Instream Investigations in the Beaver Creek Watershed in West Tennessee, 1991-95 PDF Download
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Author:
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Category : Water quality
Languages : en
Pages : 42
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Book Description
Author:
Publisher:
ISBN:
Category : Water quality
Languages : en
Pages : 42
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Book Description
Author:
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ISBN:
Category : Beaver Creek Watershed (Carroll County, Tenn.)
Languages : en
Pages : 34
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Book Description
Author:
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ISBN:
Category : Hydrology
Languages : en
Pages : 292
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Book Description
Author: Geological Survey (U.S.)
Publisher:
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Category : Geology
Languages : en
Pages : 360
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Book Description
Author: Geological Survey (U.S.)
Publisher:
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Category : Geology
Languages : en
Pages : 322
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Book Description
Author: Robert B. Jacobson
Publisher: Geological Survey (USGS)
ISBN:
Category : Business & Economics
Languages : en
Pages : 76
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Author:
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Category : Nonpoint source pollution
Languages : en
Pages : 272
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Author:
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Category : Stream ecology
Languages : en
Pages : 82
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Book Description
Stream habitat is characterized in the U.S. Geological Survey's National Water-Quality Assessment (NAWQA) Program as part of an integrated physical, chemical, and biological assessment of the Nation's water quality. The goal of stream habitat characterization is to relate habitat to other physical, chemical, and biological factors that describe water-quality conditions. To accomplish this goal, environmental settings are described at sites selected for water-quality assessment. In addition, spatial and temporal patterns in habitat are examined at local, regional, and national scales. This habitat protocol contains updated methods for evaluating habitat in NAWQA Study Units. Revisions are based on lessons learned after 6 years of applying the original NAWQA habitat protocol to NAWQA Study Unit ecological surveys. Similar to the original protocol, these revised methods for evaluating stream habitat are based on a spatially hierarchical framework that incorporates habitat data at basin, segment, reach, and microhabitat scales. This framework provides a basis for national consistency in collection techniques while allowing flexibility in habitat assessment within individual Study Units. Procedures are described for collecting habitat data at basin and segment scales; these procedures include use of geographic information system data bases, topographic maps, and aerial photographs. Data collected at the reach scale include channel, bank, and riparian characteristics.
Author:
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Category :
Languages : en
Pages : 78
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Book Description
Author: National Agricultural Library (U.S.)
Publisher:
ISBN:
Category : Agricultural conservation
Languages : en
Pages : 380
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Book Description
"The bibliography is a guide to recent scientific literature covering effects of agricultural conservation practices on fish and wildlife. The citations listed here provide information on how conservation programs and practices designed to improve fish and wildlife habitat, as well as those intended for other purposes (e.g., water quality improvement), affect various aquatic and terrestrial fauna"--Abstract.
