Land Use Concentration, graph 2

Ammonia and phosphorus concentrations are highest down stream from urban areas

This graph shows:
on the y–axis: Median concentration, in milligrams per litter as nitrogen or phosphorus.
on the x–axis: shows types of land use

Land Use Ammonia Total Phosphorus
Undeveloped 0.02 0.03
Agriculture 0.08 0.15
Urban 0.28 0.22

Note, the numbers are estimates based on visual study of the line graphs.

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