Spatial models of abundance and habitat preferences of Commerson’s and Peale’s dolphin in southern Patagonian waters
This research was possible with the support of the Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET). Funding for travel to and accommodation for NAD in Aberdeen, Scotland was provided by CONICET and Cetacean Society International. The work of NAD was part of a postdoctoral fellow...
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ftstandrewserep:oai:research-repository.st-andrews.ac.uk:10023/9740 2023-07-02T03:33:43+02:00 Spatial models of abundance and habitat preferences of Commerson’s and Peale’s dolphin in southern Patagonian waters Dellabianca, Natalia A. Pierce, Graham J. Rey, Andrea Raya Scioscia, Gabriela Miller, David L. Torres, Mónica A. Viola, M. Natalia Paso Goodall, R. Natalie P Schiavini, Adrián C M University of St Andrews. School of Mathematics and Statistics University of St Andrews. Centre for Research into Ecological & Environmental Modelling 2016-10-31T13:30:21Z 17 application/pdf http://hdl.handle.net/10023/9740 https://doi.org/10.1371/journal.pone.0163441 http://www.scopus.com/inward/record.url?scp=84992672664&partnerID=8YFLogxK eng eng PLoS One Dellabianca , N A , Pierce , G J , Rey , A R , Scioscia , G , Miller , D L , Torres , M A , Viola , M N P , Goodall , R N P & Schiavini , A C M 2016 , ' Spatial models of abundance and habitat preferences of Commerson’s and Peale’s dolphin in southern Patagonian waters ' , PLoS One , vol. 11 , no. 10 , e0163441 . https://doi.org/10.1371/journal.pone.0163441 1932-6203 PURE: 247264176 PURE UUID: a65cec4f-8214-4120-8c01-3d309c6c4406 RIS: urn:5DF4F99249CE327743B98D1B7147156B Scopus: 84992672664 WOS: 000389602800016 http://hdl.handle.net/10023/9740 https://doi.org/10.1371/journal.pone.0163441 http://www.scopus.com/inward/record.url?scp=84992672664&partnerID=8YFLogxK © 2016 Dellabianca et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. QH301 Biology Medicine(all) Biochemistry Genetics and Molecular Biology(all) Agricultural and Biological Sciences(all) DAS QH301 Journal article 2016 ftstandrewserep https://doi.org/10.1371/journal.pone.0163441 2023-06-13T18:25:28Z This research was possible with the support of the Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET). Funding for travel to and accommodation for NAD in Aberdeen, Scotland was provided by CONICET and Cetacean Society International. The work of NAD was part of a postdoctoral fellowship funded by CONICET. Commerson’s dolphins (Cephalorhynchus c. commersonii) and Peale’s dolphins (Lagenorhynchus australis) are two of the most common species of cetaceans in the coastal waters of southwest South Atlantic Ocean. Both species are listed as Data Deficient by the IUCN, mainly due to the lack of information about population sizes and trends. The goal of this study was to build spatially explicit models for the abundance of both species in relation to environmental variables using data collected during eight scientific cruises along the Patagonian shelf. Spatial models were constructed using generalized additive models. In total, 88 schools (212 individuals) of Commerson’s dolphin and 134 schools (465 individuals) of Peale’s dolphin were recorded in 8,535 km surveyed. Commerson’s dolphin was found less than 60 km from shore; whereas Peale’s dolphins occurred over a wider range of distances from the coast, the number of animals sighted usually being larger near or far from the coast. Fitted models indicate overall abundances of approximately 22,000 Commerson’s dolphins and 20,000 Peale’s dolphins in the total area studied. This work provides the first large-scale abundance estimate for Peale’s dolphin in the Atlantic Ocean and an update of population size for Commerson’s dolphin. Additionally, our results contribute to baseline data on suitable habitat conditions for both species in southern Patagonia, which is essential for the implementation of adequate conservation measures. Publisher PDF Peer reviewed Article in Journal/Newspaper South Atlantic Ocean University of St Andrews: Digital Research Repository Patagonia PLOS ONE 11 10 e0163441 |
institution |
Open Polar |
collection |
University of St Andrews: Digital Research Repository |
op_collection_id |
ftstandrewserep |
language |
English |
topic |
QH301 Biology Medicine(all) Biochemistry Genetics and Molecular Biology(all) Agricultural and Biological Sciences(all) DAS QH301 |
spellingShingle |
QH301 Biology Medicine(all) Biochemistry Genetics and Molecular Biology(all) Agricultural and Biological Sciences(all) DAS QH301 Dellabianca, Natalia A. Pierce, Graham J. Rey, Andrea Raya Scioscia, Gabriela Miller, David L. Torres, Mónica A. Viola, M. Natalia Paso Goodall, R. Natalie P Schiavini, Adrián C M Spatial models of abundance and habitat preferences of Commerson’s and Peale’s dolphin in southern Patagonian waters |
