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Biological metrics used in a USGS National Water Quality Project assessing nutrients in agricultural streams

Published by U.S. Geological Survey | Department of the Interior | Catalog Last Checked: September 10, 2026 at 07:58 PM | Dataset Last Updated: August 27, 2020 at 12:00 AM
This dataset includes algal and invertebrate metrics used to assess water quality conditions in agricultural streams of the Midwest. Data was collected in wadable streams from 2003 to 2008. Data includes two benthic algal metrics (percent eutrophic taxa and observed taxa/expected taxa) and two benthic invertebrate metrics (EPT taxa and observed taxa/expected taxa).

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