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Explaining large-scale patterns of vertebrate diversity.
Biol Lett. 2015 Jul; 11(7)BL

Abstract

The major clades of vertebrates differ dramatically in their current species richness, from 2 to more than 32,000 species each, but the causes of this variation remain poorly understood. For example, a previous study noted that vertebrate clades differ in their diversification rates, but did not explain why they differ. Using a time-calibrated phylogeny and phylogenetic comparative methods, I show that most variation in diversification rates among 12 major vertebrate clades has a simple ecological explanation: predominantly terrestrial clades (i.e. birds, mammals, and lizards and snakes) have higher net diversification rates than predominantly aquatic clades (i.e. amphibians, crocodilians, turtles and all fish clades). These differences in diversification rates are then strongly related to patterns of species richness. Habitat may be more important than other potential explanations for richness patterns in vertebrates (such as climate and metabolic rates) and may also help explain patterns of species richness in many other groups of organisms.

Authors+Show Affiliations

Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ 85721-0088, USA wiensj@email.arizona.edu.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

26202428

Citation

Wiens, John J.. "Explaining Large-scale Patterns of Vertebrate Diversity." Biology Letters, vol. 11, no. 7, 2015.
Wiens JJ. Explaining large-scale patterns of vertebrate diversity. Biol Lett. 2015;11(7).
Wiens, J. J. (2015). Explaining large-scale patterns of vertebrate diversity. Biology Letters, 11(7). https://doi.org/10.1098/rsbl.2015.0506
Wiens JJ. Explaining Large-scale Patterns of Vertebrate Diversity. Biol Lett. 2015;11(7) PubMed PMID: 26202428.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Explaining large-scale patterns of vertebrate diversity. A1 - Wiens,John J, PY - 2015/7/24/entrez PY - 2015/7/24/pubmed PY - 2016/6/16/medline KW - Vertebrata KW - diversification KW - ecology KW - habitat KW - phylogeny KW - species richness JF - Biology letters JO - Biol Lett VL - 11 IS - 7 N2 - The major clades of vertebrates differ dramatically in their current species richness, from 2 to more than 32,000 species each, but the causes of this variation remain poorly understood. For example, a previous study noted that vertebrate clades differ in their diversification rates, but did not explain why they differ. Using a time-calibrated phylogeny and phylogenetic comparative methods, I show that most variation in diversification rates among 12 major vertebrate clades has a simple ecological explanation: predominantly terrestrial clades (i.e. birds, mammals, and lizards and snakes) have higher net diversification rates than predominantly aquatic clades (i.e. amphibians, crocodilians, turtles and all fish clades). These differences in diversification rates are then strongly related to patterns of species richness. Habitat may be more important than other potential explanations for richness patterns in vertebrates (such as climate and metabolic rates) and may also help explain patterns of species richness in many other groups of organisms. SN - 1744-957X UR - https://www.unboundmedicine.com/medline/citation/26202428/Explaining_large_scale_patterns_of_vertebrate_diversity_ L2 - https://royalsocietypublishing.org/doi/10.1098/rsbl.2015.0506?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub=pubmed DB - PRIME DP - Unbound Medicine ER -