environment on the life history, physiology, and abundance of selected species are described.
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