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My research interests center on population ecology and factors (e.g., life histories, disease, landscape characteristics, management practices) that regulate vital rates, population dynamics, and the distribution of species. Much of this work involves parameter estimation using retrospective techniques such as capture-recapture and occupancy models or prospective techniques using simulations and matrix models. Because I frequently study threatened species, the results from my research are often used to inform state and federal conservation strategies. Recently, my focus has expanded to include the control of invasive vertebrates.


The Effects of Land Management


Parameter Estimation

Transition probabilties.jpg

Extinction Risk


Base model: Current fire regime


Fall burns: High fire mortality scenario

Disease Ecology

Fig 2. Tree.jpg

Species Distribution Modeling

Fig. 8 Introduced_Species.jpg