A Worldwide Perspective on the Population Structure and Genetic Diversity of Bottlenose Dolphins (Tursiops truncatus) in New Zealand
None: Bottlenose dolphins (Tursiops truncatus) occupy a wide range of coastal and pelagic habitats throughout tropical and temperate waters worldwide. In some regions, "inshore" and "offshore" forms or ecotypes differ genetically and morphologically, despite no obvious boundaries...
Published in: | Journal of Heredity |
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Main Authors: | , , , , , , , , , , , , , |
Format: | Article in Journal/Newspaper |
Language: | unknown |
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Oxford University Press (OUP)
2008
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Subjects: | |
Online Access: | http://academic.oup.com/jhered/article-pdf/100/1/11/14115105/esn039.pdf https://academic.oup.com/jhered/article-pdf/100/1/11/14115105/esn039.pdf http://www.cascadiaresearch.org/robin/Tezanosetal2008.pdf https://doi.org/10.1093/jhered/esn039 https://academic.oup.com/jhered/article/100/1/11/767579 https://pubmed.ncbi.nlm.nih.gov/18495650/ https://www.ncbi.nlm.nih.gov/pubmed/18495650 https://academic.microsoft.com/#/detail/2147446985 |
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envir geo |
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envir geo Marc Oremus Alistair Hutt Antonio A. Mignucci-Giannoni Kirsty Russell Charles Scott Baker Susana Caballero Gregory Stone Carlos Olavarría Shane Lavery Gabriela Tezanos-Pinto Claire Garrigue Tetusya Endo Karen K. Martien Robin W. Baird A Worldwide Perspective on the Population Structure and Genetic Diversity of Bottlenose Dolphins (Tursiops truncatus) in New Zealand |
topic_facet |
envir geo |
description |
None: Bottlenose dolphins (Tursiops truncatus) occupy a wide range of coastal and pelagic habitats throughout tropical and temperate waters worldwide. In some regions, "inshore" and "offshore" forms or ecotypes differ genetically and morphologically, despite no obvious boundaries to interchange. Around New Zealand, bottlenose dolphins inhabit 3 coastal regions: Northland, Marlborough Sounds, and Fiordland. Previous demographic studies showed no interchange of individuals among these populations. Here, we describe the genetic structure and diversity of these populations using skin samples collected with a remote biopsy dart. Analysis of the molecular variance from mitochondrial DNA (mtDNA) control region sequences (n = 193) showed considerable differentiation among populations (F(ST) = 0.17, Phi(ST) = 0.21, P < 0.001) suggesting little or no female gene flow or interchange. All 3 populations showed higher mtDNA diversity than expected given their small population sizes and isolation. To explain the source of this variation, 22 control region haplotypes from New Zealand were compared with 108 haplotypes worldwide representing 586 individuals from 19 populations and including both inshore and offshore ecotypes as described in the Western North Atlantic. All haplotypes found in the Pacific, regardless of population habitat use (i.e., coastal or pelagic), are more divergent from populations described as inshore ecotype in the Western North Atlantic than from populations described as offshore ecotype. Analysis of gene flow indicated long-distance dispersal among coastal and pelagic populations worldwide (except for those haplotypes described as inshore ecotype in the Western North Atlantic), suggesting that these populations are interconnected on an evolutionary timescale. This finding suggests that habitat specialization has occurred independently in different ocean basins, perhaps with Tursiops aduncus filling the ecological niche of the inshore ecotype in some coastal regions of the Indian and Western Pacific ... |
format |
Article in Journal/Newspaper |
author |
Marc Oremus Alistair Hutt Antonio A. Mignucci-Giannoni Kirsty Russell Charles Scott Baker Susana Caballero Gregory Stone Carlos Olavarría Shane Lavery Gabriela Tezanos-Pinto Claire Garrigue Tetusya Endo Karen K. Martien Robin W. Baird |
author_facet |
Marc Oremus Alistair Hutt Antonio A. Mignucci-Giannoni Kirsty Russell Charles Scott Baker Susana Caballero Gregory Stone Carlos Olavarría Shane Lavery Gabriela Tezanos-Pinto Claire Garrigue Tetusya Endo Karen K. Martien Robin W. Baird |
author_sort |
Marc Oremus |
title |
A Worldwide Perspective on the Population Structure and Genetic Diversity of Bottlenose Dolphins (Tursiops truncatus) in New Zealand |
title_short |
A Worldwide Perspective on the Population Structure and Genetic Diversity of Bottlenose Dolphins (Tursiops truncatus) in New Zealand |
title_full |
A Worldwide Perspective on the Population Structure and Genetic Diversity of Bottlenose Dolphins (Tursiops truncatus) in New Zealand |
title_fullStr |
A Worldwide Perspective on the Population Structure and Genetic Diversity of Bottlenose Dolphins (Tursiops truncatus) in New Zealand |
title_full_unstemmed |
A Worldwide Perspective on the Population Structure and Genetic Diversity of Bottlenose Dolphins (Tursiops truncatus) in New Zealand |
title_sort |
