Gagnon, Paul R - Murray State University

个人简介

I am an assistant professor with the Watershed Studies Institute (WSI) and in the Department of Biological Sciences at Murray State University. Click the links on the left to see my publications and for information about my research program in population, community and disturbance ecology. In addition, I teach the following classes at Murray State: Wetland Ecology (BIO 568/668) for graduate students and upper-level undergraduates Disturbance Ecology (BIO 590/690) for graduate students and upper-level undergraduates Dendrology and Forest Conservation (BIO 554/654) for graduate students and upper-level undergraduates Biological Inquiry and Analysis (BIO 216) for freshmen and sophomore biology majors Biological Concepts (BIO 101) for freshmen and sophomore non-majors

研究领域

Ecological disturbances damage and kill individuals and thereby influence relationships among organisms and between organisms and their environment. In so doing, disturbances can alter dynamics of entire ecosystems. My science seeks to understand ecological disturbances as drivers of change in populations, communities and ecosystems both over time and at their spatial boundaries. I am especially interested in how disturbances influence the feedbacks and breakpoints that underpin biotic systems. By collecting and analyzing demographic information from carefully-conceived experiments on dominant focal species, I have been able to make mechanistic inferences about population-, community- and landscape-level dynamics. This approach lends itself to investigations that are simultaneously fundamental and applied in nature. In this way, important implications for conservation and/or restoration can proceed naturally from the very same research that seeks to understand evolutionary strategies and other curiosities of natural selection.

近期论文

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Lucas, C.M., Sheikh, P., Gagnon, P.R., and McGrath, D.G. How livestock and flooding mediate the ecological integrity of working forests in Amazon River floodplains. In press in Ecological Applications. Gagnon, P.R., Passmore, H.A., Platt, W.J., Slocum, M., Harms, K.E., Myers, J.A. and Paine, C.E.T. 2015. Fuels and fires influence vegetation via above- and belowground pathways in a high-diversity plant community. Journal of Ecology 103(4) 1009-1019. (doi: 10.1111/1365-2745.12421) [to request PDF, email: pgagnon@murraystate.edu] Gagnon, P.R., Passmore, H.A. and Platt, W.J. 2013. Multi-year salutary effects of windstorm and fire on river cane. Fire Ecology 9: 55-65. PDF Gagnon, P.R., Harms, K.E., Platt, W.J., Passmore, H.A. and Myers, J.A. 2012. Small-scale variation in fuel loads differentially affects two co-dominant bunchgrasses in a species-rich pine savanna. PLoS ONE 7(e29674): 1-7. PDF Gagnon, P.R., Bruna, E.M., Rubim P., Darrigo, M.R., Littel, R.C., Uriarte, M., Kress, W.J. 2011. The growth of an understory herb is chronically reduced in Amazonian forest fragments. Biological Conservation 144: 830-835. PDF Gagnon, P.R., Passmore, H.A., Platt, W.J., Paine, C.E.T., Myers, J.A. and Harms, K.E. 2010. Does pyrogenicity protect burning plants? Ecology 91: 3481-3486 (Cover Article). PDF Gagnon, P.R. 2009a. Fire in floodplain forests in the southeastern USA: Insights from the disturbance ecology of native bamboo. Wetlands 29: 520-526. PDF Gagnon, P.R. 2009b. Did River Bottoms Burn? Bamboo, Wind & Fire in Bottomland Hardwood Forests. Society of Wetland Scientists Research Brief no. 2009-0008. PDF Gagnon, P.R. and Platt, W.J. 2008a. Multiple disturbances accelerate clonal growth in a potentially monodominant bamboo. Ecology 89:612-618. (Report) PDF Gagnon, P.R. and Platt, W.J. 2008b. Reproductive and seedling ecology of a semelparous native bamboo (Arundinaria gigantea [Walt.] Muhl., Poaceae). Journal of the Torrey Botanical Society 135:309-316. PDF Gagnon, P.R., Platt, W.J. and Moser, E.B. 2007. Response of a native bamboo [Arundinaria gigantea (Walt.) Muhl.] in a wind-disturbed forest. Forest Ecology and Management 241:288-294. PDF Gagnon, P.R. 2007. Overview of cane ecology and management. Appendix 2 in Restoration, Management, and Monitoring of Forest Resources in the Mississippi Alluvial Valley: Recommendations for Enhancing Wildlife Habitat. Lower Mississippi Valley Joint Venture, Forest Resource Conservation Working Group. edited by R. Wilson, K. Ribbeck, S. King, and D. Twedt. PDF Gagnon, P.R. 1998. Local knowledge and degrees of indigenousness: Ethnobotanical lore among the Esmeraldeños of the Cayapas-Mataje National Mangrove Reserve of northwestern Ecuador. Tropical Resources Institute Working Paper No. 104.