02023nam 2200493 450 991070433350332120130320105142.0(CKB)5470000002440352(OCoLC)828509868(EXLCZ)99547000000244035220130226d2013 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierIdentifying 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 /by Brian J. Caskey [and five others]Reston, Virginia :U.S. Department of the Interior, U.S. Geological Survey,2013.1 online resource (vii, 28 pages) color illustrations, color mapScientific investigations report ;2012-5243Title 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.Includes bibliographical references (pages 23-27).Identifying nutrient reference sites in nutrient-enriched regions Aquatic ecologyIndianaNutrient pollution of waterIndianaFishesIndianaAquatic invertebratesIndianaRiversIndianaAquatic ecologyNutrient pollution of waterFishesAquatic invertebratesRiversCaskey B. J(Brian J.),1388621Indiana.Office of Water Quality,Geological Survey (U.S.),GPOGPOBOOK9910704333503321Identifying nutrient reference sites in nutrient-enriched regions3439428UNINA