Data from: Life-history characteristics and landscape attributes as drivers of genetic variation, gene flow and fine-scale population structure in Northern Dolly Varden (Salvelinus malma malma) in Canada
The Northern Dolly Varden (Salvelinus malma malma) displays variable life-history types and occupies freshwater habitats with varying levels of connectivity. Here, we assayed microsatellite DNA variation in Northern Dolly Varden from the western Canadian Arctic to resolve landscape and life history...
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ftdryad:oai:v1.datadryad.org:10255/dryad.88934 2023-05-15T14:58:44+02:00 Data from: Life-history characteristics and landscape attributes as drivers of genetic variation, gene flow and fine-scale population structure in Northern Dolly Varden (Salvelinus malma malma) in Canada Harris, Les N. Bajno, Robert Gallagher, Colin P. Koizumi, Itsuro Johnson, Lucy K. Howland, Kimberly L. Taylor, Eric B. Reist, James D. North Slope Yukon Mackenzie River 2015-06-11T20:29:16Z http://hdl.handle.net/10255/dryad.88934 https://doi.org/10.5061/dryad.652vq unknown doi:10.5061/dryad.652vq/1 doi:10.1139/cjfas-2015-0016 doi:10.5061/dryad.652vq Harris LN, Bajno R, Gallagher CP, Koizumi I, Johnson LK, Howland KL, Taylor EB, Reist JD (2015) Life-history characteristics and landscape attributes as drivers of genetic variation, gene flow and fine-scale population structure in Northern Dolly Varden (Salvelinus malma malma) in Canada. Canadian Journal of Fisheries and Aquatic Sciences 72(10): 1477-1493. http://hdl.handle.net/10255/dryad.88934 Population structure genetics Northern Dolly Varden life history gene flow Article 2015 ftdryad https://doi.org/10.5061/dryad.652vq https://doi.org/10.5061/dryad.652vq/1 https://doi.org/10.1139/cjfas-2015-0016 2020-01-01T15:20:35Z The Northern Dolly Varden (Salvelinus malma malma) displays variable life-history types and occupies freshwater habitats with varying levels of connectivity. Here, we assayed microsatellite DNA variation in Northern Dolly Varden from the western Canadian Arctic to resolve landscape and life history variables driving variation in genetic diversity and population structure. Overall, genetic variation was highest in anadromous populations and lowest in those isolated above waterfalls with stream-resident forms intermediate between the two. Anadromous and isolated populations were genetically divergent from each other while no genetic differentiation was detectable between sympatric anadromous and stream-resident forms. Population structure was stable over 25 years, hierarchically organized and conformed to an isolation-by-distance pattern, but stream-isolated forms often deviated from these patterns. Gene flow occurred primarily among Yukon North Slope populations and between sympatric anadromous and resident forms. These results were sex-dependent to some extent, but were influenced more by reproductive status and life history. Our study provides novel insights into the life history, population demographic and habitat variables that shape the distribution of genetic variation and population structure in Arctic fluvial habitats while providing a spatial context for management and conservation. Article in Journal/Newspaper Arctic Mackenzie river Yukon Dryad Digital Repository (Duke University) Arctic Canada Mackenzie River Varden ENVELOPE(7.656,7.656,62.534,62.534) Yukon |
institution |
Open Polar |
collection |
Dryad Digital Repository (Duke University) |
op_collection_id |
ftdryad |
language |
unknown |
topic |
Population structure genetics Northern Dolly Varden life history gene flow |
spellingShingle |
Population structure genetics Northern Dolly Varden life history gene flow Harris, Les N. Bajno, Robert Gallagher, Colin P. Koizumi, Itsuro Johnson, Lucy K. Howland, Kimberly L. Taylor, Eric B. Reist, James D. Data from: Life-history characteristics and landscape attributes as drivers of genetic variation, gene flow and fine-scale population structure in Northern Dolly Varden (Salvelinus malma malma) in Canada |
topic_facet |
Population structure genetics Northern Dolly Varden life history gene flow |
description |
