Molecular markers reveal limited population genetic structure in a North American corvid, Clark's nutcracker (Nucifraga columbiana)

Simple item page
dc.contributor.authorDohms, Kimberly M.
dc.contributor.authorBurg, Theresa M.
dc.date.accessioned2016-04-04T17:48:13Z
dc.date.available2016-04-04T17:48:13Z
dc.date.issued2013
dc.descriptionSherpa romeo green journalen_US
dc.description.abstractThe genetic impact of barriers and Pleistocene glaciations on high latitude resident species has not been widely investigated. The Clark’s nutcracker is an endemic North American corvid closely associated with Pinus-dominated forests. The nutcracker’s encompasses known barriers to dispersal for other species, and glaciated and unglaciated areas. Clark’s nutcrackers also irruptively disperse long distances in search of pine seed crops, creating the potential for gene flow among populations. Using the highly variable mitochondrial DNA control region, seven microsatellite loci, and species distribution modeling, we examined the effects of glaciations and dispersal barriers on population genetic patterns and population structure of nutcrackers. We sequenced 900 bp of mitochondrial control region for 169 individuals from 15 populations and analysed seven polymorphic microsatellite loci for 13 populations across the Clark’s nutcracker range. We used species distribution modeling and a range of phylogeographic analyses to examine evolutionary history. Clark’s nutcracker populations are not highly differentiated throughout their range, suggesting high levels of gene flow among populations, though we did find some evidence of isolation by distance and peripheral isolation. Our analyses suggested expansion from a single refugium after the last glacial maximum, but patterns of genetic diversity and paleodistribution modeling of suitable habitat were inconclusive as to the location of this refugium. Potential barriers to dispersal (e.g. mountain ranges) do not appear to restrict gene flow in Clark’s nutcracker, and postglacial expansion likely occurred quickly from a single refugium located south of the ice sheets.en_US
dc.description.peer-reviewYesen_US
dc.identifier.citationDohms, K. M., & Burg, T. M. (2013). Molecular markers reveal limited population genetic structure in a North American corvid, Clark's nutcracker (Nucifraga columbiana). PLoS ONE, 8(11), e79621. doi:10.1371/journal.pone.0079621en_US
dc.identifier.urihttps://hdl.handle.net/10133/4453
dc.language.isoen_CAen_US
dc.publisherPublic Library of Scienceen_US
dc.publisher.departmentDepartment of Biological Sciencesen_US
dc.publisher.facultyArts and Scienceen_US
dc.publisher.institutionUniversity of Lethbridgeen_US
dc.subjectClark's nutcrackeren_US
dc.subjectPopulation geneticsen_US
dc.subjectBirds -- Dispersalen_US
dc.subjectPhylogeographyen_US
dc.subjectBiogeographyen_US
dc.titleMolecular markers reveal limited population genetic structure in a North American corvid, Clark's nutcracker (Nucifraga columbiana)en_US
dc.typeArticleen_US
Files
Original bundle
Now showing 1 - 1 of 1
Thumbnail Image
Name:
Burg Dohms and Burg 2013 PLoS ONE.pdf
Size:
1.75 MB
Format:
Adobe Portable Document Format
Description:
Download
License bundle
Now showing 1 - 1 of 1
Thumbnail Image
Name:
license.txt
Size:
3.13 KB
Format:
Item-specific license agreed upon to submission
Description:
Download
Collections
Burg, Theresa