The origins of white-chinned petrels killed by long-line fisheries off South Africa and New Zealand
The white-chinned petrel (Procellaria aequinoctialis) is the seabird species most frequently killed by fisheries in the Southern Ocean and is listed by the International Union for the Conservation of Nature and Natural Resources as globally vulnerable. It breeds around the sub-Antarctic, but genetic...
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ftjpolarres:oai:journals.openacademia.net:article/3287 2024-06-23T07:47:12+00:00 The origins of white-chinned petrels killed by long-line fisheries off South Africa and New Zealand Techow, N.M.S. Mareile O'Ryan, Colleen Robertson, Christopher J.R. Ryan, Peter G. 2016-06-21 application/pdf text/html application/epub+zip application/xml https://polarresearch.net/index.php/polar/article/view/3287 https://doi.org/10.3402/polar.v35.21150 eng eng Norwegian Polar Institute https://polarresearch.net/index.php/polar/article/view/3287/8947 https://polarresearch.net/index.php/polar/article/view/3287/8948 https://polarresearch.net/index.php/polar/article/view/3287/8949 https://polarresearch.net/index.php/polar/article/view/3287/8950 https://polarresearch.net/index.php/polar/article/view/3287/8960 https://polarresearch.net/index.php/polar/article/view/3287 doi:10.3402/polar.v35.21150 Polar Research; Vol 35 (2016) 1751-8369 Fishery bycatch Procellaria aequinoctialis genetic structure genetic diversity demographic impact info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion 2016 ftjpolarres https://doi.org/10.3402/polar.v35.21150 2024-06-13T23:33:00Z The white-chinned petrel (Procellaria aequinoctialis) is the seabird species most frequently killed by fisheries in the Southern Ocean and is listed by the International Union for the Conservation of Nature and Natural Resources as globally vulnerable. It breeds around the sub-Antarctic, but genetic data identified two subspecies: P. a. aequinoctialis from islands in the Atlantic and Indian Oceans and P. a. steadi from the New Zealand sub-Antarctic islands. We identify the region of origin of birds killed by two long-line fisheries based on differences in the mitochondrial gene cytochrome b. All 113 birds killed off South Africa had the haplotype of P. a. aequinoctialis, whereas all the 60 birds from New Zealand had P. a. steadi haplotypes. The two subspecies of white-chinned petrels thus appear to disperse to different regions irrespective of their age, which accords with the tracking data of adult birds. Our finding has significant implications for managing the bycatch of this species by regional fisheries.Keywords: Fishery bycatch; Procellaria aequinoctialis; genetic structure; genetic diversity; demographic impact.(Published: 21 June 2016)To access the supplementary material for this article, please see the supplementary file in the column to the right (under Article Tools).Citation: Polar Research 2016, 35, 21150, http://dx.doi.org/10.3402/polar.v35.21150 Article in Journal/Newspaper Antarc* Antarctic Polar Research Southern Ocean Polar Research Antarctic Indian New Zealand Southern Ocean Polar Research 35 1 21150 |
institution |
Open Polar |
collection |
Polar Research |
op_collection_id |
ftjpolarres |
language |
English |
topic |
Fishery bycatch Procellaria aequinoctialis genetic structure genetic diversity demographic impact |
spellingShingle |
Fishery bycatch Procellaria aequinoctialis genetic structure genetic diversity demographic impact Techow, N.M.S. Mareile O'Ryan, Colleen Robertson, Christopher J.R. Ryan, Peter G. The origins of white-chinned petrels killed by long-line fisheries off South Africa and New Zealand |
topic_facet |
Fishery bycatch Procellaria aequinoctialis genetic structure genetic diversity demographic impact |
description |
The white-chinned petrel (Procellaria aequinoctialis) is the seabird species most frequently killed by fisheries in the Southern Ocean and is listed by the International Union for the Conservation of Nature and Natural Resources as globally vulnerable. It breeds around the sub-Antarctic, but genetic data identified two subspecies: P. a. aequinoctialis from islands in the Atlantic and Indian Oceans and P. a. steadi from the New Zealand sub-Antarctic islands. We identify the region of origin of birds killed by two long-line fisheries based on differences in the mitochondrial gene cytochrome b. All 113 birds killed off South Africa had the haplotype of P. a. aequinoctialis, whereas all the 60 birds from New Zealand had P. a. steadi haplotypes. The two subspecies of white-chinned petrels thus appear to disperse to different regions irrespective of their age, which accords with the tracking data of adult birds. Our finding has significant implications for managing the bycatch of this species by regional fisheries.Keywords: Fishery bycatch; Procellaria aequinoctialis; genetic structure; genetic diversity; demographic impact.(Published: 21 June 2016)To access the supplementary material for this article, please see the supplementary file in the column to the right (under Article Tools).Citation: Polar Research 2016, 35, 21150, http://dx.doi.org/10.3402/polar.v35.21150 |
format |
Article in Journal/Newspaper |
author |
Techow, N.M.S. Mareile O'Ryan, Colleen Robertson, Christopher J.R. Ryan, Peter G. |
author_facet |
Techow, N.M.S. Mareile O'Ryan, Colleen Robertson, Christopher J.R. Ryan, Peter G. |
author_sort |
Techow, N.M.S. Mareile |
title |
The origins of white-chinned petrels killed by long-line fisheries off South Africa and New Zealand |
title_short |
The origins of white-chinned petrels killed by long-line fisheries off South Africa and New Zealand |
title_full |
The origins of white-chinned petrels killed by long-line fisheries off South Africa and New Zealand |
title_fullStr |
The origins of white-chinned petrels killed by long-line fisheries off South Africa and New Zealand |
title_full_unstemmed |
The origins of white-chinned petrels killed by long-line fisheries off South Africa and New Zealand |
title_sort |
origins of white-chinned petrels killed by long-line fisheries off south africa and new zealand |
publisher |
Norwegian Polar Institute |
publishDate |
2016 |
url |
https://polarresearch.net/index.php/polar/article/view/3287 https://doi.org/10.3402/polar.v35.21150 |
geographic |
Antarctic Indian New Zealand Southern Ocean |
geographic_facet |
Antarctic Indian New Zealand Southern Ocean |
genre |
Antarc* Antarctic Polar Research Southern Ocean |
genre_facet |
Antarc* Antarctic Polar Research Southern Ocean |
op_source |
Polar Research; Vol 35 (2016) 1751-8369 |
op_relation |
https://polarresearch.net/index.php/polar/article/view/3287/8947 https://polarresearch.net/index.php/polar/article/view/3287/8948 https://polarresearch.net/index.php/polar/article/view/3287/8949 https://polarresearch.net/index.php/polar/article/view/3287/8950 https://polarresearch.net/index.php/polar/article/view/3287/8960 https://polarresearch.net/index.php/polar/article/view/3287 doi:10.3402/polar.v35.21150 |
op_doi |
https://doi.org/10.3402/polar.v35.21150 |
container_title |
Polar Research |
container_volume |
35 |
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1 |
container_start_page |
21150 |
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1802651290571898880 |