Explanations for tropical diversity gradients are rooted in the deep past [Evolution]

Species are distributed unevenly across the surface of Earth. More species are found in the warm tropics than in cool temperate regions. This pattern was first recognized over two centuries ago by Alexander von Humboldt, with his observation “The nearer we approach the tropics, the greater the increase in the...

Source: Proceedings of the National Academy of Sciences - October 18, 2021 Category: Science Authors: Erin E. Saupe Tags: Evolution, Commentaries Commentary Source Type: research