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Federal
Estimated Animal Agriculture Nitrogen and Phosphorus from Manure
U.S. Environmental Protection Agency —
Animal agriculture manure is a primary source of nitrogen and phosphorus to surface and groundwater. Manure runoff from cropland and pastures or discharging animal... -
Federal
Estimated Total Nitrogen and Total Phosphorus Loads and Yields Generated within States
U.S. Environmental Protection Agency —
Estimated state-wide total nitrogen (TN) and total phosphorus (TP) loads and yields, as predicted by the 2012 regional USGS SPARROW models.Excess nitrogen and... -
Federal
Commercial Phosphorus Fertilizer Purchased
U.S. Environmental Protection Agency —
Amounts of fertilizer P2O5 purchased by states in individual years 2003, 2005, 2007, 2009 and 2011, and the % change in average amounts purchased per year from... -
Federal
Data from 92 sediment incubation experiments using sediments collected from the Fox and Duck rivermouths (adjacent to Green Bay, Lake Michigan)
Department of the Interior —
This dataset contains measurements of water chemistry taken from experimental incubation of sediment cores collected from the Fox and Duck rivermouths during the 2016...