@inbook {PIE304,
	title = {South Atlantic Tidal Wetlands},
	booktitle = {Wetland Habitats of North America: Ecology and Conservation Concerns},
	year = {2012},
	note = {PI Plum Data},
	pages = {45-61},
	publisher = {University of California Press},
	organization = {University of California Press},
	address = {Berkeley, CA},
	keywords = {ecology, LTER-PIE, salt marsh, tidal, wetland},
	isbn = {9780520271647},
	author = {Pennings, S. and Alber, M. and Alexander, C. and Booth, M. and Burd, A. and Cai, W-J. and Craft, C. and DePratter, C. and Di Iorio, D. and Hopkinson, C. and Joye, S. and Meile, C. and Moore, W. and Silliman, B. and Thompson, V. and Wares, J.},
	editor = {Batzer, D.P. and Baldwin, A.}
}
@article {PIE257,
	title = {Salt marsh geomorphological analyses via integration of multi-temporal multispectral remote sensing with LIDAR and GIS.},
	journal = {Journal of Coastal Research},
	volume = {26},
	year = {2010},
	note = {PI Plum Data},
	pages = {809-816},
	keywords = {disturbance, ecogeomorphology, geomophology, geoprocessing, GIS, LiDAR, LTER-PIE, New England, organic matter, remote sensing, salt marsh},
	doi = {10.2112/JCOASTRES-D-09-00101.1},
	author = {Millette, T.L. and Argow, B. and Marcano, E. and Hayward, C. and Hopkinson, C. and Valentine, V.}
}
@article {PIE264,
	title = {Wetland-estuarine-shelf interactions in the Plum Island Sound and Merrimack River in the Massachusetts coast},
	journal = {Journal of Geophysical Research},
	volume = {115},
	number = {C10(C10039))},
	year = {2010},
	note = {PD Plum Data; PI Plum Data},
	pages = {1-13},
	keywords = {disturbance, estuaries, hydrodynamics, LTER-PIE},
	doi = {10.1029/2009JC006085},
	author = {Zhao, L. and Chen, C. and Vallino, J. and Hopkinson, C. and Beardsley, R.C. and Lin, H. and Lerczak, J.}
}
@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 {PIE232,
	title = {Effect of historical changes in land use and climate on the water budget of an urbanizing watershed},
	journal = {Water Resources Research},
	volume = {42},
	year = {2006},
	note = {PI Plum Data},
	keywords = {climate change, disturbance, hydrology, land use, LTER-PIE, population dynamics, watershed},
	doi = {10.1029/2005WR004131},
	author = {Claessens, L. and Hopkinson, C. and Rastetter, E. and Vallino, J.}
}
@article {PIE239,
	title = {Linking ecology and economics for ecosystem management},
	journal = {BioScience},
	volume = {56},
	year = {2006},
	note = {PI Synthesis},
	pages = {121-134},
	keywords = {disturbance, ecosystem management, ecosystem services, LTER, LTER-PIE, trade-offs, valuation},
	doi = {10.1641/0006-3568(2006)056[0121:LEAEFE]2.0.CO;2},
	author = {Farber, S and Costanza, D. and Childers, D. and Erikson, J. and Gross, K. and Grove, M. and Hopkinson, C. and Kahn, J. and Pincetl, S. and Troy, A. and Warren, P. and Wilson, M.}
}
@article {PIE171,
	title = {Salt marsh geomorphology: Physical and ecological effects on landform},
	journal = {Estuarine, Coastal and Shelf Science},
	volume = {69},
	year = {2006},
	note = {PI Plum Data},
	pages = {309-310},
	keywords = {disturbance, geomorphology, LTER-PIE, salt marsh},
	doi = {10.1016/j.ecss.2006.05.001},
	author = {Torres, R. and Fagherazzi, S. and van Proosdij, D. and Hopkinson, C.}
}
@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 {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 {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.}
}
@inbook {PIE124,
	title = {Estuarine respiration: an overview of benthic, pelagic, and whole system respiration },
	booktitle = {Respiration in Aquatic Ecosystems},
	year = {2004},
	note = {PI Synthesis},
	pages = {122-146},
	publisher = {Academic Press},
	organization = {Academic Press},
	address = {New York, NY},
	keywords = {benthic respiration, estuaries, LTER-PIE, organic matter, pelagic respiration, respiration rate, whole system respiration},
	isbn = { 9780198527084},
	doi = {10.1093/acprof:oso/9780198527084.003.0008},
	author = {Hopkinson, C. and Smith, E.},
	editor = {delGiorgio, P.A. and Williams, P.J.leB.}
}
@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 {PIE138,
	title = {N budgets and aquatic uptake in the Ipswich River basin, northeastern Massachusetts.},
	journal = {Water Resources Research},
	volume = {40},
	number = {11},
	year = {2004},
	note = {PD Plum Data},
	pages = {1-12},
	keywords = {anthropogenic, land use, LTER-PIE, nitrogen, uptake, water quality},
	doi = {10.1029/2004WR003172},
	author = {Williams, M. and Hopkinson, C. and Rastetter, E. and Vallino, J.}
