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Federal
WetlandNNI: Quantification of hydrologic interception of nitrogen and phosphorus (National Nutrient Inventory) by conterminous U.S. wetlands (1987-2017)
U.S. Environmental Protection Agency —
Wetlands provide numerous critical functions, including nutrient cycling and water quality improvement, that have made them a critical component of many state and... -
Federal
Where have all the nutrients gone? Long-term Decoupling of Inputs and Outputs in the Willamette River Watershed, Oregon, USA
U.S. Environmental Protection Agency —
The following 4 tables accompany the peer-reviewed journal article GS Metson, J Lin, JE Compton, JA Harrison. Where have all the nutrients gone? Long-term Decoupling... -
Federal
Data for Grassland-to-cropland conversion increased soil, nutrient, and carbon losses in the US Midwest between 2008 and 2016
U.S. Environmental Protection Agency —
These are the soil quality data for each county (listed by fips code) for each scenario. This dataset is associated with the following publication: Zhang, X., T.... -
Federal
Dataset 1: Studies included in literature review
U.S. Environmental Protection Agency —
This dataset contains the results of a literature review of experimental nutrient addition studies to determine which nutrient forms were most often measured in the... -
Federal
A spatially explicit, empirical estimate of biological nitrogen fixation in forests of the United States
U.S. Environmental Protection Agency —
The supplementary information provides details on the methods used to find the basal area-BNF rate regression, the specific literature that was used to derive both... -
Federal
A Nitrogen Physical Input-Output Model for Illinois
U.S. Environmental Protection Agency —
This file provides all the data that was used to estimate the physical input outputs for the State of Illinois. The attached paper describes how the data was...