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National Academies of Sciences, Engineering, and Medicine; Division on Earth and Life Studies; Water Science and Technology Board; Committee to Review the New York City Watershed Protection Program. Review of the New York City Watershed Protection Program. Washington (DC): National Academies Press (US); 2020 Aug 10.

Cover of Review of the New York City Watershed Protection Program

Review of the New York City Watershed Protection Program.

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FIGURE 5-2. Boxplot (showing the first-, median-, and third-quartiles box, and 90th percentile-whisker) of all 10,041 soil-test phosphorus values (lbs/ac) from the Cannonsville Reservoir watershed.

FIGURE 5-2Boxplot (showing the first-, median-, and third-quartiles box, and 90th percentile-whisker) of all 10,041 soil-test phosphorus values (lbs/ac) from the Cannonsville Reservoir watershed

The dashed horizontal line is the lower limit of “very high” phosphorus values (39 lbs/ac) and the dotted horizontal line is the lower limit of the “high” category of phosphorus values (9 lbs/ac). Note that the boxplot is constructed on a logarithmic scale.

From: 5, Watershed Agricultural Program

Copyright 2020 by the National Academy of Sciences. All rights reserved.

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