Journal
ECOLOGY LETTERS
Volume 22, Issue 11, Pages 1900-1912Publisher
WILEY
DOI: 10.1111/ele.13382
Keywords
Birth-death models; climate change; ecological limits; macroevolution; metabolic theory of biodiversity; paleoclimate; speciation; tetrapods
Categories
Funding
- EU [IOF-627684]
- Banting postdoctoral fellowship at the University of British Columbia [151042]
- French National Research Agency [ANR ECOEVOBIO-CHEX2011]
- European Research Council (ERC-CoG-PANDA)
Ask authors/readers for more resources
Diversification rates vary over time, yet the factors driving these variations remain unclear. Temporal declines in speciation rates have often been interpreted as the effect of ecological limits, competition, and diversity dependence, emphasising the role of biotic factors. Abiotic factors, such as climate change, are also supposed to have affected diversification rates over geological time scales, yet direct tests of these presumed effects have mainly been limited to few clades well represented in the fossil record. If warmer climatic periods have sustained faster speciation, this could explain slowdowns in speciation during the Cenozoic climate cooling. Here, we apply state-of-the art diversity-dependent and temperature-dependent phylogenetic models of diversification to 218 tetrapod families, along with constant rate and time-dependent models. We confirm the prevalence of diversification slowdowns, and find as much support for temperature-dependent than diversity-dependent models. These results call for a better integration of these two processes in studies of diversification dynamics.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available