Wang Bo, Shi Gongle, Xu Chunpeng, Spicer Robert A, Perrichot Vincent, Schmidt Alexander R, Feldberg Kathrin, Heinrichs Jochen, Chény Cédric, Pang Hong, Liu Xingyue, Gao Taiping, Wang Zixi, Ślipiński Adam, Solórzano-Kraemer Mónica M, Heads Sam W, Thomas M Jared, Sadowski Eva-Maria, Szwedo Jacek, Azar Dany, Nel André, Liu Ye, Chen Jun, Zhang Qi, Zhang Qingqing, Luo Cihang, Yu Tingting, Zheng Daran, Zhang Haichun, Engel Michael S
State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology and Center for Excellence in Life and Paleoenvironment, Chinese Academy of Sciences, Nanjing 210008, China.
University of Chinese Academy of Sciences, Beijing 100049, China.
Sci Adv. 2021 Apr 30;7(18). doi: 10.1126/sciadv.abg0625. Print 2021 Apr.
During the Mid-Miocene Climatic Optimum [MMCO, 14 to 17 million years (Ma) ago], global temperatures were similar to predicted temperatures for the coming century. Limited megathermal paleoclimatic and fossil data are known from this period, despite its potential as an analog for future climate conditions. Here, we report a rich middle Miocene rainforest biome, the Zhangpu biota (14.7 Ma ago), based on material preserved in amber and associated sedimentary rocks from southeastern China. The record shows that the mid-Miocene rainforest reached at least 24.2°N and was more widespread than previously estimated. Our results not only highlight the role of tropical rainforests acting as evolutionary museums for biodiversity at the generic level but also suggest that the MMCO probably strongly shaped the East Asian biota via the northern expansion of the megathermal rainforest biome. The Zhangpu biota provides an ideal snapshot for biodiversity redistribution during global warming.
在中新世气候适宜期中期[MMCO，约1400万至1700万年前]，全球气温与预测的下个世纪的气温相似。尽管这一时期有潜力作为未来气候条件的类比，但已知的巨热古气候和化石数据有限。在此，我们基于保存在来自中国东南部的琥珀及相关沉积岩中的材料，报告了一个丰富的中新世中期雨林生物群——漳浦生物群（约1470万年前）。该记录表明，中新世中期雨林至少延伸到北纬24.2°，且分布范围比先前估计的更广。我们的研究结果不仅突出了热带雨林在属级水平上作为生物多样性进化博物馆的作用，还表明中新世气候适宜期中期可能通过巨热雨林生物群的向北扩张强烈塑造了东亚生物群。漳浦生物群为全球变暖期间生物多样性的重新分布提供了一个理想的快照。
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