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Global changes explain the long-term demographic trend of the Eurasian common lizard (Squamata: Lacertidae)

Current Zoology 2022年第2期68卷 221-228页

作者： Jose L.HORREO Patrick S.FITZE Department of Genetics Physiology and MicrobiologyComplutense University of MadridC/Jose Antonio Novais 12Madrid 28040Spain Department of Biodiversity and Evolutionary Biology National Museum of Natural Sciences(CSIC)C/Jose Gutierrez Abascal 2Madrid 28006Spain

The demographic trend of a species depends on the dynamics of its local populations,which can be compromised by local or by global ***,the relevance of local and global phenomena has rarely been investigated ***,we tested whether local phenomena compromised a species'demographic trend using the Eurasian common lizard Zootoca vivipara,the terrestrial reptile exhibiting the widest geographic distribution,as a model *** analyzed the species'ancient demographic trend using genetic data from its 6 allopatric genetic clades and tested whether its demographic trend mainly depended on single clades or on global *** vivipara's effective population size increased since 2.3 million years ago and started to increase steeply and continuously from 0.531 million years *** growth rate exhibited 2 maxima,both occurring during global climatic changes and important vegetation changes on the northern *** population size and growth rate were negatively correlated with global surface temperatures,in line with global parameters driving long-term demographic *** vivipara's ancient demography was neither driven by a single clade,nor by the 2 clades that colonized huge geographic areas after the last *** low importance of local phenomena,suggests that the experimentally demonstrated high sensitivity of this species to short-term ecological changes is a response in order to cope with short-term and local *** suggests that what affected its long-term demographic trend the most,were not these local changes/responses,but rather the important and prolonged global climatic changes and important vegetation changes on the northern hemisphere,including the opening up of the forest by humans.

关键词： ancient demographic trend anthropological activity bayesian skyline plots early humans Eemian interglacial Eurasian common lizard mid-Brunhes event

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