This is the blog for GW students taking Human Evolutionary Genetics. This site is for posting interesting tidbits on: the patterns and processes of human genetic variation;human origins and migration; molecular adaptations to environment, lifestyle and disease; ancient and forensic DNA analyses; and genealogical reconstructions.

GWHEG figure

GWHEG figure

Monday, April 6, 2020

The Problem with Species Delimitation


In this paper, Stanton et al. question the usefulness and implications of phylogenomics in animal conservation. Phylogenomics has been used to both "lump" and "split" species together and in some cases, only adds to the confusion of what a species actually is. Species delineation can be helpful to conservation efforts by helping to determine biodiversity or gain a better understanding of underlying population structure. The authors describe limitations with just using genomic data such as the exclusion of hybridization and the incomplete ability of phylogenetic diversity to capture functional diversity. Nevertheless, the use of genomic data can be used to determine the adaptive potential of populations that are the target of conservation efforts.

Audrey Tjahjadi
Link to article: https://link.springer.com/article/10.1007/s10592-019-01149-5

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