AI Article Synopsis
- The Mid-Miocene Climatic Optimum (MMCO), occurring around 14 to 17 million years ago, featured global temperatures similar to those predicted for the future, yet there is limited paleoclimatic data from this time.
- Researchers discovered a diverse rainforest biome from this period, known as the Zhangpu biota (~14.7 Ma), in southeastern China, preserved in amber and sedimentary rocks.
- This study indicates that the mid-Miocene rainforest extended further north than previously thought and played a crucial role in shaping biodiversity in East Asia, serving as an important reference for understanding biodiversity changes during global warming.
Article Abstract
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.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8087408 | PMC |
| http://dx.doi.org/10.1126/sciadv.abg0625 | DOI Listing |
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Article Synopsis
- The Mid-Miocene Climatic Optimum (MMCO), occurring around 14 to 17 million years ago, featured global temperatures similar to those predicted for the future, yet there is limited paleoclimatic data from this time.
- Researchers discovered a diverse rainforest biome from this period, known as the Zhangpu biota (~14.7 Ma), in southeastern China, preserved in amber and sedimentary rocks.
- This study indicates that the mid-Miocene rainforest extended further north than previously thought and played a crucial role in shaping biodiversity in East Asia, serving as an important reference for understanding biodiversity changes during global warming.
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