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Exotic Hobos: Release, escape, and potential secondary dispersal of African red-headed agamas (Agama picticauda PETERS, 1877) through the Florida railway systems.
bioRxiv - Ecology Pub Date : 2020-07-21 , DOI: 10.1101/2020.05.11.089649
Russell J. Gray

Invasive reptile species are introduced and established through a variety of distribution channels (e.g. accidental/intentional release by pet owners, hitchhiking on imported goods), and can be detrimental to native ecosystems. Understanding the origins and spread of non-native species can help land managers make informed decisions when attempting to prevent future introductions and remove established populations of invasive species. By employing geographic profiling, a technique commonly used for criminal investigations, along with suspected origin locations of introduced African red-headed agamas (Agama picticauda), I was able to generate and confirm potential origins of agama sub-populations and observations throughout Florida. The results of this study provide evidence that African red-headed agamas likely established themselves through both intentional releases and unintentional escapes from the pet owners and breeders, while also potentially hitchhiking on plant exports, and dispersing throughout Florida via the railway systems.

中文翻译:

外来的流浪汉:通过佛罗里达的铁路系统释放,逃逸,以及非洲红发长尾agamas(Agama picticauda PETERS,1877)的潜在二次扩散。

通过各种分销渠道(例如,宠物主人意外/有意释放,搭便车进口货物)引入和建立了入侵性爬行动物物种,这些物种可能对本地生态系统有害。理解外来物种的起源和传播可以帮助土地管理者在试图防止将来引入外来物种并消除已建立的入侵物种种群时做出明智的决定。通过采用地理剖析(一种通常用于刑事调查的技术),以及引入的非洲红发agamas(Agama picticauda)的可疑起源位置,我能够生成并确认整个佛罗里达州的蜥蜴亚种群和观察结果的潜在起源。
更新日期:2020-07-22
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