Phylogeny, niche conservatism and the latitudinal diversity gradient in mammals

Lauren B. Buckley, T. Jonathan Davies, David D. Ackerly, Nathan J.B. Kraft, Susan P. Harrison, Brian L. Anacker, Howard V. Cornell, Ellen I. Dänischen, John Avid Grytnes, Bradford A. Hawkins, Christy M. McCain, Patrick R. Stephens, John J Wiens

Research output: Contribution to journalArticle

157 Citations (Scopus)

Abstract

Biologists have long searched for mechanisms responsible for the increase in species richness with decreasing latitude. The strong correlation between species richness and climate is frequently interpreted as reflecting a causal link via processes linked to energy or evolutionary rates. Here, we investigate how the aggregation of clades, as dictated by phylogeny, can give rise to significant climate-richness gradients without gradients in diversification or environmental carrying capacity. The relationship between climate and species richness varies considerably between clades, regions and time periods in a global-scale phylogenetically informed analysis of all terrestrial mammal species. Many young clades show negative richness-temperature slopes (more species at cooler temperatures), with the ages of these clades coinciding with the expansion of temperate climate zones in the late Eocene. In carnivores, we find steeply positive richness-temperature slopes in clades with restricted distributions and tropical origins (e.g. cat clade), whereas widespread, temperate clades exhibit shallow, negative slopes (e.g. dog-bear clade). We show that the slope of the global climate-richness gradient in mammals is driven by aggregating Chiroptera (bats) with their Eutherian sister group. Our findings indicate that the evolutionary history should be accounted for as part of any search for causal links between environment and species richness.

Original languageEnglish (US)
Pages (from-to)2131-2138
Number of pages8
JournalProceedings of the Royal Society B: Biological Sciences
Volume277
Issue number1691
DOIs
StatePublished - Jul 22 2010
Externally publishedYes

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Mammals
Politics
Phylogeny
Climate
niche
phylogeny
niches
mammal
species richness
mammals
climate
species diversity
Temperature
temperature
Ursidae
bear
Agglomeration
carrying capacity
carnivore
temperate zones

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Buckley, L. B., Jonathan Davies, T., Ackerly, D. D., Kraft, N. J. B., Harrison, S. P., Anacker, B. L., ... Wiens, J. J. (2010). Phylogeny, niche conservatism and the latitudinal diversity gradient in mammals. Proceedings of the Royal Society B: Biological Sciences, 277(1691), 2131-2138. https://doi.org/10.1098/rspb.2010.0179

Phylogeny, niche conservatism and the latitudinal diversity gradient in mammals. / Buckley, Lauren B.; Jonathan Davies, T.; Ackerly, David D.; Kraft, Nathan J.B.; Harrison, Susan P.; Anacker, Brian L.; Cornell, Howard V.; Dänischen, Ellen I.; Grytnes, John Avid; Hawkins, Bradford A.; McCain, Christy M.; Stephens, Patrick R.; Wiens, John J.

In: Proceedings of the Royal Society B: Biological Sciences, Vol. 277, No. 1691, 22.07.2010, p. 2131-2138.

Research output: Contribution to journalArticle

Buckley, LB, Jonathan Davies, T, Ackerly, DD, Kraft, NJB, Harrison, SP, Anacker, BL, Cornell, HV, Dänischen, EI, Grytnes, JA, Hawkins, BA, McCain, CM, Stephens, PR & Wiens, JJ 2010, 'Phylogeny, niche conservatism and the latitudinal diversity gradient in mammals', Proceedings of the Royal Society B: Biological Sciences, vol. 277, no. 1691, pp. 2131-2138. https://doi.org/10.1098/rspb.2010.0179
Buckley LB, Jonathan Davies T, Ackerly DD, Kraft NJB, Harrison SP, Anacker BL et al. Phylogeny, niche conservatism and the latitudinal diversity gradient in mammals. Proceedings of the Royal Society B: Biological Sciences. 2010 Jul 22;277(1691):2131-2138. https://doi.org/10.1098/rspb.2010.0179
Buckley, Lauren B. ; Jonathan Davies, T. ; Ackerly, David D. ; Kraft, Nathan J.B. ; Harrison, Susan P. ; Anacker, Brian L. ; Cornell, Howard V. ; Dänischen, Ellen I. ; Grytnes, John Avid ; Hawkins, Bradford A. ; McCain, Christy M. ; Stephens, Patrick R. ; Wiens, John J. / Phylogeny, niche conservatism and the latitudinal diversity gradient in mammals. In: Proceedings of the Royal Society B: Biological Sciences. 2010 ; Vol. 277, No. 1691. pp. 2131-2138.
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