topic_facet |
QH301 Biology Medicine(all) Biochemistry Genetics and Molecular Biology(all) Agricultural and Biological Sciences(all) DAS QH301 |
description |
This research was possible with the support of the Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET). Funding for travel to and accommodation for NAD in Aberdeen, Scotland was provided by CONICET and Cetacean Society International. The work of NAD was part of a postdoctoral fellowship funded by CONICET. Commerson’s dolphins (Cephalorhynchus c. commersonii) and Peale’s dolphins (Lagenorhynchus australis) are two of the most common species of cetaceans in the coastal waters of southwest South Atlantic Ocean. Both species are listed as Data Deficient by the IUCN, mainly due to the lack of information about population sizes and trends. The goal of this study was to build spatially explicit models for the abundance of both species in relation to environmental variables using data collected during eight scientific cruises along the Patagonian shelf. Spatial models were constructed using generalized additive models. In total, 88 schools (212 individuals) of Commerson’s dolphin and 134 schools (465 individuals) of Peale’s dolphin were recorded in 8,535 km surveyed. Commerson’s dolphin was found less than 60 km from shore; whereas Peale’s dolphins occurred over a wider range of distances from the coast, the number of animals sighted usually being larger near or far from the coast. Fitted models indicate overall abundances of approximately 22,000 Commerson’s dolphins and 20,000 Peale’s dolphins in the total area studied. This work provides the first large-scale abundance estimate for Peale’s dolphin in the Atlantic Ocean and an update of population size for Commerson’s dolphin. Additionally, our results contribute to baseline data on suitable habitat conditions for both species in southern Patagonia, which is essential for the implementation of adequate conservation measures. Publisher PDF Peer reviewed |
author2 |
University of St Andrews. School of Mathematics and Statistics University of St Andrews. Centre for Research into Ecological & Environmental Modelling |
format |
Article in Journal/Newspaper |
author |
Dellabianca, Natalia A. Pierce, Graham J. Rey, Andrea Raya Scioscia, Gabriela Miller, David L. Torres, Mónica A. Viola, M. Natalia Paso Goodall, R. Natalie P Schiavini, Adrián C M |
author_facet |
Dellabianca, Natalia A. Pierce, Graham J. Rey, Andrea Raya Scioscia, Gabriela Miller, David L. Torres, Mónica A. Viola, M. Natalia Paso Goodall, R. Natalie P Schiavini, Adrián C M |
author_sort |
Dellabianca, Natalia A. |
title |
Spatial models of abundance and habitat preferences of Commerson’s and Peale’s dolphin in southern Patagonian waters |
title_short |
Spatial models of abundance and habitat preferences of Commerson’s and Peale’s dolphin in southern Patagonian waters |
title_full |
Spatial models of abundance and habitat preferences of Commerson’s and Peale’s dolphin in southern Patagonian waters |
title_fullStr |
Spatial models of abundance and habitat preferences of Commerson’s and Peale’s dolphin in southern Patagonian waters |
title_full_unstemmed |
Spatial models of abundance and habitat preferences of Commerson’s and Peale’s dolphin in southern Patagonian waters |
title_sort |
spatial models of abundance and habitat preferences of commerson’s and peale’s dolphin in southern patagonian waters |
publishDate |
2016 |
url |
http://hdl.handle.net/10023/9740 https://doi.org/10.1371/journal.pone.0163441 http://www.scopus.com/inward/record.url?scp=84992672664&partnerID=8YFLogxK |
geographic |
Patagonia |
geographic_facet |
Patagonia |
genre |
South Atlantic Ocean |
genre_facet |
South Atlantic Ocean |
op_relation |
PLoS One Dellabianca , N A , Pierce , G J , Rey , A R , Scioscia , G , Miller , D L , Torres , M A , Viola , M N P , Goodall , R N P & Schiavini , A C M 2016 , ' Spatial models of abundance and habitat preferences of Commerson’s and Peale’s dolphin in southern Patagonian waters ' , PLoS One , vol. 11 , no. 10 , e0163441 . https://doi.org/10.1371/journal.pone.0163441 1932-6203 PURE: 247264176 PURE UUID: a65cec4f-8214-4120-8c01-3d309c6c4406 RIS: urn:5DF4F99249CE327743B98D1B7147156B Scopus: 84992672664 WOS: 000389602800016 http://hdl.handle.net/10023/9740 https://doi.org/10.1371/journal.pone.0163441 http://www.scopus.com/inward/record.url?scp=84992672664&partnerID=8YFLogxK |
op_rights |
© 2016 Dellabianca et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. |
op_doi |
https://doi.org/10.1371/journal.pone.0163441 |
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