Island life and isolation: The population genetics of Pacific Wrens on the North Pacific Rim
Aleutian, Islands, Conservation genetics, Endemism, Troglodytes pacificus Conservation of intraspecific variation is a growing focus of conservation biology. Island populations can make up a large portion of the variation of widespread species, as they are often isolated and exhibit differences in p...
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ftfloridainsttec:oai:repository.lib.fit.edu:11141/1987 2023-10-09T21:50:01+02:00 Island life and isolation: The population genetics of Pacific Wrens on the North Pacific Rim Pruett, Christin L. Ricono, Angela Spern, Cory Winker., Kevin S. 2017-02-08 http://hdl.handle.net/11141/1987 https://doi.org/10.1650/CONDOR-16-183.1 en_US eng Pruett, C.L., Ricono, A., Spern, C., Winker, K. Island life and isolation: The population genetics of Pacific Wrens on the North Pacific Rim (2017) Condor, 119 (1), pp. 131-142. http://hdl.handle.net/11141/1987 doi:10.1650/CONDOR-16-183.1 © 2017 The Authors https://creativecommons.org/licenses/by-nc-nd/4.0/ Article 2017 ftfloridainsttec https://doi.org/10.1650/CONDOR-16-183.1 2023-09-22T09:36:30Z Aleutian, Islands, Conservation genetics, Endemism, Troglodytes pacificus Conservation of intraspecific variation is a growing focus of conservation biology. Island populations can make up a large portion of the variation of widespread species, as they are often isolated and exhibit differences in phenotype and genetic structure compared with mainland populations. We genotyped 169 Pacific Wrens (Troglodytes pacificus) from 9 locations and 6 subspecies in Alaska, USA, and British Columbia, Canada, to examine the population structure, genetic diversity, and likelihood of genetic rescue of island populations of conservation concern. We found that 25% of genetic variation was partitioned among conservation units delineated by subspecies, suggesting that the present framework of managing subspecies as separate units is warranted. Populations found farthest from possible mainland sources had the lowest genetic diversity. The Attu Island population, subspecies T. p. meligerus, had the lowest genetic diversity and highest genetic divergence of all sampled locations, a signal also found in Attu Island populations of Song Sparrow (Melospiza melodia) and Rock Ptarmigan (Lagopus muta). Currently, populations in western Alaska are unlikely to be connected to populations in mainland locations through dispersal, and thus are unlikely candidates for natural genetic or demographic rescue. © 2017 American Ornithological Society. Article in Journal/Newspaper Attu Lagopus muta rock ptarmigan Alaska Aleutian Islands The Scholarship Repository of Florida Institute of Technology Attu Island ENVELOPE(172.909,172.909,52.903,52.903) British Columbia ENVELOPE(-125.003,-125.003,54.000,54.000) Canada Pacific The Condor 119 1 131 142 |
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Open Polar |
collection |
The Scholarship Repository of Florida Institute of Technology |
op_collection_id |
ftfloridainsttec |
language |
English |
description |
Aleutian, Islands, Conservation genetics, Endemism, Troglodytes pacificus Conservation of intraspecific variation is a growing focus of conservation biology. Island populations can make up a large portion of the variation of widespread species, as they are often isolated and exhibit differences in phenotype and genetic structure compared with mainland populations. We genotyped 169 Pacific Wrens (Troglodytes pacificus) from 9 locations and 6 subspecies in Alaska, USA, and British Columbia, Canada, to examine the population structure, genetic diversity, and likelihood of genetic rescue of island populations of conservation concern. We found that 25% of genetic variation was partitioned among conservation units delineated by subspecies, suggesting that the present framework of managing subspecies as separate units is warranted. Populations found farthest from possible mainland sources had the lowest genetic diversity. The Attu Island population, subspecies T. p. meligerus, had the lowest genetic diversity and highest genetic divergence of all sampled locations, a signal also found in Attu Island populations of Song Sparrow (Melospiza melodia) and Rock Ptarmigan (Lagopus muta). Currently, populations in western Alaska are unlikely to be connected to populations in mainland locations through dispersal, and thus are unlikely candidates for natural genetic or demographic rescue. © 2017 American Ornithological Society. |
format |
Article in Journal/Newspaper |
author |
Pruett, Christin L. Ricono, Angela Spern, Cory Winker., Kevin S. |
spellingShingle |
Pruett, Christin L. Ricono, Angela Spern, Cory Winker., Kevin S. Island life and isolation: The population genetics of Pacific Wrens on the North Pacific Rim |
author_facet |
Pruett, Christin L. Ricono, Angela Spern, Cory Winker., Kevin S. |
author_sort |
Pruett, Christin L. |
title |
Island life and isolation: The population genetics of Pacific Wrens on the North Pacific Rim |
title_short |
Island life and isolation: The population genetics of Pacific Wrens on the North Pacific Rim |
title_full |
Island life and isolation: The population genetics of Pacific Wrens on the North Pacific Rim |
title_fullStr |
Island life and isolation: The population genetics of Pacific Wrens on the North Pacific Rim |
title_full_unstemmed |
Island life and isolation: The population genetics of Pacific Wrens on the North Pacific Rim |
title_sort |
island life and isolation: the population genetics of pacific wrens on the north pacific rim |
publishDate |
2017 |
url |
http://hdl.handle.net/11141/1987 https://doi.org/10.1650/CONDOR-16-183.1 |
long_lat |
ENVELOPE(172.909,172.909,52.903,52.903) ENVELOPE(-125.003,-125.003,54.000,54.000) |
geographic |
Attu Island British Columbia Canada Pacific |
geographic_facet |
Attu Island British Columbia Canada Pacific |
genre |
Attu Lagopus muta rock ptarmigan Alaska Aleutian Islands |
genre_facet |
Attu Lagopus muta rock ptarmigan Alaska Aleutian Islands |
op_relation |
Pruett, C.L., Ricono, A., Spern, C., Winker, K. Island life and isolation: The population genetics of Pacific Wrens on the North Pacific Rim (2017) Condor, 119 (1), pp. 131-142. http://hdl.handle.net/11141/1987 doi:10.1650/CONDOR-16-183.1 |
op_rights |
© 2017 The Authors https://creativecommons.org/licenses/by-nc-nd/4.0/ |
op_doi |
https://doi.org/10.1650/CONDOR-16-183.1 |
container_title |
The Condor |
container_volume |
119 |
container_issue |
1 |
container_start_page |
131 |
op_container_end_page |
142 |
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1779313074606440448 |