Biological-community composition in small streams and its relations to habitat, nutrients, and land use in agriculturally dominated landscapes in Indiana and Ohio, 2004, and implic...

by Caskey, B. J.
Published: U.S. Geological Survey, 2009

Relations of principal components analysis site scores to algal-biomass, habitat, basin-characteristics, nutrient, and biological-community data in the Whitewater River and East Fo...

by Caskey, B. J.
Published: U.S. Dept. of the Interior, U.S. Geological Survey, 2007

Identifying nutrient reference sites in nutrient-enriched regions : using algal, invertebrate, and fish-community measures to identify stressor-breakpoint thresholds in Indiana riv...

by Caskey, B. J.
Published: U.S. Department of the Interior, U.S. Geological Survey, 2013

Breakpoint analysis and assessment of selected stressor variables on benthic macroinvertebrate and fish communities in Indiana streams implications for developing nutrient criteria

by Caskey, B. J.
Published: U.S. Dept., of the Interior, U.S. Geological Survey, 2010

Occurrence of invertebrates at 38 stream sites in the Mississippi embayment study unit, 1996-99

by Caskey, B. J.
Published: U.S. Geological Survey, 2002

Relations of stream fish communities to physical and chemical parameters and land use in the Mississippi alluvial plain ecoregion

by Caskey, B. J.
Published: U.S. Dept. of the Interior, U.S. Geological Survey ; Branch of Information Services [distributor], 2003

Relations of principal components analysis site scores to algal-biomass, habitat, basin-characteristics, nutrient, and biological-community data in the West Fork White River basin,...

by Frey, Jeffrey W.
Published: U.S. Dept. of the Interior, U.S. Geological Survey, 2007

Breakpoint analysis and relations of nutrient and turbidity stressor variables to macroinvertebrate integrity in streams in the Crawford-Mammoth Cave Uplands ecoregion, Kentucky, f...

by Crain, Angela S.
Published: U.S. Dept. of the Interior, U.S. Geological Survey, 2010