Smithsonian Environmental Research Center

Understanding Ecosystems for a Sustainable Future

Biogeochemistry

Principal Investigator

Patrick Megonigal

megonigalp@si.edu

Publications

Ma, S. ; Luther, G. W. ; Keller, J. ; Madison, A. S. ; Metzger, E. ; Emerson, D. ; Megonigal, J. Patrick. (2008). Solid-waste Au/Hg microelectrode for the investigation of Fe and Mn cycling in a freshwater wetland: Implications for methane production . Electroanalysis, 20 , 233-239.
Megonigal, J. Patrick. (2008). Preface: Frontiers in Wetland Biogeochemistry . Archives of Agronomy and Soil Science, 54 (3) , 237-238. http://dx.doi.org/10.1080/03650340802132685
Megonigal, J. Patrick ; Guenther, A. B. (2008). Methane emissions from upland forest soils and vegetation . Tree Physiology, 28 , 491-498.
Carney, K. M. ; Hungate, Bruce A. ; Drake, Bert G. ; Megonigal, J. Patrick. (2007). Altered soil microbial community at elevated CO2 leads to loss of soil carbon . Proceedings of the National Academy of Sciences of the United States of America, 104 , 4990-4995.
Cheng, W. ; Yagi, K. ; Akiyama, H. ; Nishimura, S. ; Sudo, S. ; Fumoto, T. ; Hasegawa, T. ; Hartley, A. E. ; Megonigal, J. Patrick. (2007). Empirical model of soil chemical properties that regulte methane production in Japanese rice paddy soils . Journal of Environmental Quality, 36 , 1920-1925.
Cornell, J. A. ; Craft, C. B. ; Megonigal, J. Patrick. (2007). Ecosystem gas exchange across a created salt marsh chronosequence . Wetlands, 27 (2) , 240-250. http://dx.doi.org/10.1672/0277-5212(2007)27[240:EGEAAC]2.0.CO;2
Erickson, John E. ; Megonigal, J. Patrick ; Peresta, Gary ; Drake, Bert G. (2007). Salinity and sea level mediate elevated CO2 effects on C3–C4 plant interactions and tissue nitrogen in a Chesapeake Bay tidal wetland . Global Change Biology, 13 (1) , 202-215. http://dx.doi.org/10.1111/j.1365-2486.2006.01285.x
Neubauer, S. C. ; Toledo-Durán, G. E. ; Emerson, D. ; Megonigal, J. Patrick. (2007). Returning to their roots: iron-oxidizing bacteria enhance short-term plaque formation in the wetland-plant rhizosphere . Geomicrobiology Journal, 24 (1) , 65-73. http://dx.doi.org/10.1080/01490450601134309
Weiss, Johanna V. ; Rentz, J. A. ; Plaia, T. ; Neubauer, S. C. ; Merrill-Floyd, M. ; Lilburn, T. ; Bradburne, C. ; Megonigal, J. Patrick ; Emerson, D. (2007). Characterization of neutrophilic Fe(II)-oxidizing bacteria isolated from the rhizosphere of wetland plants and description of Ferritrophicum radicicola gen. nov sp nov., and Sideroxydans palludicola sp nov . Geomicrobiology Journal, 24 , 559-570.
Wolf, Amelia A. ; Drake, Bert G. ; Erickson, John E. ; Megonigal, J. Patrick. (2007). An Oxygen-Mediated Positive Feedback Between Elevated Carbon Dioxide and Soil Organic Matter Decomposition in a Simulated Anaerobic Wetland . Global Change Biology, 13 (9) , 2036-2044. http://dx.doi.org/10.1111/j.1365-2486.2007.01407.x
Bridgham, S. D. ; Megonigal, J. Patrick ; Keller, J. K. ; Bliss, N. B. ; Trettin, C. (2006). The carbon balance of North American wetlands . Wetlands, 26 (4) , 889-916. http://dx.doi.org/10.1672/0277-5212(2006)26[889:TCBONA]2.0.CO;2
Burdt, A. C. ; Galbraith, J. M. ; Megonigal, J. Patrick. (2006). Using CO 2 Efflux Rates to Indicate Below-Ground Growing Seasons by Land-use Treatment . Wetlands Ecology and Management, 14 (2) , 133-145. http://dx.doi.org/10.1007/s11273-005-5461-8
Hines, J. E. ; Megonigal, J. Patrick ; Denno, R. F. (2006). Nutrient subsidies to belowgrround microbes impact aboveground food web interactions . Ecology, 87 , 1542-1555.
Hungate, Bruce A. ; Johnson, D. W. ; Dijkstra, P. ; Hymus, G. ; Stiling, P. ; Megonigal, J. Patrick ; Pagel, A. L. ; Moan, J. L. ; Day, F. ; Li, Jinhong ; Hinkle, C. Ross ; Drake, Bert G. (2006). Nitrogen cycling during seven years of atmospheric CO2 enrichment in a scrub oak woodland . Ecology, 87 , 26-40.
Saunders, C. J. ; Megonigal, J. Patrick ; Reynolds, J. F. (2006). Comparison of belowground biomass in C-3 and C-4-dominated mixed communities in a Chesapeake Bay brackish marsh . Plant and Soil, 280 , 305-322.

Publications

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