Time lags in watershed nitrogen and phosphorus input-output balances:  A forty-four year record of the Willamette River Basin
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". Published in JGR Biogeoscience.  
Values refer to the Willamette River Watershed, …