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Nutrients in the Nation's streams and groundwater: National findings and implications

http://pubs.usgs.gov/fs/2010/3078/

Despite public sector efforts to reduce nonpoint-source nutrients in streams and rivers, concentrations have remained the same or increased, continuing to pose risks to aquatic life and human health.

by Dubrovsky, Neil M. and Hamilton, Pixie A.
U.S. Geological Survey Fact Sheet 2010-3078
Related topics:
Algae, Chemical analysis, Fish, Macroinvertebrates, Nitrogen, Nonpoint-source pollution, Phosphorus, Surface water quality, Water chemistry

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