Period. SPN-IEGB /MNHN, DNP/Ministère Environnement, CBN Porquerolles, Paris, France, United States Environmental Protection Agency, Introduced mammals on seabird breeding islands, The Proceedings of the National Academy of Sciences, http://www.clemson.edu/public/regulatory/plant_industry/invasive_exotic_programs/, "Aquaculture—A Gateway for Exotic Species", On the Origin of the Common Wall Lizards Podarcis muralis (Reptilia: Lacertidae) in Cincinnati, Ohio, http://www.lostladybug.org/summary-page-555.php, "Population structure and genetic diversity of invasive Phyla canescens: implications for the evolutionary potential", "Pablo Escobar's hippos may help counteract a legacy of extinctions", "Fitness reduction and potential extinction of wild populations of Atlantic salmon, Salmo salar, as a result of interactions with escaped farm salmon", "Gene flow from an adaptively divergent source causes rescue through genetic and demographic factors in two wild populations of Trinidadian guppies", Assessment of Planetary Protection and Contamination Control Technologies for Future Planetary Science Missions, Introduced Species in Eastern United States, United States National Agricultural Library, National Estuarine and Marine Exotic Species Information System (NEMESIS), The Naked Scientists Invasive Species Articles, Latitudinal gradients in species diversity, https://en.wikipedia.org/w/index.php?title=Introduced_species&oldid=981568814, Creative Commons Attribution-ShareAlike License, This page was last edited on 3 October 2020, at 03:46. The term is used to imply both a sense of urgency and actual or potential harm. Thomas Austin, a British landowner had rabbits released on his estate in Victoria because he missed hunting them. Certain strains of cholera have been transported in ballast water, ending up in oyster beds and infecting finfish destined for the dinner table. If they further spread beyond the place of introduction and cause damage to nearby species, they are called "invasive". Credit: Dena Spatz/Island Conservation. The bottom line is, invasive species are, by definition, harmful. An invasive species has a … In Alaska, foxes were introduced to many islands to create new populations for the fur trade. The transition from introduction, to establishment and to invasion has been described in the context of plants. Misinformation, such as that surrounding the meaning of “invasive” species, inhibits progress in biodiversity and habitat conservation. Some become invasive, for example the oleander aphid, accidentally introduced with the ornamental plant, oleander. Sara received a BA in anthropology from UC Santa Cruz in 2014. Unintentional or accidental introducti… A number of fast spreading plants such as kudzu have been introduced as a means of erosion control. Some have a negative effect on a local ecosystem, while other introduced species may have no negative effect or only minor impact. Tipping The Scales on Guam, Acteon and Gambier Archipelagos, French Polynesia. Find more ways to say nonnative, along with related words, antonyms and example phrases at Thesaurus.com, the world's most trusted free thesaurus. Dandelions are also introduced species to North America. These examples represent only a small subsample of species that have been moved by humans for economic interests. Introduction of a species outside its native range is all that is required to be qualified as an "introduced species" such that one can distinguish between introduced species that may not occur except in cultivation, under domestication or captivity whereas others become established outside their native range and reproduce without human assistance. Another troublesome plant species is the terrestrial plant Phyla canescens, which was intentionally introduced into many countries in North America, Europe, and Africa as an ornamental plant. A very troublesome marine species in southern Europe is the seaweed Caulerpa taxifolia. In Great Britain, the Wildlife and Countryside Act 1981 prevents the introduction of any animal not naturally occurring in the wild or any of a list of both animals or plants introduced previously and proved to be invasive. Many non-native plants have been introduced into new territories, initially as either ornamental plants or for erosion control, stock feed, or forestry. There are many terms associated with introduced species that represent subsets of introduced species, and the terminology associated with introduced species is now in flux for various reasons. The rise in the use of genetically modified organisms has added another potential economic advantage to introducing new/modified species into different environments.

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