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 of Inputs and Outputs in the Willamette River Watershed, Oregon, USA. JGR Biogeoscience

Values refer to the Willamette River Watershed, which was defined as the area draining to USGS gauge 14211720 (which is 29 018 km2 when delimiting using HydroSHEDs 15 arc-second flow direction maps (Lehner et al 2006)).

These datasets were created May 2017.

Authors and Affiliations: Genevieve S. Metson1,2†,3†,4†, Jiajia Lin2†,3†,5, John A. Harrison4 and Jana E. Compton3 1 Department of Physics, Chemistry, and Biology. Linköping University, Linköping, Sweden. 2 National Research Council, National Academies of Science, Washington, DC, USA 3 Pacific Ecological Systems Division, US Environmental Protection Agency, Corvallis, OR, USA 4 School of the Environment, Washington State University, Vancouver, WA, USA 5Oak Ridge Institute for Science and Education, Corvallis, OR, USA

Corresponding author: Genevieve Metson (genevieve.metson@liu.se) † Affiliation at time of main research activities