@article {PIE146,
	title = {Relationships of land use and streamwater solute concentrations in the Ipswich River basin, northeastern Massachusetts.},
	journal = {Water, Air, and Soil Pollution},
	volume = {161},
	year = {2005},
	note = {PD Plum Data},
	keywords = {land cover, land use, LTER-PIE, solute concentration, urbanization, watershed},
	doi = {10.1007/s11270-005-2830-0},
	author = {Williams, M. and Hopkinson, C. and Rastetter, E. and Vallino, J. and Claussens, L.}
}
@article {PIE130,
	title = {Role of wetlands and developed land use on dissolved organic nitrogen concentrations and DON / TDN in northeastern U.S. rivers and streams},
	journal = {Limnology and Oceanography},
	volume = {49},
	year = {2004},
	note = {Grad},
	pages = {910-918},
	keywords = {dissolved organic nitrogen, land use, LTER-PIE, watershed, wetlands},
	doi = {10.4319/lo.2004.49.4.0910},
	author = {Pellerin, B.A. and Wollheim, W. and Hopkinson, C. and McDowell, W. and Williams, M. and Vorosmarty, C. and Daley, M.}
}
