Data from: Geographic extent of introgression in Sebastes mentella and its effect on genetic population structure ...
Genetic population structure is often used to identify management units in exploited species, but the extent of genetic differentiation may be inflated by geographic variation in the level of hybridization between species. We identify the genetic population structure of Sebastes mentella and investi...
Main Authors: | , , , , , , , , |
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Format: | Dataset |
Language: | English |
Published: |
Dryad
2016
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Subjects: | |
Online Access: | https://dx.doi.org/10.5061/dryad.94d1s https://datadryad.org/stash/dataset/doi:10.5061/dryad.94d1s |
Summary: | Genetic population structure is often used to identify management units in exploited species, but the extent of genetic differentiation may be inflated by geographic variation in the level of hybridization between species. We identify the genetic population structure of Sebastes mentella and investigate possible introgression within the genus by analyzing 13 microsatellites in 2,562 redfish specimens sampled throughout the North Atlantic. The data support an historical divergence between the “shallow” and “deep” groups, beyond the Irminger Sea where they were described previously. A third group, “slope,” has an extended distribution on the East Greenland Shelf, in addition to earlier findings on the Icelandic slope. Furthermore, S. mentella from the Northeast Arctic and Northwest Atlantic waters are genetically different populations. In both areas, interspecific introgression may influence allele frequency differences among populations. Evidence of introgression was found for almost all the identified ... : Sebastes_raw_dataData includes two sub-sets: 1. Data used to study genetic structure of S. mentella (mentella genotypes) and 2. data used for studying introgression (Sebastes genotypes). Biological data are shown in subsequent sheets. ... |
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