Areas of Expertise

karst ecosystems, biotic response and vulnerability to climate change, invasive species


Research Locations



Current Research Programs & Projects

Effects of Historical and Projected Climate (19012050) and Hydrologic Response of Karst Aquifers on Species Vulnerability in South-Central Texas and Western South Dakota ( view )

Biologist, Biological Advisory Team, Barton Springs Salamander Habitat Conservation Plan (2008 - 2011)

Member, Scientific Advisory Committee, Barton Springs pool and salamander, City of Austin (2007 - 2009)

Graduate Students

Laura Dugan, Ph.D., 2014 (Committee Member)
University of Texas at Austin


Protection and recovery of the Barton Springs salamander, Eurycea sosorum, Bridging Disciplines Program: Environment, University of Texas at Austin, Austin, TX (2014)

Physiology and behavioral response of Eurycea sosorum to dissolved oxygen, BSEACD, Austin, TX (2007)

Eurycea sosorum: current understanding and necessary research, Habitat Conservation Plan Biological Advisory Team, BSEACD, Austin, TX (2005)

Environmental disturbances shift the roles of abiotic and biotic regulation over parasitism in stream communities, Southwestern University, Georgetown, TX (2004)

Patterns and processes in parasite populations: testing for responses to anthropogenic disturbance, University of Texas at Austin, Austin, TX (2004)