Wild pig populations in the National Parks |
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Authors: | Francis J Singer |
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Institution: | (1) U.S. Department of the Interior, National Park Service, Southeast Region Uplands Field Research Laboratory Great Smoky Mountains National Park Twin Creeks Area, 37738 Gatlinburg, Tennessee |
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Abstract: | Populations of introduced European wild boar, feral pigs, and combinations of both types (all Susscrola L.) inhabit thirteen areas in the National Park Service system. All parks have relatively stable populations, with the exception of Great Smoky Mountains National Park, which reported a rapidly expanding wild boar population. Suspected and documented impacts were apparently related to pig densities and sensitivity of the ecosystem; the three largest units with dense wild pig populations reported the most damage. Overall, wild pigs are a relatively minor problem for the Park Service; however, problems are severe in at least three parks, and there is potential for invasion of wild boars into several additional parks in the Appalachian Mountains. More specific information is needed on numbers of wild pigs and their impacts in the various parks. |
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Keywords: | Feral pigs Great Smoky Mountains National Park (GRSM) Pig population density Ecological effects Vegetation rooting |
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