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bastardisation of fauna One of the possible consequences of the introduction of animal species in an area where they are not indigenous. Such translocation of species always involves an element of risk if not of serious danger. Newly arrived species may be highly competitive with or otherwise adversely affect native species and communities (某一地区由于引进非原生于该地的动物而造成的后果之一。 如此的迁移即使没有产生严重后果,但总是会有些许的危险性。 新到的品种可能具有很强的竞争性,或对原生物种和社群产生负面影响。) |