perspective: Why biogeography matters: historical biogeography vs. phylogeography and community phyl...

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" perspective: Why biogeography matters: historical biogeography vs. phylogeography and community phylogenetics for inferring ecological and evolutionary processes "
Wiens, John J.

Document Type	:	AL
Record Number	:	921084
Doc. No	:	LA5n41f6cc
Language of Document	:	English
Main Entry	:	Wiens, John J.
Title & Author	:	perspective: Why biogeography matters: historical biogeography vs. phylogeography and community phylogenetics for inferring ecological and evolutionary processes [Article]\ Wiens, John J.
Title of Periodical	:	Frontiers of Biogeography
Volume/ Issue Number	:	4/3
Date	:	2012
Abstract	:	Phylogenetic and phylogeographic approaches have become widespread in evolutionary biology, ecology, and biogeography. However, analyses that incorporate inferences from historical biogeography (e.g. timing of colonization of a region) may be essential to answer the most important large-scale questions in these fields, but they remain infrequently used. I focus on two examples here. First, I argue that understanding the origins of biodiversity hotspots (and other high-diversity regions) requires comparing the timing of biogeographic colonization and diversification rates among regions. In contrast, phylogeographic studies (analyses within species within a region) may themselves say little about why a region is diverse relative to others. Second, incorporating historical biogeograpy can help address the processes that determine community species richness and structure, such as dispersal, in-situ trait evolution, and in-situ speciation. In contrast, the widespread “community phylogenetics” approach (focusing on relatedness of species in communities) may have limited ability to explain community richness and structure.