When invasive exotic populations are threatened with extinction

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• 作者：Carlos Frederico D. Rocha (1)
  Helena G. Bergallo (1)
  
• 关键词：Invasive species ; Exotic species ; Invasive endangered ; Conservation of endangered species
• 刊名：Biodiversity and Conservation
• 出版年：2012
• 出版时间：December 2012
• 年：2012
• 卷：21
• 期：14
• 页码：3729-3730
• 全文大小：117KB
• 参考文献：1. Bradshaw JA et al (2006) Conservation value of non-native banteng in northern Australia. Conserv Biol 20:1306-311 CrossRef
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  7. Rocha CFD et al (2011) Invasive vertebrates in Brazil. In: Pimentel D (ed) Biological invasions: economic and environmental costs of alien plant, animal and microbe species. Taylor and Francis, New York, pp 53-03 CrossRef
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  9. Veitch CR, Clout MN (ed) (2002) Turning the tide: the eradication of invasive species. Occasional paper of the IUCN species survival commission No. 27,IUCN SSC Invasive Species Specialist Group, Geneva
  10. Wilson DE, Reeder DM (2005) Mammal species of the world. A taxonomic and geographic reference. Johns Hopkins University Press, Baltimore
  
• 作者单位：Carlos Frederico D. Rocha (1)
  Helena G. Bergallo (1)
  
  1. Department of Ecology, Institute of Biology, Universidade do Estado do Rio de Janeiro, Rua S?o Francisco Xavier 524, Maracan?, Rio de Janeiro, RJ, 20550-019, Brazil
  
• ISSN：1572-9710

文摘

An important question that arises is what to do when an invasive exotic is a species threatened with extinction within its original distribution and there are few cases in the world illustrating this situation. These species potentially compete with local species for resources and may displace native species or, may in some cases, weaken the gene pool of the native species. The simple eradication of the invasive population could reduce the species-gene pool, and the eradication process might affect local sympatric species. We recommend a program including identification of areas within the natural range where the species is extinct, removal of the causes of extinction in those areas, then gradual removal of the species from its introduced range and release in the relocation areas following proper guidelines for reintroduction of species.