Document Detail


Community ecology of the Middle Miocene primates of La Venta, Colombia: the relationship between ecological diversity, divergence time, and phylogenetic richness.
MedLine Citation:
PMID:  20037832     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
It has been suggested that the degree of ecological diversity that characterizes a primate community correlates positively with both its phylogenetic richness and the time since the members of that community diverged (Fleagle and Reed in Primate communities. Cambridge University Press, New York, pp 92-115, 1999). It is therefore questionable whether or not a community with a relatively recent divergence time but high phylogenetic richness would be as ecologically variable as a community with similar phylogenetic richness but a more distant divergence time. To address this question, the ecological diversity of a fossil primate community from La Venta, Colombia, a Middle Miocene platyrrhine community with phylogenetic diversity comparable with extant platyrrhine communities but a relatively short time since divergence, was compared with that of modern Neotropical primate communities. Shearing quotients and molar lengths, which together are reliable indicators of diet, for both fossil and extant species were plotted against each other to describe the dietary ''ecospace'' occupied by each community. Community diversity was calculated as the area of the minimum convex polygon encompassing all community members. The diversity of the fossil community was then compared with that of extant communities to test whether the fossil community was less diverse than extant communities while taking phylogenetic richness into account. Results indicate that the La Ventan community was not significantly less ecologically diverse than modern communities, supporting the idea that ecological diversification occurred along with phylogenetic diversification early in platyrrhine evolution.
Authors:
Brandon C Wheeler
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Primates; journal of primatology     Volume:  51     ISSN:  1610-7365     ISO Abbreviation:  Primates     Publication Date:  2010 Apr 
Date Detail:
Created Date:  2010-04-22     Completed Date:  2010-07-28     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0401152     Medline TA:  Primates     Country:  Japan    
Other Details:
Languages:  eng     Pagination:  131-8     Citation Subset:  IM    
Affiliation:
Interdepartmental Doctoral Program in Anthropological Sciences, Stony Brook University, Stony Brook, NY 11794-4364, USA. bcwheeler43@gmail.com
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MeSH Terms
Descriptor/Qualifier:
Animals
Colombia
Demography
Ecosystem*
Fossils*
Phylogeny*
Primates / genetics*,  physiology*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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