What is a phylogeographic tree?
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A phylogeographic tree is an evolutionary reconstruction that depicts the geographic spread and genetic relationships of taxa or gene lineages. These trees are crucial in studying the origin, diversification, and spread of species, especially in the context of pathogen outbreaks, speciation, and population ecology. By overlaying geographical information onto gene trees, researchers can analyze the associations between genetic variation, spatial distribution, and evolutionary history, providing insights into historical events like range expansions, fragmentation, and gene flow. Phylogeographic trees are constructed using genetic sequences, such as mitochondrial or nuclear DNA markers, and are instrumental in understanding post-glacial recolonization, identifying suture zones, and estimating the impact of historical events like the Last Glacial Maximum on mammal populations in Europe.
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20 Citations | A phylogeographic tree is inferred using coalescent models on haplotype trees to determine ancestral locations of species, aiding in understanding geographical roots and structure. |
2 Citations | A phylogeographic tree reconstructs the origin and spread paths of taxa by inferring locations of internal nodes from genetic sequences, crucial for studying pathogen outbreaks and spread. |
Open access 01 Jan 2014 1 Citations | A phylogeographic tree illustrates evolutionary relationships between genetic lineages using nuclear and mitochondrial DNA markers, aiding in understanding geographic distributions and post-glacial history of European mammal populations. |
368 Citations | A phylogeographic tree is an evolutionary reconstruction of genealogical history overlaid with geography to test species status and processes, aiding in identifying cohesion species with objective criteria. |
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