Peter Groffman

Snow depth, soil frost and nutrient loss in a northern hardwood forest
Groffman, Peter M., J.P. Hardy, S.S. Nolan, Charles T. Driscoll, and Timothy J. Fahey. 1999. “Snow Depth, Soil Frost and Nutrient Loss in a Northern Hardwood Forest”. Hydrol. Process 13: 2275-86.
Soil and sediment biodiversity: cross-system comparisons and large scale effects
Groffman, Peter M., and Patrick J. Bohlen. 1999. “Soil and Sediment Biodiversity: Cross-System Comparisons and Large Scale Effects”. BioScience 49: 139-48.
Soil carbon content along a rainfall gradient and inhibition of germination: a potential mechanism for regulating distribution of Plantago coronopus
Shem-Tov, S., Eli Zaady, Peter M. Groffman, and Y. Gutterman. 1999. “Soil Carbon Content Along a Rainfall Gradient and Inhibition of Germination: A Potential Mechanism for Regulating Distribution of Plantago Coronopus”. Soil Biol. Biochem. 31: 1209-18.
Carbon additions increase nitrogen availability in northern hardwood forest soils
Groffman, Peter M. 1999. “Carbon Additions Increase Nitrogen Availability in Northern Hardwood Forest Soils”. Biol. Fertil. Soils 29: 430-33.
Groundwater nitrate removal in forested and mowed riparian buffer zones
Addy, Kelly, Arthur J. Gold, Peter M. Groffman, and P.A. Jacinthe. 1999. “Groundwater Nitrate Removal in Forested and Mowed Riparian Buffer Zones”. J. Environ. Qual. 28: 962-70.
Invasive plant species and microbial processes in a tidal freshwater marsh
Otto, S., Peter M. Groffman, Stuart E. G. Findlay, and A. Arreola. 1999. “Invasive Plant Species and Microbial Processes in a Tidal Freshwater Marsh”. J. Environ. Qual. 28: 1252-57.
Nitrogen in the environment
Groffman, Peter M. 1999. “Nitrogen in the Environment”. In M. E. Sumner (ed.). Handbook of Soil Science, C190-200. CRC Press, Inc., Boca Raton, Florida.
Soil carbon and nitrogen availability: nitrogen mineralization, nitrification and carbon turnover
Robertson, G. P., D. Wedin, Peter M. Groffman, J.M. Blair, E.A. Holland, Knute J. Nadelhoffer, and D. Harris. 1999. “Soil Carbon and Nitrogen Availability: Nitrogen Mineralization, Nitrification and Carbon Turnover”. In G. P. Robertson, C. S. Bledsoe, D. C. Coleman, and P. Sollins (eds.). Standard Soil Methods for Long Term Ecological Research, 258-71. Oxford University Press, New York.
Denitrification
Groffman, Peter M., E.A. Holland, D.D. Myrold, G. P. Robertson, and X. Zou. 1999. “Denitrification”. In G. P. Robertson, C. S. Bledsoe, D. C. Coleman, and P. Sollins (eds.). Standard Soil Methods for Long Term Ecological Research, 272-88. Oxford University Press, New York.
Measurement of soil CO2, N2O and CH4 exchange
Holland, E.A., R. Boone, J. Greenberg, Peter M. Groffman, and G. P. Robertson. 1999. “Measurement of Soil CO2, N2O and CH4 Exchange”. In G. P. Robertson, C. S. Bledsoe, D. C. Coleman, and P. Sollins (eds.). Standard Soil Methods for Long Term Ecological Research, 185-201. Oxford University Press, New York.