Recovery tempo and pattern of marine ecosystems after the end-Permian mass extinction
Recovery tempo and pattern of marine ecosystems after the end-Permian mass extinction
复制标题
二叠纪末大规模灭绝后海洋生态系统的恢复速度和格局
DOI：
10.1130/g32191.1
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发表时间：
2011-08-01
期刊：
影响因子：
5.8
通讯作者：
Wang, Yongbiao
中科院分区：
文献类型：
--
作者：
Song, Haijun;Wignall, Paul B.;Wang, Yongbiao
对中国南方七个晚二叠世-中三叠世古赤道剖面的 10,000 多个微化石进行了高分辨率采样，驳斥了 5 m.y. 的说法。二叠纪末大规模灭绝后的恢复延迟。我们发现，在斯密早期，大约一米多一点的时候，海底的多样性就开始恢复。在大规模灭绝之后，造礁后生动物的恢复在 4 年前就开始了。后来，在安尼西亚语中。在远洋化石记录中发现的史密斯晚期的进一步大规模灭绝，微弱地表现为底栖群落多样化的暂时停顿。在中国南方的早三叠世，近海多样性在此之前就开始在较浅的环境中增加。因此，中国南方从二叠纪末大规模灭绝中恢复过来的速度比迄今为止已知的要快得多，环境也更加复杂。
High-resolution sampling of more than 10,000 microfossils from seven Late Permian-Middle Triassic paleoequatorial sections in south China refutes claims for a 5 m.y. recovery delay after the end-Permian mass extinction. We show that level-bottom seafloor diversity began to recover in the early Smithian, little more than 1 m.y. after the mass extinction, while recovery of reef-building metazoans began 4 m.y. later, in the Anisian. A further mass extinction in the late Smithian, identified in the pelagic fossil record, is weakly manifest as a temporary pause in diversification among benthic communities. In the Early Triassic of south China, the offshore diversity increase began before then, in shallower settings. The recovery from the end-Permian mass extinction in south China was therefore significantly more rapid and environmentally more complex than hitherto known.