Agarwal Ishan, Ceríaco Luis M P, Metallinou Margarita, Jackman Todd R, Bauer Aaron M
Department of Biology and Center for Biodiversity and Ecosystem Stewardship, Villanova University, 800 Lancaster Avenue, Villanova, PA 19085, USA.
Thackeray Wildlife Foundation, Vaibhav Chambers, Bandra, Mumbai 400051, India.
R Soc Open Sci. 2021 Aug 4;8(8):210749. doi: 10.1098/rsos.210749. eCollection 2021 Aug.
Alien species are among the greatest threats to biodiversity, but the evolutionary origins of invasiveness remain obscure. We conducted the first range-wide sampling of from more than 120 localities across Africa, Madagascar and the Neotropics to understand the evolutionary history of one of the most widely distributed, invasive vertebrates in the world. We used a multi-locus phylogeny, species delimitation, fossil-calibrated timetree, ancestral area reconstruction and species distribution models (SDMs) to determine how many putative species-level lineages are contained within , the timing and tempo of diversification, and the origins of commensality-providing insights into the evolutionary origins of invasiveness. Our analyses suggest '' originated in the Miocene in the Zambezian biogeographic region and includes as many as 20 putative species-level lineages, of which only is invasive and widely distributed, including all Neotropical records. Zambezia is the hotspot for diversity within the group with 14 species in southeastern Zambezia. SDMs suggest that was able to establish in the Neotropics due to habitat suitability, and globalization and the slave trade probably allowed it to cross the Atlantic. Distribution models for the complex overpredict the range of the invasive -highlighting the importance of taxonomy in invasive species management.
外来物种是生物多样性面临的最大威胁之一，但其入侵性的进化起源仍不清楚。我们对来自非洲、马达加斯加和新热带地区120多个地点的[物种名称]进行了首次全范围采样，以了解世界上分布最广的入侵脊椎动物之一的进化历史。我们使用了多位点系统发育、物种界定、化石校准时间树、祖先区域重建和物种分布模型（SDM）来确定[物种名称]包含多少假定的物种水平谱系、多样化的时间和节奏，以及共生起源，从而深入了解入侵性的进化起源。我们的分析表明，[物种名称]起源于中新世的赞比西亚生物地理区域，包括多达20个假定的物种水平谱系，其中只有[入侵物种名称]具有入侵性且分布广泛，包括所有新热带地区的记录。赞比西亚是该类群多样性的热点地区，赞比西亚东南部有14个物种。物种分布模型表明，由于栖息地适宜性，[物种名称]能够在新热带地区立足，全球化和奴隶贸易可能使其得以跨越大西洋。[物种名称]复合体的分布模型高估了入侵性[物种名称]的分布范围，凸显了分类学在入侵物种管理中的重要性。
