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《科学》 第393卷 第6810期 · 2026年7月30日 · 中文解读

大陆间哺乳动物迁徙的启示

When mammals crossed between continents · J. L. McGuire and C. M. Williams
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这篇讲什么
本文探讨了约280万年前巴拿马地峡形成后,南北美洲之间发生的“大美洲生物交换”事件,以及墨西哥作为“蓄水池”在哺乳动物迁徙中的作用。
原文开头
The Great American Biotic Interchange informs the dynamics of modern species invasions Jenny L. McGuire1,2,3 and Claire M. Williams1,4 Whenever plants and animals newly come together, there will be some winners and some losers. This was the case for the Great American Biotic Interchange (GABI), which occurred ~2.8 million years ago (Ma), when the emergence of the Isthmus of Panama connected the continents of South and North America. Although species moved both northward and southward during the GABI, a massive taxonomic asymmetry arose between the two continents, with a much greater proportion of species in South America having a North American origin than the opposite. On page 532 of this issue, Tseng et al. …
摘自《科学》(Science)第393卷 第6810期 · 2026年7月30日,J. L. McGuire and C. M. Williams。仅引用开头一小段供了解文章,版权归原刊所有,全文请阅读原刊。
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