Re-evaluating patterns of caribou classification in western North America: implications for conservation intraspecies diversity
Recent biogeographic history in North America has been dominated by glacial- interglacial cycles. The repeated isolation and reconnection of populations of various taxa has had a profound impact on intraspecies diversity. Many formal classifications of this diversity used morphological traits, but t...
Main Authors: | , , , , |
---|---|
Other Authors: | |
Format: | Conference Object |
Language: | English |
Published: |
2011
|
Subjects: | |
Online Access: | https://hdl.handle.net/11585/907235 |
id |
ftunibolognairis:oai:cris.unibo.it:11585/907235 |
---|---|
record_format |
openpolar |
spelling |
ftunibolognairis:oai:cris.unibo.it:11585/907235 2024-04-14T08:18:40+00:00 Re-evaluating patterns of caribou classification in western North America: implications for conservation intraspecies diversity Weckworth BV Musiani M McDevitt AD Hebblewhite M Mariani S Weckworth* BV, Musiani M, McDevitt* AD, Hebblewhite M, Mariani S 2011 ELETTRONICO https://hdl.handle.net/11585/907235 eng eng ispartofbook:Book of abstracts - 4th Annual Research Symposium of the Montana Chapter of the Society for Conservation Biology 4th Annual Research Symposium of the Montana Chapter of the Society for Conservation Biology firstpage:21 lastpage:22 numberofpages:2 https://hdl.handle.net/11585/907235 No keywords available info:eu-repo/semantics/conferenceObject 2011 ftunibolognairis 2024-03-21T17:07:10Z Recent biogeographic history in North America has been dominated by glacial- interglacial cycles. The repeated isolation and reconnection of populations of various taxa has had a profound impact on intraspecies diversity. Many formal classifications of this diversity used morphological traits, but these often confound with genetic data. As habitats become increasingly fragmented and populations become isolated, an understanding of subspecific diversity (e.g. ESUs) in threatened and endangered species is paramount to appropriate management intended to promote connectivity. Through analysis of mitochondrial DNA sequences and 14 microsatellite loci we elucidate the phylogeographic history of caribou (Rangifer tarandus) and reevaluate their classification in western North America. Results indicate important restructuring of caribou subspecies, their distribution and the designation of ecotypes. For example, the subspecies R.t. grantiof Alaska and R.t. groenlandicus of northern Canada show significant genetic diversity, reciprocal introgression and common ancestry, belying sufficient differentiation expected at the subspecies level. Conversely, the Northern Mountain ecotype of woodland caribou (R.t. caribou) appears to have closer kinship to caribou classified as grantiorgroenlandicusthan to woodland caribou. These results provide important insight into the evolutionary history of caribou in North America, and are important for managers evaluating source populations for caribou translocation conservation measures. Conference Object Rangifer tarandus Alaska IRIS Università degli Studi di Bologna (CRIS - Current Research Information System) Canada |
institution |
Open Polar |
collection |
IRIS Università degli Studi di Bologna (CRIS - Current Research Information System) |
op_collection_id |
ftunibolognairis |
language |
English |
topic |
No keywords available |
spellingShingle |
No keywords available Weckworth BV Musiani M McDevitt AD Hebblewhite M Mariani S Re-evaluating patterns of caribou classification in western North America: implications for conservation intraspecies diversity |
topic_facet |
No keywords available |
description |
Recent biogeographic history in North America has been dominated by glacial- interglacial cycles. The repeated isolation and reconnection of populations of various taxa has had a profound impact on intraspecies diversity. Many formal classifications of this diversity used morphological traits, but these often confound with genetic data. As habitats become increasingly fragmented and populations become isolated, an understanding of subspecific diversity (e.g. ESUs) in threatened and endangered species is paramount to appropriate management intended to promote connectivity. Through analysis of mitochondrial DNA sequences and 14 microsatellite loci we elucidate the phylogeographic history of caribou (Rangifer tarandus) and reevaluate their classification in western North America. Results indicate important restructuring of caribou subspecies, their distribution and the designation of ecotypes. For example, the subspecies R.t. grantiof Alaska and R.t. groenlandicus of northern Canada show significant genetic diversity, reciprocal introgression and common ancestry, belying sufficient differentiation expected at the subspecies level. Conversely, the Northern Mountain ecotype of woodland caribou (R.t. caribou) appears to have closer kinship to caribou classified as grantiorgroenlandicusthan to woodland caribou. These results provide important insight into the evolutionary history of caribou in North America, and are important for managers evaluating source populations for caribou translocation conservation measures. |
author2 |
Weckworth* BV, Musiani M, McDevitt* AD, Hebblewhite M, Mariani S |
format |
Conference Object |
author |
Weckworth BV Musiani M McDevitt AD Hebblewhite M Mariani S |
author_facet |
Weckworth BV Musiani M McDevitt AD Hebblewhite M Mariani S |
author_sort |
Weckworth BV |
title |
Re-evaluating patterns of caribou classification in western North America: implications for conservation intraspecies diversity |
title_short |
Re-evaluating patterns of caribou classification in western North America: implications for conservation intraspecies diversity |
title_full |
Re-evaluating patterns of caribou classification in western North America: implications for conservation intraspecies diversity |
title_fullStr |
Re-evaluating patterns of caribou classification in western North America: implications for conservation intraspecies diversity |
title_full_unstemmed |
Re-evaluating patterns of caribou classification in western North America: implications for conservation intraspecies diversity |
title_sort |
re-evaluating patterns of caribou classification in western north america: implications for conservation intraspecies diversity |
publishDate |
2011 |
url |
https://hdl.handle.net/11585/907235 |
geographic |
Canada |
geographic_facet |
Canada |
genre |
Rangifer tarandus Alaska |
genre_facet |
Rangifer tarandus Alaska |
op_relation |
ispartofbook:Book of abstracts - 4th Annual Research Symposium of the Montana Chapter of the Society for Conservation Biology 4th Annual Research Symposium of the Montana Chapter of the Society for Conservation Biology firstpage:21 lastpage:22 numberofpages:2 https://hdl.handle.net/11585/907235 |
_version_ |
1796318200360599552 |