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Map: Short-Term Trend in Flow-Adjusted Total Phosphorus Concentration, 2003-2012

Short Term Trend: Over the past 10 years, 63 percent of the monitoring stations show little or no change in flow-adjusted phosphorus concentrations. Between 2003 and 2012: - 9 out of 43 sites show improving flow-adjusted trends for phosphorus concentrations, - 7 site shows degrading trends, and - 27 sites show small changes that are not statistically significant.

Author: USGS

Date created: Jan 02 2014 / Download ( 398.33 KB )

Short-Term Trend in Flow-Adjusted Total Phosphorus Concentration, 2003-2012
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