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Effects Of Reservoir Releases On Tailwater Ecology
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Book Synopsis Effects of Reservoir Releases on Tailwater Ecology by :
Download or read book Effects of Reservoir Releases on Tailwater Ecology written by and published by . This book was released on 1981 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Effects of Reservoirs Releases on Tailwater Ecology: A Literature Review by : Charles H. Walburg
Download or read book Effects of Reservoirs Releases on Tailwater Ecology: A Literature Review written by Charles H. Walburg and published by . This book was released on 1981 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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. This information will aid in the development of reservoir discharge guidelines that will enhance the quality of the tailwater environment to increase project benefits. (Author).
Book Synopsis Effects of Reservoir Releases on Water Quality, Macroinvertebrates, and Fish in Tailwaters: Field Study Results by :
Download or read book Effects of Reservoir Releases on Water Quality, Macroinvertebrates, and Fish in Tailwaters: Field Study Results written by and published by . This book was released on 1983 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report summarizes field investigations conducted at seven reservoirs in 1979 and 1980 to determine the effect of reservoir releases on tailwater biota. The study sites differ greatly in project purpose, depth of water release from the reservoir, and location and are representative of many U.S. Army Corps of Engineers reservoirs throughout the United States. Studies were conducted in tailwaters below both flood-control and peaking hydropower projects. Effects of reservoir discharge were most evident near the dams where environmental stress was most severe; farther downstream the effect were moderated. The invertebrate and fish communities in tailwaters were affected most by the temperature, volume, and timing of the discharges. High levels of iron and manganese occurred in most tailwaters, but their effects on invertebrates and fish were not addresed in this study. The numbers of invertebrate and fish species were largest in tailwaters of flood-control projects with warmwater release and smallest in tailwaters of large hydropower projects.
Book Synopsis Proceedings of the Tailwater Ecology Workshop by :
Download or read book Proceedings of the Tailwater Ecology Workshop written by and published by . This book was released on 1990 with total page 94 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Development of a Simplified Approach for Assessing the Effects of Water Release Temperatures on Tailwater Habitat Downstream of Fort Peck, Garrison, and Fort Randall Dams by : John M. Nestler
Download or read book Development of a Simplified Approach for Assessing the Effects of Water Release Temperatures on Tailwater Habitat Downstream of Fort Peck, Garrison, and Fort Randall Dams written by John M. Nestler and published by . This book was released on 1993 with total page 250 pages. Available in PDF, EPUB and Kindle. Book excerpt: Increased water resources demand in the main stem Missouri River regulated by Corps of Engineers dams has intensified the conflict between the economic benefits of stream regulation and the need to protect natural river ecosystems. Credible predictive tools that can be quickly and easily applied are required to explore and screen alternative reservoir operating plans to determine the downstream water temperature effects on tailwaters supporting temperature-sensitive fishes. The screening model was developed in a two-step process. First, a one-dimensional, longitudinal, riverine model, CE-QUAL-RIV1, was used to predict the downstream water temperature in the 52-mile tailwater of Fort Randall Dam, the 70-mile tailwater of Garrison Dam, and the 186-mile tailwater of Fort Peck Dam on the Missouri River. The power of the comprehensive water-quality model was required to predict the complex downstream water temperature patterns resulting from variable year-to-year stratification, complex peaking hydropower release patterns, and variable meteorologic conditions. Downstream water temperatures were simulated for 108 scenarios for each tailwater, covering the expected range of boundary conditions. Second, the output from the 108 scenarios for each tailwater was statistically evaluated to identify major trends and patterns in the results. CE-QUAL-RIV1, Garrison Dam, Water temperature, Fort Randall Dam, Missouri River, Fort Peck Dam, Tailwaters.
Book Synopsis Effects of Water Levels on Ecosystems by : Joseph H. Wlosinski
Download or read book Effects of Water Levels on Ecosystems written by Joseph H. Wlosinski and published by . This book was released on 1996 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Compilation Report on the Effects of Reservoir Releases on Downstream Ecosystems by : Edward Cheslak
Download or read book Compilation Report on the Effects of Reservoir Releases on Downstream Ecosystems written by Edward Cheslak and published by . This book was released on 1990 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Environmental & Water Quality Operational Studies by :
Download or read book Environmental & Water Quality Operational Studies written by and published by . This book was released on 1984-09 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Reservoir Releases on Water Quality, Macroinvertebrates, and Fish in Tailwaters by :
Download or read book Effects of Reservoir Releases on Water Quality, Macroinvertebrates, and Fish in Tailwaters written by and published by . This book was released on 1983 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ecological Indicators by : Daniel H. McKenzie
Download or read book Ecological Indicators written by Daniel H. McKenzie and published by Springer. This book was released on 2012-12-06 with total page 858 pages. Available in PDF, EPUB and Kindle. Book excerpt: Today environmental problems of unprecedented magnitude confront planet earth. The sobering fact is that a whole range of human activities is affecting our global environment as profoundly as the billions of years of evolution that preceded our tenure on Earth. The pressure on vital natural resources in the developing world and elsewhere is intense, and the destruction of tropical forests, wildlife habitat, and other irreplaceable resources, is alarming. Climate change, ozone depletion, loss of genetic diversity, and marine pollution are critical global environmental concerns. Their cumulative impact threatens to destroy the planet's natural resources. The need to address this situation is urgent. More than at any previous moment in history, nature and ecological systems are in human hands, dependent on human efforts. The earth is an interconnected and interdependent global ecosystem, and change in one part of the system often causes unexpected change in other parts. Atmospheric, oceanic, wetland, terrestrial and other ecological systems have a finite capacity to absorb the environmental degradation caused by human behavior. The need for an environmentally sound, sustainable economy to ease this degradation is evident and urgent. Policies designed to stimulate economic development by foregoing pollution controls both destroy the long-term economy and ravage the environment. Over the years, we have sometimes drawn artificial distinctions between the health of individuals and the health of ecosystems. But in the real world, those distinctions do not exist.
