Terrestrialization in the Ordovician
Terrestrialization in the Ordovician
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奥陶纪陆地化
DOI：
10.1144/sp532-2022-92
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发表时间：
2022
期刊：
影响因子：
--
通讯作者：
Wellman C
中科院分区：
文献类型：
--
作者：
Wellman C
这篇文章回顾了奥陶纪期间陆地生物（微生物、陆生植物、真菌、动物）和陆地生物群性质的证据。关于陆地植物起源和早期多样化的证据结合了来自化石和活生物体的信息。现存植物可用于：（1）系统发育分析，为藻类-陆地植物过渡的性质和最基部陆地植物的特征提供证据;（2）进化发育生物学研究，使陆地入侵的特征;（3）分子钟分析，为陆地植物的起源和多样化提供证据。我们的结论是，奥陶纪是一个关键时期，在地球的terrestrialization，见证了从微生物陆生生物群的过渡到一个占主导地位的植被的最基本的陆地植物。
This contribution reviews the evidence for terrestrial organisms during the Ordovician (microbial, land plant, fungal, animal) and for the nature of the terrestrial biota. The evidence regarding the origin and early diversification of land plants combines information from both fossils and living organisms. Extant plants can be utilized in:(1) phylogenetic analyses to provide evidence for the nature of the algal–land plant transition and the characteristics of the most basal land plants;(2) evolutionary developmental biology studies of the characters that enabled the invasion of the land;(3) molecular clock analysis to provide evidence regarding timing of the origin and diversification of land plants. We conclude that the Ordovician was a critical period during the terrestrialization of planet Earth that witnessed the transition from a microbial terrestrial biota to one dominated by a vegetation of the most basal land plants.