USGS Professional Pages
Dr. Gregory Steyer is a wetland ecologist who serves as branch chief for the USGS National Wetlands Research Center, Coastal Restoration Assessment Branch. Greg received his B.S. from the
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Wang, Hongqing, G.D. Steyer, B.R. Couvillion, J.M Rybczyk, H.J Beck, W.J. Sleavin, E.A. Meselhe, M.A. Allison, R.G. Boustany, C.J. Fischenich, and V.H. Rivera-Monroy. In Press 2014. Forecasting Landscape Effects of Mississippi River Diversions on Elevation and Accretion in Louisiana Deltaic Wetlands under Future Environmental Uncertainty Scenarios. Estuarine, Coastal and Shelf Science, XX, XXX-XXX.
Rivera-Monroy, V.H., B. Branoff, E. Meselhe, A. McCorquodale, M. Dortch, G.D. Steyer, J. Visser, and H. Wang. 2013. Landscape-level estimation of nitrogen removal in coastal Louisiana wetlands: Potential sinks under different restoration scenarios. Journal of Coastal Research, SI 67, 75-87.
Couvillion, B.R., G.D. Steyer, H. Wang, H.J. Beck, and J.M. Rybczyk. 2013. Forecasting the effects of coastal protection and restoration projects on wetland morphology in coastal Louisiana under multiple environmental uncertainty scenarios. Journal of Coastal Research, SI 67, 29-50.
Snedden, G.A., and Steyer, G.D. 2013. Predictive occurrence models for coastal wetland plant communities: Delineating hydrologic response surfaces with multinomial logistic regression. Estuarine, Coastal and Shelf Science, 118, 11-23.
Suir, G.M., Evers, D.E., Steyer, G.D., and Sasser, C. E. 2013. Development of a reproducible method for determining quantity of water and its configuration in a marsh landscape. Journal of Coastal Research, SI 63, 110-117.
Steyer, G.D., Couvillion, B.R., and Barras, J.A. 2013. Monitoring vegetation response to episodic disturbance events by using multi-temporal vegetation indices. Journal of Coastal Research, SI 63, 118-130.
Steyer, G.D., Couvillion, B., Wang, H., Sleavin, B., Rybczyk, J., Trahan, N., Beck, H., Fischenich, C., Boustany, R., and Allen, Y. 2012. Landscape change and relative elevation sub-models, Appendix D-2 Wetland Morphology Model Technical Report in Louisiana’s Comprehensive Master Plan for a Sustainable Coast, 104 p.
Cretini, K. F., Visser, J. M., Krauss, K. W., and Steyer, G. D., 2012, Development and use of a floristic quality index for coastal Louisiana marshes, Environmental Monitoring and Assessment, 184:2389-2403, http://dx.doi.org/10.1007/s10661-011-2125-4
Piazza, S.C., Steyer, G.D., Cretini, K.F., Sasser, C.E., Visser, J.M., Holm, G.O., Jr., Sharp, L.A., Evers, D.E., and Meriwether, J.R., 2011, Geomorphic and ecological effects of Hurricanes Katrina and Rita on coastal Louisiana marsh communities: U. S. Geological Survey Open-File Report 2011–1094, 126 p.
Couvillion, B.R., Barras, J.A., Steyer, G.D., Sleavin, William, Fischer, Michelle, Beck, Holly, Trahan, Nadine, Griffin, Brad, and Heckman, David, 2011, Land area change in coastal Louisiana from 1932 to 2010: U.S. Geological Survey Scientific Investigations Map 3164, scale 1:265,000, 12 p. pamphlet.
Cretini, K. F., and Steyer, G. D., 2011, Floristic Quality Index—An assessment tool for restoration projects and monitoring sites in coastal
Cretini, K. F., Visser, J. M., Krauss, K. W., and Steyer, G. D., 2011, CRMS vegetation analytical team framework—Methods for collection, development, and use of vegetation response variables: U.S. Geological Survey Open-File Report 2011–1097, 60 p. http://pubs.usgs.gov/of/2011/1097/
Kokaly, R. F., Heckman, David, Holloway, JoAnn, Piazza, Sarai, Couvillion, Brady, Steyer, Gregory D., Mills, Christopher, and Hoefen, T. M., 2011, Shoreline surveys of oil-impacted marsh in southern Louisiana, July to August 2010: U.S. Geological Survey Open-File Report 2011–1022, 124 p. http://pubs.usgs.gov/of/2011/1022/
Steyer, Greg D.; Cretini, Kari F.; Piazza, Sarai; Sharp, Leigh Anne; Snedden, Gregg A.; and Sapkota, Sijan, 2010, Hurricane influences on vegetation community change in coastal
Lin, Jeff P., Scott Bourne, Brady Couvillion, Jane M. Smith,
Steyer, G.D., 2010, Coastwide Reference Monitoring System (CRMS):
Conzelmann, C., G.D. Steyer, M. Comeaux, and K. Suir. 2009. CRMS Mapping Applications and the Google Maps Application Programming Interface (API): An Alternative to the Traditional Web Form. The product is available online at http://cs.tamucc.edu/dim/docs/papers/Craig%20Conzelmann.doc
Twilley, R.R., B.R. Couvillion,