Book Synopsis Riverine Ecology Volume 1 by : Susanta Kumar Chakraborty
Download or read book Riverine Ecology Volume 1 written by Susanta Kumar Chakraborty and published by Springer Nature. This book was released on 2021-03-01 with total page 592 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is part of a two-volume set that offers an innovative approach towards developing methods and tools for assigning conservation categories of threatened taxa and their conservation strategies by way of different phases of eco-restoration in the context of freshwater river systems of tropical bio-geographic zones. The set provides a considerable volume of research on the biodiversity component of river ecosystems, seasonal dynamics of physical chemical parameters, geo-hydrological properties, types, sources and modes of action of different types of pollution, river restoration strategies and methodologies for the ongoing ecological changes of river ecosystems. Volume 1 provides an in-depth analysis of different theories with international relevance pertaining to the functioning of river ecosystems, shaping their structure and contributing ecological services, and includes the principles of riverine ecology such as biogeochemical cycles, physiography, hydrogeology, and physico-chemical parameters. It covers the basic concepts and principles of water within riverine ecosystems, and the underlying ecological principles operating to ensure ecological stability and sustainability of the fluvial ecosystem. The book explains the ecofunctionality of different geo-morphological, geo-hydrological and physico-chemical factors and processes in changing time scales and spaces, with special emphasis on the tropical fresh water rivers in India.
Book Synopsis Handbook on Reservoir Releases for Fisheries and Environmental Quality by : John M. Nestler
Download or read book Handbook on Reservoir Releases for Fisheries and Environmental Quality written by John M. Nestler and published by . This book was released on 1986 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Microbial Processes in Reservoirs by : D. Gunnison
Download or read book Microbial Processes in Reservoirs written by D. Gunnison and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt: The idea of producing a book on the activities of sence of bottom versus surface withdrawal all have microorganisms in reservoirs had its origins in an a bearing on microbial processes. In addition, res article published by the editor in ASM News (De ervoirs are often constructed in areas where there cember 1981, 47:527-531). Many individuals ex are few, if any, natural lakes . In this regard, reser pressed an interest in having the article expanded voirs are also often distinct from natural lakes, and into a book on this subject. Several people were that meteorologic, hydrologic, geo to the extent contacted and asked if they would be willing to logic, and edaphic factors make a difference, reser contribute chapters to the book. The interest dis voir microbiology will also be different. Finally, the played by many persons outside the area of reser creation of a new reservoir offers the sediment voir microbiology was encouraging, as was the in microbiologist a unique opportunity to view the spiration of the contributors themselves. We were transformation of terrestrial environments into subsequently approached by Dr. L. Harold Steven aquatic ecosystems.
Download or read book Technical Abstract Bulletin written by and published by . This book was released on 1981 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Environmental & Water Quality Operational Studies by :
Download or read book Environmental & Water Quality Operational Studies written by and published by . This book was released on 1982-03 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fisheries and Wildlife Research by :
Download or read book Fisheries and Wildlife Research written by and published by . This book was released on 1981 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt: Report on activities in the divisions of research.
Book Synopsis Perspectives in Southern Hemisphere Limnology by : Bryan R. Davies
Download or read book Perspectives in Southern Hemisphere Limnology written by Bryan R. Davies and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains the Proceedings of the Symposium on Perspectives in Southern Hemisphere Limnology which was held from 3-13 July 1984 in Wilderness, South Africa. It can be asked why this Symposium was necessary at a time when conferences, symposia and other gatherings of learned people abound. Limnologists in the Southern Hemisphere have for some time been pointing out that limnological theory and inland water management practices have been developed almost exclusively in Northern Hemisphere temperate latitudes. Most of the land masses of the Southern Hemisphere fall within lower latitudes, 0 from 20-40 S, where the climate tends to be dry, with low cloud cover and with high levels of incident radiation and high water temperatures. Wide extremes are experienced in both rainfall and runoff, which occur mainly in summer. Sedimentary geological structures give rise to dispersive soils and highly turbid waters. Physiological, behavioural or developmental adaptations in the floral and faunal components are necessary to cope with desiccation and low visibility.
