@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.}
}
@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.}
}
