Identifying nutrient reference sites in nutrient-enriched regions
Subtitle: using algal, invertebrate, and fish-community measures to identify stressor-breakpoint thresholds in Indiana rivers and streams, 2005-2009
By: by Brian J. Caskey ... [et al.] ; prepared in cooperation with the Indiana Department of Environmental Management, Office of Water Quality
Contributors: Indiana. Office of Water Quality; Geological Survey (U.S.)
Series: Scientific investigations report -- 2012-5243
Publisher: U.S. Dept. of the Interior, U.S. Geological Survey
Published: 2013
Place of publication: Reston, Va
Language: eng
Number of pages: 28
Subjects: Water quality biological assessment; Nutrient pollution of water; Water quality
Notes: Appendices 1-11 appear on the accompanying CD-ROM.

Includes bibliographical references (p. 23-27).

Also available via Internet.