Phylogeography of the world’s tallest angiosperm, Eucalyptus regnans: evidence for multiple isolated Quaternary refugia
Abstract Aim There is a need for more Southern Hemisphere phylogeography studies, particularly in Australia, where, unlike much of Europe and North America, ice sheet cover was not extensive during the Last Glacial Maximum (LGM). This study examines the phylogeography of the south‐east Australian mo...
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crwiley:10.1111/j.1365-2699.2009.02193.x 2024-06-02T08:08:19+00:00 Phylogeography of the world’s tallest angiosperm, Eucalyptus regnans: evidence for multiple isolated Quaternary refugia Nevill, Paul G. Bossinger, Gerd Ades, Peter K. 2009 http://dx.doi.org/10.1111/j.1365-2699.2009.02193.x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fj.1365-2699.2009.02193.x https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1365-2699.2009.02193.x en eng Wiley http://onlinelibrary.wiley.com/termsAndConditions#vor Journal of Biogeography volume 37, issue 1, page 179-192 ISSN 0305-0270 1365-2699 journal-article 2009 crwiley https://doi.org/10.1111/j.1365-2699.2009.02193.x 2024-05-03T11:19:01Z Abstract Aim There is a need for more Southern Hemisphere phylogeography studies, particularly in Australia, where, unlike much of Europe and North America, ice sheet cover was not extensive during the Last Glacial Maximum (LGM). This study examines the phylogeography of the south‐east Australian montane tree species Eucalyptus regnans . The work aimed to identify any major evolutionary divergences or disjunctions across the species’ range and to examine genetic signatures of past range contraction and expansion events. Location South‐eastern mainland Australia and the large island of Tasmania. Methods We determined the chloroplast DNA haplotypes of 410 E. regnans individuals (41 locations) based on five chloroplast microsatellites. Genetic structure was examined using analysis of molecular variance (AMOVA), and a statistical parsimony tree was constructed showing the number of nucleotide differences between haplotypes. Geographic structure in population genetic diversity was examined with the calculation of diversity parameters for the mainland and Tasmania, and for 10 regions. Regional analysis was conducted to test hypotheses that some areas within the species’ current distribution were refugia during the LGM and that other areas have been recolonized by E. regnans since the LGM. Results Among the 410 E. regnans individuals analysed, 31 haplotypes were identified. The statistical parsimony tree shows that haplotypes divided into two distinct groups corresponding to mainland Australia and Tasmania. The distribution of haplotypes across the range of E. regnans shows strong geographic patterns, with many populations and even certain regions in which a particular haplotype is fixed. Many locations had unique haplotypes, particularly those in East Gippsland in south‐eastern mainland Australia, north‐eastern Tasmania and south‐eastern Tasmania. Higher haplotype diversity was found in putative refugia, and lower haplotype diversity in areas likely to have been recolonized since the LGM. Main conclusions The data are ... Article in Journal/Newspaper Ice Sheet Wiley Online Library Journal of Biogeography 37 1 179 192 |
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Open Polar |
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Wiley Online Library |
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crwiley |
language |
English |
description |
Abstract Aim There is a need for more Southern Hemisphere phylogeography studies, particularly in Australia, where, unlike much of Europe and North America, ice sheet cover was not extensive during the Last Glacial Maximum (LGM). This study examines the phylogeography of the south‐east Australian montane tree species Eucalyptus regnans . The work aimed to identify any major evolutionary divergences or disjunctions across the species’ range and to examine genetic signatures of past range contraction and expansion events. Location South‐eastern mainland Australia and the large island of Tasmania. Methods We determined the chloroplast DNA haplotypes of 410 E. regnans individuals (41 locations) based on five chloroplast microsatellites. Genetic structure was examined using analysis of molecular variance (AMOVA), and a statistical parsimony tree was constructed showing the number of nucleotide differences between haplotypes. Geographic structure in population genetic diversity was examined with the calculation of diversity parameters for the mainland and Tasmania, and for 10 regions. Regional analysis was conducted to test hypotheses that some areas within the species’ current distribution were refugia during the LGM and that other areas have been recolonized by E. regnans since the LGM. Results Among the 410 E. regnans individuals analysed, 31 haplotypes were identified. The statistical parsimony tree shows that haplotypes divided into two distinct groups corresponding to mainland Australia and Tasmania. The distribution of haplotypes across the range of E. regnans shows strong geographic patterns, with many populations and even certain regions in which a particular haplotype is fixed. Many locations had unique haplotypes, particularly those in East Gippsland in south‐eastern mainland Australia, north‐eastern Tasmania and south‐eastern Tasmania. Higher haplotype diversity was found in putative refugia, and lower haplotype diversity in areas likely to have been recolonized since the LGM. Main conclusions The data are ... |
format |
Article in Journal/Newspaper |
author |
Nevill, Paul G. Bossinger, Gerd Ades, Peter K. |
spellingShingle |
Nevill, Paul G. Bossinger, Gerd Ades, Peter K. Phylogeography of the world’s tallest angiosperm, Eucalyptus regnans: evidence for multiple isolated Quaternary refugia |
author_facet |
Nevill, Paul G. Bossinger, Gerd Ades, Peter K. |
author_sort |
Nevill, Paul G. |
title |
Phylogeography of the world’s tallest angiosperm, Eucalyptus regnans: evidence for multiple isolated Quaternary refugia |
title_short |
Phylogeography of the world’s tallest angiosperm, Eucalyptus regnans: evidence for multiple isolated Quaternary refugia |
title_full |
Phylogeography of the world’s tallest angiosperm, Eucalyptus regnans: evidence for multiple isolated Quaternary refugia |
title_fullStr |
Phylogeography of the world’s tallest angiosperm, Eucalyptus regnans: evidence for multiple isolated Quaternary refugia |
title_full_unstemmed |
Phylogeography of the world’s tallest angiosperm, Eucalyptus regnans: evidence for multiple isolated Quaternary refugia |
title_sort |
phylogeography of the world’s tallest angiosperm, eucalyptus regnans: evidence for multiple isolated quaternary refugia |
publisher |
Wiley |
publishDate |
2009 |
url |
http://dx.doi.org/10.1111/j.1365-2699.2009.02193.x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fj.1365-2699.2009.02193.x https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1365-2699.2009.02193.x |
genre |
Ice Sheet |
genre_facet |
Ice Sheet |
op_source |
Journal of Biogeography volume 37, issue 1, page 179-192 ISSN 0305-0270 1365-2699 |
op_rights |
http://onlinelibrary.wiley.com/termsAndConditions#vor |
op_doi |
https://doi.org/10.1111/j.1365-2699.2009.02193.x |
container_title |
Journal of Biogeography |
container_volume |
37 |
container_issue |
1 |
container_start_page |
179 |
op_container_end_page |
192 |
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1800753540786814976 |