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Publications

Williams, C.J., Mendell, E.K., Murphy, J., Court, W.M., Johnson, A.H., Richter, S.L. (2008) Paleo environmental reconstruction of a Middle Miocene forest from the western Canadian Arctic DOI Palaeogeography Palaeoclimatology Palaeoecology Christopher Williams (2002), Arthur H. Johnson, Suzanna Richter (2006) Paleobiology/Geobiology
Richter, S.L., Johnson, A.H., Dranoff, M.M., LePage, B.A., Williams, C.J. (2008) Oxygen isotope ratios in fossil wood cellulose: Isotopic composition of Eocene- to Miocene-aged fossil wood cellulose DOI Geochim. Cosmochim Acta Suzanna Richter (2006), Arthur H. Johnson Biogeochemistry and Global Environmental Change, Paleobiology/Geobiology
Richter, S.L., Johnson, A.H., Dranoff, M.M., Taylor, K.D. (2008) Continental-Scale Patterns in Modern Wood Cellulose d18O: Implications for Interpreting Paleo-Wood Cellulose d18O. DOI Geochimica et Cosmochimica Acta Suzanna Richter (2006), Arthur H. Johnson Biogeochemistry and Global Environmental Change, Paleobiology/Geobiology
Johnson, A.H., Moyer, A., Bedison, J.E., Richter, S.L., Willig, S.A. (2008) Seven Decades of Calcium Depletion in Organic Horizons of Adirondack Forest Soils DOI Soil Science Society of America Journal Arthur H. Johnson, James Bedison (2009), Suzanna Richter (2006), Sarah Anderson Willig Biogeochemistry and Global Environmental Change
Bedison, J.E., Johnson, A.H., Willig, S.A., Richter, S.L., Moyer, A. (2007) Two decades of change in vegetation in Adirondack spruce-fir, northern hardwood and pine-dominated forests DOI Journal of the Torrey Botanical Society James Bedison (2009), Arthur H. Johnson, Sarah Anderson Willig, Suzanna Richter (2006) Biogeochemistry and Global Environmental Change

Department of Earth and Environmental Science / University of Pennsylvania, 251 Hayden Hall, 240 South 33rd Street, Philadelphia, PA 19104-6316