Steyer, G.D., C.E. Sasser, E. Evers, E. Swenson, G. Suir and S. Sapkota. 2008. The Influence of the
Steyer, G.D., B.C. Perez, S. Piazza, and G. Suir. 2007. Potential Consequences of Saltwater Intrusion Associated with Hurricanes Katrina and Rita. Pages 138-147 in G. S. Farris, G. J. Smith, M. P. Crane, C. R. Demas, L. L. Robbins, and D. L. Lavoie, editors. Science and the storms: The USGS response to the hurricanes of 2005. U.S. Geological Survey Circular 1306, 283pp http://pubs.usgs.gov/circ/1306/
Steyer, G.D., A.B. Owens, and B.R. Couvillion. 2006. Data Collection Network to Support Ecosystem Forecasting for the
Steyer, G.D., R.R. Twilley and R.C. Raynie. 2006. An Integrated Monitoring Approach Using Multiple Reference Sites to Assess Sustainable Restoration in Coastal
Day, J., J. Barras, E. Clairain, J. Johnston, D. Justic, G. Kemp, J. Ko, R. Lane, W. Mitsch, G. Steyer, P. Templet, and A. Yanez-Arancibia. 2005. Implications of Global Climatic Change and Energy Cost and Availability for the Restoration of the
Day, J., P. Templet, J. Ko, W. Mitsch, G.P. Kemp, J. Johnston, G. Steyer, J. Barras, D. Justic, E. Clairain, and R. Theriot. 2004. The
Ko, J., J. Day, J. Barras, R. Morton , J. Johnston, G. Steyer, G.P. Kemp, E. Clairain, and R. Theriot. 2004. Impacts of Oil and Gas Activities on Coastal Wetland loss in the Mississippi Delta. Pages 957-977 In: Caso, M., I. Pisanty, and E. Ezcurra (eds). Environmental Diagnosis of the
Steyer, G.D., C.E. Sasser, J.M. Visser, E.M. Swenson, J.A. Nyman, and R.C. Raynie. 2003. A Proposed Coast-wide Reference Monitoring System for Evaluating Wetland Restoration Trajectories in
Summers, J.K., and G.D. Steyer. 2000. A Framework for an Integrated and Comprehensive Monitoring Plan for the Estuaries of the
Steyer, G.D. and D.W. Llewellyn. 2000. Coastal Wetlands Planning, Protection, and Restoration Act: A Programmatic Application of Adaptive Management. Ecological Engineering. 15: 385-395.
Steyer, G.D., D. Fuller, and J. Barras. 1995. The integration of GIS and image processing technology with continuous and real-time data collection for monitoring wetland restoration projects. National Interagency Workshop on Wetlands,
Cahoon, D.R., D.J. Reed, J.W. Day, Jr., G.D. Steyer, R.M. Boumans, J.C. Lynch, D. McNally, and N. Latif. 1995. The influence of Hurricane Andrew on sediment distribution in
Guntenspergen, G.R., D.R. Cahoon, J. Grace, G.D. Steyer, S. Fournet, M.A. Townson, and A.L. Foote. 1995. Disturbance and recovery of the
Steyer, G.D., C.I. Simon, and S.G. Underwood. 1993. A resource management approach for evaluating the effectiveness of wetland restoration projects. Pages 742-745 in: Landin, M.C., editor. Wetlands: Proceedings of the 13th Annual Conference of the Society of Wetland Scientists,
Stone, G.W., J.M. Grymes, III, K.D. Robbins, S.G. Underwood, G.D. Steyer, and R.A. Muller. 1993. A chronologic overview of climatological and hydrological aspects associated with Hurricane Andrew and its morphological effects along the
Trepagnier, C.M., B. Good, G.D. Steyer, and W. B. Sutton. 1993. Evaluation of three crevasse splay marsh creation projects at the
Steller, D.L., B. Good, C. Clark, K. Bahlinger, J. Rasi, and G. Steyer. 1993. Coastal restoration:
Steyer, G.D., and R.E. Stewart, Jr. 1992. Monitoring Program for Coastal Wetlands Planning, Protection, and Restoration Act projects.
Steyer, G.D. 1991. Wetland restoration utilizing real-time data collection along
Underwood, S.G., G.D. Steyer, B. Good, and D. Chambers. 1991. Bay bottom terracing and vegetative planting: An innovative approach for habitat and water quality enhancement. Pages 164-173 in: Webb, F.J., Jr., editor. 1991 Proceedings of the Eighteenth Annual Conference on Wetlands Restoration and Creation.
Steyer, G.D., S.G. Underwood, D.L. Steller, C.M. Trepagnier, and C.I. Simon. 1991. Sediment capture techniques and their application to Barataria-Terrebonne estuary. Barataria-Terrebonne National Estuary Program Data Inventory Workshop.
Steyer, G.D. 1991.
Steyer, G.D., and B. Good. 1990. Current activities of the Coastal Restoration Division of the Louisiana Department of Natural Resources. Pages 144-156 in: Webb, F.J., Jr., editor. 1990 Proceedings of the Seventeenth Annual Conference on Wetlands Restoration and Creation.
Steyer, G.D. 1988. Litter dynamics and nitrogen retranslocation in three types of mangrove forests in
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