Interchange of Southern Hemisphere humpback whales across the South Atlantic Ocean
The cosmopolitan distribution of humpback whales (Megaptera novaeangliae) is largely driven by migrations between winter low-latitude breeding grounds and summer high-latitude feeding grounds. Southern Hemisphere humpback whales faced intensive exploitation during the whaling eras and recently show...
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ftpubmed:oai:pubmedcentral.nih.gov:10030900 2023-05-15T17:10:50+02:00 Interchange of Southern Hemisphere humpback whales across the South Atlantic Ocean Ramos, Eric Angel Cheeseman, Ted Marcondes, Milton Cesar C. Olio, Marilia Vogel, Alexander Elwen, Simon de Melo, Thais H. M. Facchola, Cecília Cipolotti, Sérgio Southerland, Ken Findlay, Ken Seyboth, Elisa McCue, Steven A. Kotze, Pieter G. H. Seakamela, S. Mduduzi 2023-03-21 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10030900/ http://www.ncbi.nlm.nih.gov/pubmed/36944685 https://doi.org/10.1038/s41598-023-31358-5 en eng Nature Publishing Group UK http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10030900/ http://www.ncbi.nlm.nih.gov/pubmed/36944685 http://dx.doi.org/10.1038/s41598-023-31358-5 © The Author(s) 2023 https://creativecommons.org/licenses/by/4.0/Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) . Sci Rep Article Text 2023 ftpubmed https://doi.org/10.1038/s41598-023-31358-5 2023-03-26T02:11:15Z The cosmopolitan distribution of humpback whales (Megaptera novaeangliae) is largely driven by migrations between winter low-latitude breeding grounds and summer high-latitude feeding grounds. Southern Hemisphere humpback whales faced intensive exploitation during the whaling eras and recently show evidence of population recovery. Gene flow and shared song indicate overlap between the western (A) and eastern (B1, B2) Breeding Stocks in the South Atlantic and Indian Oceans (C1). Here, we investigated photo-identification evidence of population interchange using images of individuals photographed during boat-based tourism and research in Brazil and South Africa from 1989 to 2022. Fluke images were uploaded to Happywhale, a global digital database for marine mammal identification. Six whales were recaptured between countries from 2002 to 2021 with resighting intervals ranging from 0.76 to 12.92 years. Four whales originally photographed off Abrolhos Bank, Brazil were photographed off the Western Cape, South Africa (feeding grounds for B2). Two whales originally photographed off the Western Cape were photographed off Brazil, one traveling to the Eastern Cape in the Southwestern Indian Ocean (a migration corridor for C1) before migrating westward to Brazil. These findings photographically confirm interchange of humpback whales across the South Atlantic and Indian Oceans and the importance of international collaboration to understand population boundaries. Text Megaptera novaeangliae South Atlantic Ocean PubMed Central (PMC) Indian Scientific Reports 13 1 |
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Article Ramos, Eric Angel Cheeseman, Ted Marcondes, Milton Cesar C. Olio, Marilia Vogel, Alexander Elwen, Simon de Melo, Thais H. M. Facchola, Cecília Cipolotti, Sérgio Southerland, Ken Findlay, Ken Seyboth, Elisa McCue, Steven A. Kotze, Pieter G. H. Seakamela, S. Mduduzi Interchange of Southern Hemisphere humpback whales across the South Atlantic Ocean |
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The cosmopolitan distribution of humpback whales (Megaptera novaeangliae) is largely driven by migrations between winter low-latitude breeding grounds and summer high-latitude feeding grounds. Southern Hemisphere humpback whales faced intensive exploitation during the whaling eras and recently show evidence of population recovery. Gene flow and shared song indicate overlap between the western (A) and eastern (B1, B2) Breeding Stocks in the South Atlantic and Indian Oceans (C1). Here, we investigated photo-identification evidence of population interchange using images of individuals photographed during boat-based tourism and research in Brazil and South Africa from 1989 to 2022. Fluke images were uploaded to Happywhale, a global digital database for marine mammal identification. Six whales were recaptured between countries from 2002 to 2021 with resighting intervals ranging from 0.76 to 12.92 years. Four whales originally photographed off Abrolhos Bank, Brazil were photographed off the Western Cape, South Africa (feeding grounds for B2). Two whales originally photographed off the Western Cape were photographed off Brazil, one traveling to the Eastern Cape in the Southwestern Indian Ocean (a migration corridor for C1) before migrating westward to Brazil. These findings photographically confirm interchange of humpback whales across the South Atlantic and Indian Oceans and the importance of international collaboration to understand population boundaries. |
format |
Text |
author |
Ramos, Eric Angel Cheeseman, Ted Marcondes, Milton Cesar C. Olio, Marilia Vogel, Alexander Elwen, Simon de Melo, Thais H. M. Facchola, Cecília Cipolotti, Sérgio Southerland, Ken Findlay, Ken Seyboth, Elisa McCue, Steven A. Kotze, Pieter G. H. Seakamela, S. Mduduzi |
author_facet |
Ramos, Eric Angel Cheeseman, Ted Marcondes, Milton Cesar C. Olio, Marilia Vogel, Alexander Elwen, Simon de Melo, Thais H. M. Facchola, Cecília Cipolotti, Sérgio Southerland, Ken Findlay, Ken Seyboth, Elisa McCue, Steven A. Kotze, Pieter G. H. Seakamela, S. Mduduzi |
author_sort |
Ramos, Eric Angel |
title |
Interchange of Southern Hemisphere humpback whales across the South Atlantic Ocean |
title_short |
Interchange of Southern Hemisphere humpback whales across the South Atlantic Ocean |
title_full |
Interchange of Southern Hemisphere humpback whales across the South Atlantic Ocean |
title_fullStr |
Interchange of Southern Hemisphere humpback whales across the South Atlantic Ocean |
title_full_unstemmed |
Interchange of Southern Hemisphere humpback whales across the South Atlantic Ocean |
title_sort |
interchange of southern hemisphere humpback whales across the south atlantic ocean |
publisher |
Nature Publishing Group UK |
publishDate |
2023 |
url |
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10030900/ http://www.ncbi.nlm.nih.gov/pubmed/36944685 https://doi.org/10.1038/s41598-023-31358-5 |
geographic |
Indian |
geographic_facet |
Indian |
genre |
Megaptera novaeangliae South Atlantic Ocean |
genre_facet |
Megaptera novaeangliae South Atlantic Ocean |
op_source |
Sci Rep |
op_relation |
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10030900/ http://www.ncbi.nlm.nih.gov/pubmed/36944685 http://dx.doi.org/10.1038/s41598-023-31358-5 |
op_rights |
© The Author(s) 2023 https://creativecommons.org/licenses/by/4.0/Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) . |
op_doi |
https://doi.org/10.1038/s41598-023-31358-5 |
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Scientific Reports |
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13 |
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