Identifying nutrient reference sites in nutrient-enriched regions : using algal, invertebrate, and fish-community measures to identify stressor-breakpoint thresholds in Indiana rivers and streams, 2005-9 /

Bibliographic Details
Main Author:	Caskey, B. J. (Brian J.) (Author)
Format:	Government Document eBook
Language:	English
Published:	Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2013.
Series:	Scientific investigations report ; 2012-5243.
Subjects:	Aquatic ecology > Indiana. Nutrient pollution of water > Indiana. Fishes > Indiana. Aquatic invertebrates > Indiana. Rivers > Indiana.
Online Access:	https://purl.fdlp.gov/GPO/gpo34392 http://purl.fdlp.gov/GPO/gpo34392

Description
Item Description:	Title from title screen (viewed on Feb. 26, 2013). "Prepared in cooperation with the Indiana Department of Environmental Management, Office of Water Quality." Appendixes 1-11 contained in separate Excel document.
Physical Description:	1 online resource (vii, 28 pages) : color illustrations, color map.
Bibliography:	Includes bibliographical references (pages 23-27).