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Introduced species as evolutionary traps
Authors:Martin A Schlaepfer  Paul W Sherman  Bernd Blossey  Michael C Runge
Institution:Department of Neurobiology and Behavior, Cornell University, W308 Mudd Hall, Ithaca, NY 14853-2702, USA; Department of Natural Resources, Cornell University, Fernow Hall, Ithaca, NY 14853-3001, USA; US Geological Survey, Patuxent Wildlife Research Center, 12100 Beech Forest Road, Laurel, MD 20708, USA
Abstract:Invasive species can alter environments in such a way that normal behavioural decision‐making rules of native species are no longer adaptive. The evolutionary trap concept provides a useful framework for predicting and managing the impact of harmful invasive species. We discuss how native species can respond to changes in their selective regime via evolution or learning. We also propose novel management strategies to promote the long‐term co‐existence of native and introduced species in cases where the eradication of the latter is either economically or biologically unrealistic.
Keywords:Conservation  contemporary evolution  ecological trap  exotic  invasive  management
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