Searcy, Christopher A - University of Miami

个人简介

2016-present, Assistant Professor, University of Miami, Biology Department 2013-2015, Postdoctoral Fellow, Department of Biology, University of Toronto, Mississauga, ON 2011-2013, Postdoctoral Researcher, Department of Evolution and Ecology, University of California, Davis, CA 2005-2011, Ph.D. in Population Biology, University of California Davis 2001-2005, A.B. in Biology, Harvard University, Cambridge, MA

研究领域

My lab is engaged in conservation ecology, the use of ecological principles to answer questions related to basic ecological theory, while also informing conservation practices and management of threatened or endangered species. I am particularly interested in metacommunities (species assemblages that coexist across a landscape comprised of distinct habitat patches). It is assumed that many species can be modeled as classic metapopulations, which has clear implications for how we should manage them at the landscape scale in order to ensure their long-term persistence. However, how well actual populations fit the classic metapopulation model is highly dependent upon many factors such as dispersal rates between habitat patches and the level of demographic synchrony between individual populations. My lab is engaged in collecting detailed data on both demography and dispersal from wild populations in order to improve our understanding of the mechanisms that allow them to persist at the landscape scale. We are also interested in niche partitioning and ecological tradeoffs that allow multiple species to coexist in the metacommunity framework. Finally, we strive to use this information to inform applied conservation practices, such as calculating mitigation credits, evaluating taxon substitutes, and predicting the effects of climate change on range shifts. I have primarily used pond-breeding amphibians and invertebrates for my investigations due to the clear delineation of patch boundaries in these systems. However, I plan to expand into other systems, such as the diverse communities of both native and invasive reptiles found in South Florida.

近期论文

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Searcy CA and Shaffer HB (2016) Do ecological niche models accurately identify climatic determinants of species ranges? The American Naturalist 187: 423-435. Searcy CA, Rollins HB, and Shaffer HB (2016) Ecological equivalency as a tool for endangered species management. Ecological Applications 26: 94-103 Searcy CA, Snaas, H, and Shaffer HB (2015) Determinants of size at metamorphosis in an endangered amphibian and their projected effects on population stability. Oikos 124: 724-731. Searcy CA and Shaffer HB (2014) Field validation supports novel niche modeling strategies in a cryptic endangered amphibian. Ecography 37: 983-992. Searcy CA, Gray LN, Trenham PC, and Shaffer HB (2014) Delayed life history effects, multi-level selection, and evolutionary tradeoffs in the California tiger salamander. Ecology 95: 68-77. Searcy CA, Gabbai-Saldate E, and Shaffer HB (2013) Microhabitat use and migration distance of an endangered grassland amphibian. Biological Conservation 158: 80-87.