Ancient geological dynamics impact neutral biodiversity accumulation and are detectable in phylogenetic reconstructions

Aim Landmasses have been continuously modified by tectonic activity, the breakup and collision of landmasses is thought to have generated or suppressed ecological opportunities, altering the rates of speciation, dispersal and extinction. However, the extent to which the signatures of past geologic events are retained in modern biodiversity patterns - or obliterated by recent ecological dynamics - remains unresolved. We aim to identify the fingerprint of different scenarios of geological activity on phylogenetic trees and geographic range size distributions.
Location Global.
Time period Geological time.
Major taxa studied Theoretical predictions for any taxa.
Methods We conducted spatially explicit simulations under a neutral model of range evolution, speciation and extinction for three different geological scenarios that differed in their geological histories. We set a limit in the number of populations that locally can coexist which along with the geographic boundaries of landmasse...

大陆地块始终受构造活动持续改造；学界普遍认为，大陆地块的裂解与碰撞曾催生或抑制生态机遇，进而改变物种形成、扩散与灭绝的速率。然而，过往地质事件的印记在多大程度上留存于现代生物多样性格局中，或是被近期生态动态所抹去，这一问题仍未得到解决。本研究旨在识别不同地质活动情景在系统发育树及地理分布幅员大小分布中的特征印记。
研究区域：全球范围
时间跨度：地质历史时期
主要研究类群：适用于任意类群的理论预测
研究方法：本研究针对三类具有差异化地质历史的地质情景，基于物种分布演化、物种形成与灭绝的中性模型开展空间显性模拟。我们设定了本地可共存种群数量的上限，该上限与大陆地块的地理边界……