Jisho

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Noun
1. introduced species; non-native species; alien speciesSee also 在来種
Wikipedia definition
2. Invasive speciesInvasive species, also called invasive exotics or simply exotics, is a nomenclature term and categorization phrase used for flora and fauna, and for specific restoration-preservation processes in native habitats, with several definitions. The first definition, the most used, applies to introduced species (also called "non-indigenous" or "non-native") that adversely affect the habitats and bioregions they invade economically, environmentally, and/or ecologically.
Read “Invasive species” on English Wikipedia
Read “外来種” on Japanese Wikipedia
Read “Invasive species” on DBpedia

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