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United States Environmental Protection Agency
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Search Results for the EPA National Library Catalog
Items Found: 17
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Your Search: (AUTHOR=Karr AND J. AND R.)
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Alternative policies for controlling nonpoint agricultural sources of water pollution /
Biological criteria : technical guidance for streams and small rivers /
Biological Criteria: Technical Guidance for Streams and Small Rivers.
Biological Monitoring and Environmental Assessment: A Conceptual Framework.
Charting a Course toward Diagnostic Monitoring: A Continuing Review of Coral Reef Attributes and a Research Strategy for Creating Coral Reef Indexes of Biotic Integrity.
Determinants of water quality in agricultural watersheds
Effects of Chlorine and Ammonia from Wastewater Treatment Facilities on Biotic Integrity.
Evaluation of an index of biotic integrity : temporal variability and regional application in the midwest /
Fish Communities of Midwestern Rivers: A History of Degradation.
Habitat structure and fish communities of warmwater streams /
Impact of nearstream vegetation and stream morphology on water quality and stream biota /
Regional Application of an Index of Biotic Integrity Based on Stream Fish Communities.
Regional Applications of an Index of Biotic Integrity for Use in Water Resource Management.
Relationships between Woody Debris and Fish Habitat in a Small Warmwater Stream.
Riparian Vegetation and Channel Morphology Impact on Spatial Patterns of Water Quality in Agricultural Watersheds.
Stochasticity in Stream Fish Communities: An Alternative Interpretation.
Water Quality in Agricultural Watersheds: Impact of Riparian Vegetation during Base Flow.
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