Abstract:
:Though many processes are involved in determining which species coexist and assemble into communities, competition is among the best studied. One hypothesis about competition's contribution to community assembly is that more closely related species are less likely to coexist. Though empirical evidence for this hypothesis is mixed, it remains a common assumption in certain phylogenetic approaches for inferring the effects of environmental filtering and competitive exclusion. Here, we relate modern coexistence theory to phylogenetic community assembly approaches to refine expectations for how species relatedness influences the outcome of competition. We argue that two types of species differences determine competitive exclusion with opposing effects on relatedness patterns. Importantly, this means that competition can sometimes eliminate more different and less related taxa, even when the traits underlying the relevant species differences are phylogenetically conserved. Our argument leads to a reinterpretation of the assembly processes inferred from community phylogenetic structure.
journal_name
Ecol Lettjournal_title
Ecology lettersauthors
Mayfield MM,Levine JMdoi
10.1111/j.1461-0248.2010.01509.xsubject
Has Abstractpub_date
2010-09-01 00:00:00pages
1085-93issue
9eissn
1461-023Xissn
1461-0248pii
ELE1509journal_volume
13pub_type
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