@article {PIE210,
	title = {Salt marsh ecosystem biogeochemical responses to nutrient enrichment: A paired <sup>15</sup>N tracer study.},
	journal = {Ecology},
	volume = {90},
	number = {9},
	year = {2009},
	note = {PD Plum Data},
	pages = {2535-2546},
	keywords = {biogeochemistry, disturbance, eutrophication, inorganic nutrients, LTER-PIE, New England, nitrogen processing efficiency, organic matter, primary production, salt marsh, stable isotopes, USA},
	doi = {10.1890/08-1051.1},
	author = {Drake, D.C. and Peterson, B.J. and Galv{\'a}n, K.A. and Deegan, L.A. and Fleeger, J.W. and Hopkinson, C. and Johnson, J.M. and Koop-Jakobsen, K. and Lemay, L.E. and Miller, E.E. and Picard, C. and Warren, R.S.}
}
@article {PIE197,
	title = {Biophysical controls on organic carbon fluxes in fluvial networks},
	journal = {Nature Geoscience},
	volume = {1},
	year = {2008},
	note = {PI Synthesis},
	pages = {95-100},
	keywords = {ecosystem metabolism, estuaries, fluvial networks, heterotrophy, inorganic nutrients, LTER-PIE, organic matter, primary production, rivers},
	doi = {10.1038/ngeo101},
	author = {Battin, T.J. and Kaplan, L. and Findlay, S. and Hopkinson, C. and Marti, E. and Packman, A. and Newbold, J.D. and Sabater, F.}
}
@article {PIE184,
	title = {Dynamics of N removal over annual time scales in a suburban river network},
	journal = {Journal of Geophysical Research-Biogeosciences},
	volume = {113},
	year = {2008},
	note = {PI Plum Data},
	keywords = {disturbance, inorganic nutrients, LTER-PIE, nitrogen removal, watershed},
	doi = {10.1029/2007JG000660},
	author = {Wollheim, W.M. and Peterson, B.J. and Vorosmarty, C. and Hopkinson, C. and Thomas, S.A.}
}
@article {PIE178,
	title = {Land change: Ecosystem responses to urbanization and pollution across climatic and societal gradients},
	journal = {Frontiers in Ecology and Environment},
	volume = {6},
	number = {5},
	year = {2008},
	note = {PI Synthesis},
	pages = {264-272},
	keywords = {climate change, disturbance, ecosystems, inorganic nutrients, land use, LTER-PIE, population dynamics},
	doi = {10.1890/070147},
	author = {Grimm, N. and Foster, D. and Groffman, P. and Grove, M. and Hopkinson, C. and Nadelhoffer, K. and Pataki, D. and Peters, D.}
}
@inbook {PIE172,
	title = {Nitrogen Dynamics of Coastal Salt Marshes},
	booktitle = {Nitrogen in the Marine Environment, 2nd Edition},
	year = {2008},
	note = {PI Plum Data},
	pages = {991-1036},
	publisher = {Elsevier Publishers},
	organization = {Elsevier Publishers},
	chapter = {22},
	keywords = {inorganic nutrients, LTER-PIE, nitrogen, organic matter, salt marsh},
	isbn = {9780123725226},
	author = {Hopkinson, C. and Giblin, A.},
	editor = {Capone, R. and Bronk, D. and Mulholland, M. and Carpenter, E.}
}
@article {PIE236,
	title = {Susceptibility of salt marshes to nutrient enrichment and predator removal},
	journal = {Ecological Applications},
	volume = {17},
	number = {5},
	year = {2007},
	note = {PI Plum Data},
	pages = {S-42-S63},
	keywords = {bottom-up, disturbance, eutrophication, Fundulus heteroclitus, inorganic nutrients, LTER-PIE, multiple stressors, nutrient loading, organic matter, population dynamics, primary production, salt marsh, Spartina alterniflora, Spartina patens, species change, top-down control},
	doi = {10.1890/06-0452.1},
	author = {Deegan, L.A. and Bowen, J.L. and Drake, D.C. and Fleeger, J.W. and Friedrichs, C.T. and Galv{\'a}n, K.A. and Hobbie, J.E. and Hopkinson, C. and Johnson, D.S. and Johnson, J.M. and Lemay, L.E. and Miller, E.E. and Peterson, B.J. and Picard, C. and Sheldon, S. and Sutherland, M. and Vallino, J. and Warren, R.S.}
}
@article {PIE156,
	title = {N retention in urbanizing headwater catchments},
	journal = {Ecosystems},
	volume = {8},
	year = {2005},
	note = {PI Plum Data},
	pages = {871-884},
	keywords = {export, impervious, inorganic nutrients, loading, LTER-PIE, nitrogen, residential, retention, urban, watershed},
	doi = {10.1007/s10021-005-0178-3},
	author = {Wollheim, W. and Pellerin, B. and Vorosmarty, C. and Hopkinson, C.}
}
@article {PIE240,
	title = {Spatial distribution of land type in regression models of pollutant loading},
	journal = {Journal of Spatial Hydrology},
	volume = {5},
	number = {2},
	year = {2005},
	note = {Grad},
	pages = {60-80},
	keywords = {GIS, inorganic nutrients, LTER-PIE, non-point source pollution, nutrient export, regression modeling, spatial distribution},
	doi = {10.1086/BBLv207n2p173},
	author = {Fedorko, E.J. and Pontius, R.G., Jr. and Aldrich, S.P. and Claessens, L. and Hopkinson, C. and Wollheim, W.M.}
}
@article {PIE122,
	title = {Modeling Nitrogen Transport in the Ipswich River Basin, Massachusetts, Using HSPF.},
	journal = {Journal of the American Water Resources Association},
	volume = {40},
	year = {2004},
	note = {PD Plum Data},
	pages = {1365-1384},
	keywords = {HSPF, inorganic nutrients, LTER-PIE, nitrogen transport, watershed},
	doi = {10.1111/j.1752-1688.2004.tb01592.x},
	author = {Filoso,S. and Vallino, J.J and Hopkinson, C. and Rastetter, E. and Claessens, L.}
}
@article {PIE95,
	title = {Nitrogen pollution in the northeastern United States: Sources, effects and managment options},
	journal = {BioScience},
	volume = {53},
	year = {2003},
	note = {PI Coastal},
	pages = {357-374},
	keywords = {disturbance, inorganic nutrients, LTER-PIE, nitrogen management, northeastern United States},
	doi = {10.1641/0006-3568(2003)053[0357:NPITNU]2.0.CO;2},
	author = {Driscoll, C. and Whitall, D. and Aber, J. and Boyer, E. and Castro, M. and Cronan, C. and Goodale, C. and Groffman, P. and Hopkinson, C. and Lambert, K. and Lawrence, G. and Ollinger, S.}
}
