%0 Journal Article %J Water Resources Research %D 2004 %T N budgets and aquatic uptake in the Ipswich River basin, northeastern Massachusetts. %A Williams, M. %A Hopkinson, C. %A Rastetter, E. %A Vallino, J. %K anthropogenic %K land use %K LTER-PIE %K nitrogen %K uptake %K water quality %B Water Resources Research %V 40 %P 1-12 %G eng %M PIE138 %] NSF-LTER-PIE %R 10.1029/2004WR003172 %F Journal Article