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Old 05-13-2009, 12:43 PM   #1
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Default A Tale of Four “Carp”

A Tale of Four “Carp”: Invasion Potential and Ecological Niche Modeling
Shannon C. DeVaney, Kristina M. McNyset, Justin B. Williams, A. Townsend Peterson, Edward O. Wiley
The University of Kansas, Natural History Museum and Biodiversity Research Center, Lawrence, Kansas, United States of America

PLoS ONE: A Tale of Four ?Carp?: Invasion Potential and Ecological Niche Modeling
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Quote:
Background

Invasive species are a serious problem in ecosystems, but are difficult to eradicate once established. Predictive methods can be key in determining which areas are of concern regarding invasion by such species to prevent establishment [1]. We assessed the geographic potential of four Eurasian cyprinid fishes (common carp, tench, grass carp, black carp) as invaders in North America via ecological niche modeling (ENM). These “carp” represent four stages of invasion of the continent (a long-established invader with a wide distribution, a long-established invader with a limited distribution, a spreading invader whose distribution is expanding, and a newly introduced potential invader that is not yet established), and as such illustrate the progressive reduction of distributional disequilibrium over the history of species' invasions.
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