@article {PIE39, title = {Modeling the effects of land-use change on nitrogen biogeochemistry in the Ipswich watershed, Massachusetts}, journal = {Biological Bulletin}, volume = {199}, number = {2}, year = {2000}, note = {REU}, pages = {218-219}, keywords = {Ipswich River, land use, LTER-PIE, model, nitrogen}, doi = {10.2307/1542907}, author = {Kirkby, R. and Claessens, L. and Hopkinson, Jr., C. and Rastetter, E. and Vallino, J.} }