Peter Groffman

Denitrification enzyme activity of fringe salt marshes in New England (USA)
Wigand, C., R. McKinney, M. Chintala, M. C. Charpentier, and Peter M. Groffman. 2004. “Denitrification Enzyme Activity of Fringe Salt Marshes in New England (USA)”. J. Environ. Qual. 33: 1144-51.
Earthworm invasion, fine root distributions and soil respiration in north temperate forests
Fisk, Melany C., Timothy J. Fahey, Peter M. Groffman, and Patrick J. Bohlen. 2004. “Earthworm Invasion, Fine Root Distributions and Soil Respiration in North Temperate Forests”. Ecosystems 7: 55-62.
Ecosystem consequences of exotic earthworm invasion of north temperate forests
Bohlen, Patrick J., Peter M. Groffman, Timothy J. Fahey, and Melany C. Fisk. 2004. “Ecosystem Consequences of Exotic Earthworm Invasion of North Temperate Forests”. Ecosystems 7: 1-13.
Effects of exotic earthworms on soil phosphorus cycling in two broadleaf temperate forests
Suárez, Esteban R., Timothy J. Fahey, Peter M. Groffman, Patrick J. Bohlen, and Melany C. Fisk. 2004. “Effects of Exotic Earthworms on Soil Phosphorus Cycling in Two Broadleaf Temperate Forests”. Ecosystems 7: 28-44.
Exotic earthworm invasion and microbial biomass in temperate forest soils
Groffman, Peter M., Patrick J. Bohlen, Melany C. Fisk, and Timothy J. Fahey. 2004. “Exotic Earthworm Invasion and Microbial Biomass in Temperate Forest Soils”. Ecosystems 7: 45-54. http://www.caryinstitute.org/reprints/Groffman_et_al_2004_Exotic_Earthworm_Ecosystems.pdf.
Gross nitrogen process rates in temperate forest soils exhibiting symptoms of nitrogen saturation
Venterea, R.T., Peter M. Groffman, L. V. Verchot, A.H. Magill, and J. D. Aber. 2004. “Gross Nitrogen Process Rates in Temperate Forest Soils Exhibiting Symptoms of Nitrogen Saturation”. For. Ecol. Manage 196: 129-42.
Influence of earthworm invasion on redistribution and retention of soil carbon and nitrogen in northern temperate forests
Bohlen, Patrick J., Peter M. Groffman, Timothy J. Fahey, and Melany C. Fisk. 2004. “Influence of Earthworm Invasion on Redistribution and Retention of Soil Carbon and Nitrogen in Northern Temperate Forests”. Ecosystems 7: 13-29.
Invasive earthworms as agents of change in north temperate forests
Bohlen, Patrick J., S. Scheu, C.M. Hale, M.A. McLean, S. Migge, Peter M. Groffman, and D. Parkinson. 2004. “Invasive Earthworms As Agents of Change in North Temperate Forests”. Front. Ecol. Environ. 8: 427-35.
Nitrogen dynamics in ice storm-damaged forested ecosystems: Implications for nitrogen limitation theory
Houlton, B. Z., Charles T. Driscoll, Timothy J. Fahey, Gene E. Likens, Peter M. Groffman, Emily S. Bernhardt, and Donald C. Buso. 2003. “Nitrogen Dynamics in Ice Storm-Damaged Forested Ecosystems: Implications for Nitrogen Limitation Theory”. Ecosystems 6: 431-43.
Nitrogen oxide gas emissions from temperate forest soils receiving long-term nitrogen inputs
Venterea, R.T., Peter M. Groffman, L. V. Verchot, A.H. Magill, J. D. Aber, and P.A. Steudler. 2003. “Nitrogen Oxide Gas Emissions from Temperate Forest Soils Receiving Long-Term Nitrogen Inputs”. Global Change Biol. 9: 346-57.