| Breakpoint Analysis and Relations of Nutrient and Turbidity Stressor Variables to Macroinvertebrate Integrity in Streams in the Crawford-Mammoth Cave Contributor(s): U. S. Department of the Interior (Author) |
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ISBN: 1499529996 ISBN-13: 9781499529999 Publisher: Createspace Independent Publishing Platform OUR PRICE: $16.14 Product Type: Paperback Published: July 2014 |
| Additional Information |
| BISAC Categories: - Reference |
| Physical Information: 0.09" H x 8.5" W x 11.02" (0.27 lbs) 42 pages |
| Descriptions, Reviews, Etc. |
| Publisher Description: To assist Kentucky in refining numeric nutrient criteria in the Pennyroyal Bioregion, the U.S. Geological Survey and the Kentucky Division of Water collected and analyzed water chemistry, turbidity, and biological-community data from 22 streams throughout the Crawford-Mammoth Cave Upland ecoregion (U.S. Environmental Protection Agency Level IV Ecoregion, 71a) within the Pennyroyal Bioregion from September 2007 to May 2008. Statistically significant and ecologically relevant relations among the stressor (total phosphorus, total nitrogen, and turbidity) variables and response (macroinvertebrate-community attributes) variables and the breakpoint values of biological-community attributes and metrics in response to changes in stressor variables were determined. |