Exotic/Invasive Species Management

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Since uncovering the link between feral pigs and the decline in foxes, I’ve conducted additional research into how invasive species impact our natural treasures. In conjunction with Dr. Mark Andersen and the USGS Center for Analysis of Spatial Ecology we examined how both exotic vertebrates and plants impacted Big Bend National Park. For an overview of invasive species research in the lab see the following references on the Publications page:

Andersen, M. C., B. Martin, & G. W. Roemer. 2004. Use of matrix population models to estimate the efficacy of euthanasia versus trap﷓neuter-return for management of free-roaming cats. Journal of the American Veterinary Medical Association 225(12):1871-1876.

Knowlton, J., C. Josh Donlan, G. W. Roemer, A. Samaniego-Herrera, B. S. Keitt, B. Wood, A. Aguirre-Muñoz, K. R. Faulkner & B .R. Tershey. 2007. Non-native mammal eradications and the status of insular mammals on the California Channel Islands, U.S.A. and Pacific Baja California Islands, México. Southwestern Naturalist 52:528-540.

Roemer, G. W. & R. K. Wayne. 2003. Conservation in conflict: The tale of two endangered species. Conservation Biology 17(5):1251-1260.

Roemer, G. W., C. J. Donlan & F. Courchamp. 2002. Golden eagles, feral pigs and insular carnivores: How exotic species turn native predators into prey. Proceedings of the National Academy of Sciences, USA 99: 791-796.

Roemer, G. W., T. J. Coonan, D. K. Garcelon, J. Bascompte, & L. Laughrin. 2001. Feral pigs facilitate hyperpredation by golden eagles and indirectly cause the decline of the island fox. Animal Conservation 4: 307-318.

Roemer, G. W., D. Auerbach, K. E. Young, T. S. Schrader and M. A. Andersen. 2007. Exotic animal management plan: Final Environmental Assessment, Big Bend National Park, Texas. New Mexico State University, Las Cruces, NM. 135 pp.

Young, K. E., T. S. Schrader, K. G. Boykin, C. Caldwell & G. W. Roemer. 2007. Early Detection of Invasive Species in Big Bend National Park: Remote Sensing and GIS Strategies. New Mexico Cooperative Fish and Wildlife Research Unit, Las Cruces, NM. 103 pp. + Appendices.


Dr. Gary W. RoemerEmail: groemer@nmsu.edu