The Northern Dolly Varden (Salvelinus malma malma) displays variable life-history types and occupies freshwater habitats with varying levels of connectivity. Here, we assayed microsatellite DNA variation in Northern Dolly Varden from the western Canadian Arctic to resolve landscape and life history variables driving variation in genetic diversity and population structure. Overall, genetic variation was highest in anadromous populations and lowest in those isolated above waterfalls with stream-resident forms intermediate between the two. Anadromous and isolated populations were genetically divergent from each other while no genetic differentiation was detectable between sympatric anadromous and stream-resident forms. Population structure was stable over 25 years, hierarchically organized and conformed to an isolation-by-distance pattern, but stream-isolated forms often deviated from these patterns. Gene flow occurred primarily among Yukon North Slope populations and between sympatric anadromous and resident forms. These results were sex-dependent to some extent, but were influenced more by reproductive status and life history. Our study provides novel insights into the life history, population demographic and habitat variables that shape the distribution of genetic variation and population structure in Arctic fluvial habitats while providing a spatial context for management and conservation. |
format |
Article in Journal/Newspaper |
author |
Harris, Les N. Bajno, Robert Gallagher, Colin P. Koizumi, Itsuro Johnson, Lucy K. Howland, Kimberly L. Taylor, Eric B. Reist, James D. |
author_facet |
Harris, Les N. Bajno, Robert Gallagher, Colin P. Koizumi, Itsuro Johnson, Lucy K. Howland, Kimberly L. Taylor, Eric B. Reist, James D. |
author_sort |
Harris, Les N. |
title |
Data from: Life-history characteristics and landscape attributes as drivers of genetic variation, gene flow and fine-scale population structure in Northern Dolly Varden (Salvelinus malma malma) in Canada |
title_short |
Data from: Life-history characteristics and landscape attributes as drivers of genetic variation, gene flow and fine-scale population structure in Northern Dolly Varden (Salvelinus malma malma) in Canada |
title_full |
Data from: Life-history characteristics and landscape attributes as drivers of genetic variation, gene flow and fine-scale population structure in Northern Dolly Varden (Salvelinus malma malma) in Canada |
title_fullStr |
Data from: Life-history characteristics and landscape attributes as drivers of genetic variation, gene flow and fine-scale population structure in Northern Dolly Varden (Salvelinus malma malma) in Canada |
title_full_unstemmed |
Data from: Life-history characteristics and landscape attributes as drivers of genetic variation, gene flow and fine-scale population structure in Northern Dolly Varden (Salvelinus malma malma) in Canada |
title_sort |
data from: life-history characteristics and landscape attributes as drivers of genetic variation, gene flow and fine-scale population structure in northern dolly varden (salvelinus malma malma) in canada |
publishDate |
2015 |
url |
http://hdl.handle.net/10255/dryad.88934 https://doi.org/10.5061/dryad.652vq |
op_coverage |
North Slope Yukon Mackenzie River |
long_lat |
ENVELOPE(7.656,7.656,62.534,62.534) |
geographic |
Arctic Canada Mackenzie River Varden Yukon |
geographic_facet |
Arctic Canada Mackenzie River Varden Yukon |
genre |
Arctic Mackenzie river Yukon |
genre_facet |
Arctic Mackenzie river Yukon |
op_relation |
doi:10.5061/dryad.652vq/1 doi:10.1139/cjfas-2015-0016 doi:10.5061/dryad.652vq Harris LN, Bajno R, Gallagher CP, Koizumi I, Johnson LK, Howland KL, Taylor EB, Reist JD (2015) Life-history characteristics and landscape attributes as drivers of genetic variation, gene flow and fine-scale population structure in Northern Dolly Varden (Salvelinus malma malma) in Canada. Canadian Journal of Fisheries and Aquatic Sciences 72(10): 1477-1493. http://hdl.handle.net/10255/dryad.88934 |
op_doi |
https://doi.org/10.5061/dryad.652vq https://doi.org/10.5061/dryad.652vq/1 https://doi.org/10.1139/cjfas-2015-0016 |
_version_ |
1766330863764635648 |