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Phylogenies in EcologyA Guide to Concepts and Methods$
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Marc W. Cadotte and T. Jonathan Davies

Print publication date: 2016

Print ISBN-13: 9780691157689

Published to Princeton Scholarship Online: January 2018

DOI: 10.23943/princeton/9780691157689.001.0001

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Phylogenetic Patterns within Communities

Phylogenetic Patterns within Communities

Inferring Mechanisms of Ecological Assembly Using Phylogenetic Distances

(p.41) Chapter 3 Phylogenetic Patterns within Communities
Phylogenies in Ecology

Marc W. Cadotte

T. Jonathan Davies

Princeton University Press

This chapter discusses the use of phylogenetic distances to infer mechanisms of ecological assembly. Mechanisms influencing patterns of community assembly act on the ecological similarities and differences of organisms, and not on the number of species. Phylogenetic patterns of relatedness have provided an especially useful and popular approach to quantifying expected species ecological differences for examining community assembly. Over the past decade, phylogenetic information has been widely used in community assembly studies to test a basic set of hypotheses about the relatedness of co-occurring species. This chapter considers two kinds of metrics employing phylogenetic information: those that examine patterns of relatedness by measuring phylogenetic distances among species, and those that provide an index of phylodiversity within an assemblage by accounting for the distribution of or evenness in edge lengths.

Keywords:   phylogenetic distance, ecological assembly, community assembly, phylogenetic information, relatedness, co-occurring species, phylodiversity, edge length

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