Fish Communities of the Buffalo River Basin and Nearby Basins of Arkansas and Their Relation to Selected Environmental Factors, 2001-2002 PDF Download
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Author: James Carroll Petersen
Publisher:
ISBN:
Category : Buffalo River (Ark.)
Languages : en
Pages : 108
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Book Description
Author: James Carroll Petersen
Publisher:
ISBN:
Category : Buffalo River (Ark.)
Languages : en
Pages : 108
Get Book Here
Book Description
Author: James Carroll Petersen
Publisher:
ISBN:
Category : Buffalo River (Ark.)
Languages : en
Pages : 112
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Book Description
Author: United States. National Park Service. Water Resources Division
Publisher:
ISBN:
Category : National parks and reserves
Languages : en
Pages : 144
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Book Description
Author: Henry W. Robison
Publisher: University of Arkansas Press
ISBN: 1682261034
Category : Science
Languages : en
Pages : 995
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Book Description
The second edition of Fishes of Arkansas, in development for more than a decade, is an extensive revision and expansion of the first edition, including reclassifications, taxonomic changes, and descriptions of more than thirty new species. An invaluable reference for anyone interested in the state’s fish population—from professional ichthyologists, fisheries biologists, and managers of aquatic resources, to amateur naturalists and anglers—this new edition provides updated taxonomic keys as well as detailed descriptions, photographs, and line drawings to aid identification of the state’s 243 fish species. There is also much information on the distribution and biology of each species, including descriptions of habitat, foods eaten, reproductive biology, and conservation status. This project and the preparation of this publication was funded in part by a grant from the Arkansas Game and Fish Commission.
Author: Barbara C. Scudder
Publisher: DIANE Publishing
ISBN: 1437921132
Category : Science
Languages : en
Pages : 86
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Book Description
Report on how mercury (Hg) was examined in top-predator fish, bed sediment, and water from streams that spanned regional and national gradients of Hg source strength and other factors thought to influence methylmercury bioaccum. Sampled settings include stream basins that were agr¿l, urbanized, undeveloped, and mined. Predator fish were targeted for collection, and composited samples of fish were analyzed for total Hg (THg), as most of the Hg found in fish tissue is MeHg. Samples of bed sediment and stream water were analyzed for THg, MeHg, and characteristics thought to affect Hg methylation, such as loss-on-ignition and acid-volatile sulfide in bed sediment, and pH, dissolved organic carbon, and dissolved sulfate in water. Illus.
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309082951
Category : Science
Languages : en
Pages : 449
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Book Description
The Clean Water Act (CWA) requires that wetlands be protected from degradation because of their important ecological functions including maintenance of high water quality and provision of fish and wildlife habitat. However, this protection generally does not encompass riparian areasâ€"the lands bordering rivers and lakesâ€"even though they often provide the same functions as wetlands. Growing recognition of the similarities in wetland and riparian area functioning and the differences in their legal protection led the NRC in 1999 to undertake a study of riparian areas, which has culminated in Riparian Areas: Functioning and Strategies for Management. The report is intended to heighten awareness of riparian areas commensurate with their ecological and societal values. The primary conclusion is that, because riparian areas perform a disproportionate number of biological and physical functions on a unit area basis, restoration of riparian functions along America's waterbodies should be a national goal.
Author: Leandro Miranda
Publisher:
ISBN: 9780692798720
Category :
Languages : en
Pages : 306
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Book Description
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309170036
Category : Science
Languages : en
Pages : 188
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Book Description
The Missouri River Ecosystem: Exploring the Prospects for Recovery resulted from a study conducted at the request of the U.S. Environmental Protection Agency and the U.S. Army Corps of Engineers. The nation's longest river, the Missouri River and its floodplain ecosystem experienced substantial environmental and hydrologic changes during the twentieth century. The context of Missouri River dam and reservoir system management is marked by sharp differences between stakeholders regarding the river's proper management regime. The management agencies have been challenged to determine the appropriate balance between these competing interests. This Water Science and Technology Board report reviews the ecological state of the river and floodplain ecosystem, scientific research of the ecosystem, and the prospects for implementing an adaptive management approach, all with a view toward helping move beyond ongoing scientific and other differences. The report notes that continued ecological degradation of the ecosystem is certain unless some portion of pre-settlement river flows and processes were restored. The report also includes recommendations to enhance scientific knowledge through carefully planned and monitored river management actions and the enactment of a Missouri River Protection and Recovery Act.
Author:
Publisher:
ISBN:
Category : Chlordan
Languages : en
Pages : 286
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Book Description
Author: James Carroll Petersen
Publisher:
ISBN:
Category : Water quality
Languages : en
Pages : 40
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Book Description