worldwide perspective on the population structure and genetic diversity of bottlenose dolphins (tursiops truncatus) in new zealand |
publisher |
Oxford University Press (OUP) |
publishDate |
2008 |
url |
http://academic.oup.com/jhered/article-pdf/100/1/11/14115105/esn039.pdf https://academic.oup.com/jhered/article-pdf/100/1/11/14115105/esn039.pdf http://www.cascadiaresearch.org/robin/Tezanosetal2008.pdf https://doi.org/10.1093/jhered/esn039 https://academic.oup.com/jhered/article/100/1/11/767579 https://pubmed.ncbi.nlm.nih.gov/18495650/ https://www.ncbi.nlm.nih.gov/pubmed/18495650 https://academic.microsoft.com/#/detail/2147446985 |
geographic |
Indian New Zealand Pacific |
geographic_facet |
Indian New Zealand Pacific |
genre |
North Atlantic |
genre_facet |
North Atlantic |
op_source |
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Journal of Heredity |
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fttriple:oai:gotriple.eu:50|dedup_wf_001::72300ba0f8637d6f22e37d25d9dbfe76 2023-05-15T17:29:42+02:00 A Worldwide Perspective on the Population Structure and Genetic Diversity of Bottlenose Dolphins (Tursiops truncatus) in New Zealand Marc Oremus Alistair Hutt Antonio A. Mignucci-Giannoni Kirsty Russell Charles Scott Baker Susana Caballero Gregory Stone Carlos Olavarría Shane Lavery Gabriela Tezanos-Pinto Claire Garrigue Tetusya Endo Karen K. Martien Robin W. Baird 2008-05-20 http://academic.oup.com/jhered/article-pdf/100/1/11/14115105/esn039.pdf https://academic.oup.com/jhered/article-pdf/100/1/11/14115105/esn039.pdf http://www.cascadiaresearch.org/robin/Tezanosetal2008.pdf https://doi.org/10.1093/jhered/esn039 https://academic.oup.com/jhered/article/100/1/11/767579 https://pubmed.ncbi.nlm.nih.gov/18495650/ https://www.ncbi.nlm.nih.gov/pubmed/18495650 https://academic.microsoft.com/#/detail/2147446985 undefined unknown Oxford University Press (OUP) http://academic.oup.com/jhered/article-pdf/100/1/11/14115105/esn039.pdf https://academic.oup.com/jhered/article-pdf/100/1/11/14115105/esn039.pdf http://www.cascadiaresearch.org/robin/Tezanosetal2008.pdf http://dx.doi.org/10.1093/jhered/esn039 https://academic.oup.com/jhered/article/100/1/11/767579 https://pubmed.ncbi.nlm.nih.gov/18495650/ https://www.ncbi.nlm.nih.gov/pubmed/18495650 https://academic.microsoft.com/#/detail/2147446985 https://dx.doi.org/10.1093/jhered/esn039 undefined 10.1093/jhered/esn039 2147446985 18495650 10|openaire____::081b82f96300b6a6e3d282bad31cb6e2 10|issn___print::662bd97507eb11635097f6fd0f439ea2 10|openaire____::8ac8380272269217cb09a928c8caa993 10|openaire____::5f532a3fc4f1ea403f37070f59a7a53a 10|openaire____::9e3be59865b2c1c335d32dae2fe7b254 openaire____::1256f046-bf1f-4afc-8b47-d0b147148b18 10|openaire____::55045bd2a65019fd8e6741a755395c8c 10|openaire____::806360c771262b4d6770e7cdf04b5c5a 10|opendoar____::8b6dd7db9af49e67306feb59a8bdc52c 10|opendoar____::eda80a3d5b344bc40f3bc04f65b7a357 envir geo Journal Article https://vocabularies.coar-repositories.org/resource_types/c_6501/ 2008 fttriple https://doi.org/10.1093/jhered/esn039 2023-01-22T17:16:19Z None: Bottlenose dolphins (Tursiops truncatus) occupy a wide range of coastal and pelagic habitats throughout tropical and temperate waters worldwide. In some regions, "inshore" and "offshore" forms or ecotypes differ genetically and morphologically, despite no obvious boundaries to interchange. Around New Zealand, bottlenose dolphins inhabit 3 coastal regions: Northland, Marlborough Sounds, and Fiordland. Previous demographic studies showed no interchange of individuals among these populations. Here, we describe the genetic structure and diversity of these populations using skin samples collected with a remote biopsy dart. Analysis of the molecular variance from mitochondrial DNA (mtDNA) control region sequences (n = 193) showed considerable differentiation among populations (F(ST) = 0.17, Phi(ST) = 0.21, P < 0.001) suggesting little or no female gene flow or interchange. All 3 populations showed higher mtDNA diversity than expected given their small population sizes and isolation. To explain the source of this variation, 22 control region haplotypes from New Zealand were compared with 108 haplotypes worldwide representing 586 individuals from 19 populations and including both inshore and offshore ecotypes as described in the Western North Atlantic. All haplotypes found in the Pacific, regardless of population habitat use (i.e., coastal or pelagic), are more divergent from populations described as inshore ecotype in the Western North Atlantic than from populations described as offshore ecotype. Analysis of gene flow indicated long-distance dispersal among coastal and pelagic populations worldwide (except for those haplotypes described as inshore ecotype in the Western North Atlantic), suggesting that these populations are interconnected on an evolutionary timescale. This finding suggests that habitat specialization has occurred independently in different ocean basins, perhaps with Tursiops aduncus filling the ecological niche of the inshore ecotype in some coastal regions of the Indian and Western Pacific ... Article in Journal/Newspaper North Atlantic Unknown Indian New Zealand Pacific Journal of Heredity 100 1 11 24 |