P. Warren

Dynamic heterogeneity: a framework to promote ecological integration and hypothesis generation in urban systems
Pickett, Steward T. A., Mary L. Cadenasso, Emma J. Rosi, Kenneth T Belt, Peter M. Groffman, Morgan Grove, E. Irwin, et al. 2017. “Dynamic Heterogeneity: A Framework to Promote Ecological Integration and Hypothesis Generation in Urban Systems”. Urban Ecosystems 20 (1): 1-14. doi:10.1007/s11252-016-0574-9.
Understanding and Working with Urban Biodiversity: The Baltimore Ecosystem Study
Pickett, Steward T. A., G.S. Brush, A. J. Felson, Brian McGrath, Morgan Grove, C.H. Nilon, K. Szlavecz, C.S. Swan, and P. Warren. 2012. “Understanding and Working With Urban Biodiversity: The Baltimore Ecosystem Study”. CityGreen 4: 68-77. http://www.caryinstitute.org/reprints/Pickett_CityGreen_2012.pdf.
Biodiversity and community composition in urban ecosystems: coupled human, spatial and metacommunity processes
Swan, C.M., Steward T. A. Pickett, K. Slavecz, P. Warren, and K.T. Willey. 2011. “Biodiversity and Community Composition in Urban Ecosystems: Coupled Human, Spatial and Metacommunity Processes”. In J. Niemela (Ed.), Handbook of Urban Ecology, 179-86. Oxford University Press.
Biodiversity on the urban landscape
Szlavecz, K., P. Warren, and Steward T. A. Pickett. 2011. “Biodiversity on the Urban Landscape”. In R. P. Cincotta and L. J. Gorenflo. Human Population: Its Influences on Biological Diversity, Ecological Studies 214., 75-101. Springer, New York.
Urban Ecological Systems: Foundations and a Decade of Progress
Pickett, Steward T. A., Mary L. Cadenasso, Morgan Grove, Christopher G. Boone, Peter M. Groffman, E. Irwin, Sujay S. Kaushal, et al. 2011. “Urban Ecological Systems: Foundations and a Decade of Progress”. J. Environ. Manage 92: 331-62.
Beyond urban legends: An emerging framework of urban ecology, as illustrated by the Baltimore Ecosystem Study
Pickett, Steward T. A., Mary L. Cadenasso, Morgan Grove, Peter M. Groffman, Lawrence E. Band, Christopher G. Boone, W.R. Burch, et al. 2008. “Beyond Urban Legends: An Emerging Framework of Urban Ecology, As Illustrated by the Baltimore Ecosystem Study”. BioScience 58: 139-50.