The Influences of Species Richness and Climate on the Phylogenetic Structure of African Haplorhine and Strepsirrhine Primate Communities

Jason M. Kamilar, Lydia Beaudrot, Kaye Reed

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Many factors contribute to the structure of primate communities, including historical processes, interspecific competition, and climate. Here, we quantify the phylogenetic structure of individual primate communities to evaluate these factors relative to a null model. Then, we examine the effects of species richness and local climate on variation in community phylogenetic structure. We analyze 71 haplorhine and 29 strepsirrhine communities in Africa and quantify their net relatedness (NRI) and nearest taxon (NTI) indices. Significantly low, i.e., phylogenetically even, NRI and NTI values are indicative of interspecific competition in the past, resulting in closely related species not being found in the same community. In contrast, significantly high, i.e., phylogenetically clustered, NRI and NTI values suggest that closely related species have similar ecological requirements, resulting in closely related species occupying the same community. In a second set of analyses, we used simultaneous autoregressive models to examine if species richness, rainfall, and temperature predict variation in community phylogenetic structure. Most individual communities exhibited phylogenetically random species assemblages. However, significantly structured haplorhine communities were even whereas strepsirrhine communities were clustered. Species richness significantly predicted variation in haplorhine phylogenetic structure, whereas abiotic factors significantly predicted variation in strepsirrhine phylogenetic structure. We suggest that past interspecific competition and habitat filtering have affected a relatively small proportion of African primate communities, but that past interspecific competition has more strongly influenced haplorhine communities whereas environmental conditions have more strongly influenced strepsirrhine communities. Our study illustrates the utility of phylogenetic metrics and spatially explicit models for understanding primate communities.

Original languageEnglish (US)
Pages (from-to)1105-1121
Number of pages17
JournalInternational Journal of Primatology
Volume35
Issue number6
DOIs
StatePublished - Dec 5 2014

Fingerprint

primate
Primates
species richness
interspecific competition
phylogenetics
climate
species diversity
phylogeny
environmental factors
relatedness
animal models
environmental conditions
rain
rainfall
habitat
habitats
temperature

Keywords

  • Biogeography
  • Community ecology
  • Environment
  • Habitat filtering
  • Macroecology
  • Mammal

ASJC Scopus subject areas

  • Animal Science and Zoology
  • Ecology, Evolution, Behavior and Systematics

Cite this

The Influences of Species Richness and Climate on the Phylogenetic Structure of African Haplorhine and Strepsirrhine Primate Communities. / Kamilar, Jason M.; Beaudrot, Lydia; Reed, Kaye.

In: International Journal of Primatology, Vol. 35, No. 6, 05.12.2014, p. 1105-1121.

Research output: Contribution to journalArticle

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