}
@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.}
}
@proceedings {PIE149,
	title = {The Salt Marsh Geomorphology: Physical and Ecological Effects on Landform},
	journal = {AGU Chapman Conference},
	volume = {86},
	year = {2004},
	note = {PI Plum Data},
	month = {October 9-13, 2004},
	pages = {57-58},
	publisher = {EOS},
	address = {Halifax, Nova Scotia, Canada},
	keywords = {disturbance, geomorphology, LTER-PIE, organic matter, salt marsh},
	author = {Fagherazzi, S. and Torres, R. and Hopkinson, C. and vanProosdij, D.}
}
@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.}
}
@techreport {PIE77,
	title = {Nitrogen Pollution: From sources to the sea.},
	year = {2002},
	note = {PI Coastal},
	pages = {4 p.},
	institution = {Science Links - Hubbard Brook Research Foundation},
	address = {Hanover, NH},
	keywords = {LTER-PIE, marine, nitrogen pollution, watershed},
	author = {Driscoll, C. and Whitall, D. and Aber, J. and Boyer, E. and Castor, M. and Cronan, C. and Goodale, C. and Groffman, P. and Lambert, K. and Lawrence, G. and Hopkinson, C. and Ollinger, S.}
}
@book {PIE36,
	title = {Clean Coastal Waters: Understanding and reducing the effects of nutrient pollution.},
	series = {Ocean Studies Board and Water Science and Technology Board, Commission on Geosciences, Environment, and Resources, National Research Council.},
	year = {2000},
	note = {PI Synthesis},
	publisher = {National Academy of Sciences},
	organization = {National Academy of Sciences},
	address = {Washington, DC},
	keywords = {estuary, eutrophication, LTER-PIE, marine, nutrient},
	author = {Howarth, R. W. and Anderson, D. and Church, T. and Greening, H. and Hopkinson, C. and Huber, W. and Marcus, N. and Naiman, R. and Segerson, K. and Sharpley, A. and Wiseman, W.},
	editor = {Committee on the Causes and Management of Coastal Eutrophication}
}
@article {PIE37,
	title = {Nutrient pollution of coastal rivers, bays and seas},
	journal = {Issues in Ecology},
	number = {7},
	year = {2000},
	note = {PI Coastal},
	pages = {1-15},
	keywords = {estuary, LTER-PIE, nutrient pollution},
	author = {Howarth, R.W. and Anderson, D. and Cloern, J. and Elfring, C. and Hopkinson, C. and Lapointe, B. and Malone, T. and Marcus, N. and McGlathery, K. and Sharpley, A. and Walker, D.}
}
@inbook {PIE46,
	title = {Scenarios of land-use change and nitrogen release in the Ipswich watershed, Massachusetts, USA},
	booktitle = {Proceedings of the 4th International Conference on Integrating Geographic Information Systems and Environmental Modeling: Problems, prospects, and Needs for Research},
	year = {2000},
	note = {PI Plum Data},
	publisher = {Cooperative Institute for Research in Environmental Science},
	organization = {Cooperative Institute for Research in Environmental Science},
	address = {Boulder, CO},
	keywords = {land use change, LTER-PIE, nitrogen},
	author = {Pontius, R.G., Jr. and Claessens, L. and Hopkinson, C. and Marzouk, A. and Rastetter, E.B. and Schneider, L.C. and Vallino, J.},
	editor = {B. O. Parks and K. M. Clarke and M. P. Crane}
}
@inbook {PIE29,
	title = {Synthesizing drainage basin inputs to coastal systems.},
	booktitle = {Estuarine Science: A Synthetic Approach to Research and Practice},
	year = {2000},
	note = {PI Synthesis},
	pages = {81-105},
	publisher = {Island Press},
	organization = {Island Press},
	address = {Washington, DC},
	keywords = {LTER-PIE, watershed},
	author = {Fisher, T. R. and Correll, D. and Costanza, R. and Hollibaugh, J. and Hopkinson, C. and Howarth, R. and Rabalais, N. and Richey, J. and Vorosmarty, C. and Wiegert, R.},
	editor = {J. Hobbie}
}
@article {PIE22,
	title = {Ipswich River nutrient dynamics: Preliminary assessment of a simple nitrogen-processing model},
	journal = {Biological Bulletin},
	volume = {197},
	year = {1999},
	note = {REU},
	pages = {289-290},
	keywords = {Ipswich River, land use, LTER-PIE, modeling, nutrient dynamics},
	doi = {10.2307/1542657},
	author = {Pease, K. M. and Claessens, L. and Hopkinson, C. and Rastetter, E. and Vallino, J. and Kilham, N.}
}
@article {PIE7,
	title = {A preliminary evaluation of sedimentation rates and species distribution in Plum Island estuary, Massachusetts},
	journal = {Biological Bulletin},
	volume = {195},
	year = {1998},
	note = {REU},
	pages = {232-233},
	keywords = {estuary, LTER-PIE, organic matter, salt marsh, sedimentation},
	doi = {10.2307/1542855},
	author = {Schmitt, C. and Weston, N.B. and Hopkinson, C.}
}
