Peter Groffman

A potential tipping point in tropical agriculture: Avoiding rapid increases in nitrous oxide fluxes from agricultural intensification in Kenya
Hickman, Jonathan E., Katherine L. Tully, Peter M. Groffman, Willy Diru, and Cheryl A. Palm. 2015. “A Potential Tipping Point in Tropical Agriculture: Avoiding Rapid Increases in Nitrous Oxide Fluxes from Agricultural Intensification in Kenya”. Journal of Geophysical Research: Biogeosciences 120 (5): 938-51. doi:10.1002/2015JG002913.
Beaver Ponds: Resurgent Nitrogen Sinks for Rural Watersheds in the Northeastern United States
Lazar, Julia G., Kelly Addy, Arthur J. Gold, Peter M. Groffman, R. McKinney, and D.Q. Kellogg. 2015. “Beaver Ponds: Resurgent Nitrogen Sinks for Rural Watersheds in the Northeastern United States”. Journal of Environment Quality. doi:10.2134/jeq2014.12.0540.
Climate Variation Overwhelms Efforts to Reduce Nitrogen Delivery to Coastal Waters
Bettez, Neil D., Jonathan M. Duncan, Peter M. Groffman, Lawrence E. Band, Jarlath O’Neil-Dunne, Sujay S. Kaushal, Kenneth T Belt, and N. Law. 2015. “Climate Variation Overwhelms Efforts to Reduce Nitrogen Delivery to Coastal Waters”. Ecosystems 18 (8): 1319-31. doi:10.1007/s10021-015-9902-9.
Earthworms increase soil microbial biomass carrying capacity and nitrogen retention in northern hardwood forests
Groffman, Peter M., Timothy J. Fahey, Melany C. Fisk, Joseph B. Yavitt, Ruth E. Sherman, Patrick J. Bohlen, and John C. Maerz. 2015. “Earthworms Increase Soil Microbial Biomass Carrying Capacity and Nitrogen Retention in Northern Hardwood Forests”. Soil Biology and Biochemistry 87: 51-58. doi:10.1016/j.soilbio.2015.03.025.
Earthworms Reduce Biotic 15-Nitrogen Retention in Northern Hardwood Forests
Ewing, Holly A., Amy R. Tuininga, Peter M. Groffman, Kathleen C. Weathers, Timothy J. Fahey, Melany C. Fisk, Patrick J. Bohlen, and Esteban R. Suárez. 2015. “Earthworms Reduce Biotic 15-Nitrogen Retention in Northern Hardwood Forests”. Ecosystems 18 (2): 328-42. doi:10.1007/s10021-014-9831-z.
Ecosystem services in managing residential landscapes: priorities, value dimensions, and cross-regional patterns
Larson, Kelli L., Kristen C. Nelson, S. R. Samples, Sharon J. Hall, Neil D. Bettez, Jeannine Cavender-Bares, Peter M. Groffman, et al. 2015. “Ecosystem Services in Managing Residential Landscapes: Priorities, Value Dimensions, and Cross-Regional Patterns”. Urban Ecosystems. doi:10.1007/s11252-015-0477-1.
Effects of calcium silicate treatment on the composition of forest floor organic matter in a northern hardwood forest stand
Balaria, Ankit, Chris E. Johnson, Peter M. Groffman, and Melany C. Fisk. 2015. “Effects of Calcium Silicate Treatment on the Composition of Forest Floor Organic Matter in a Northern Hardwood Forest Stand”. Biogeochemistry 122 (2-3): 313-26. doi:10.1007/s10533-014-0043-6.
The Critical Loads and Levels Approach for Nitrogen
Clair, Thomas A., Tamara Blett, Julian Aherne, Marcos P. M. Aidar, Richard Artz, William J. Bealey, William Budd, et al. 2014. “The Critical Loads and Levels Approach for Nitrogen”. In Nitrogen Deposition, Critical Loads and Biodiversity, 481-91. Dordrecht: Springer Netherlands. doi:10.1007/978-94-007-7939-610.1007/978-94-007-7939-6_50.
Ecosystems, Biodiversity, and Ecosystem Services
Groffman, Peter M., Peter Kareiva, Shawn L. Carter, Nancy B Grimm, Josh J. Lawler, Michelle C. Mack, Virginia Matzek, and Heather Tallis. 2014. “Ecosystems, Biodiversity, and Ecosystem Services”. In Climate Change Impacts in the United States: The Third National Climate Assessment., 195-219. Washington, D. C.: U.S. Global Change Research Program. doi:10.7930/J0TD9V7H.
Resurgent Beaver Ponds in the Northeastern United States: Implications for Greenhouse Gas Emissions
Lazar, Julia G., Kelly Addy, Molly K. Welsh, Arthur J. Gold, and Peter M. Groffman. 2014. “Resurgent Beaver Ponds in the Northeastern United States: Implications for Greenhouse Gas Emissions”. Journal of Environment Quality 43 (6): 1844. doi:10.2134/jeq2014.02.0065.