Beluga whale (Delphinapterus leucas) vocalizations and call classification from the eastern Beaufort Sea population
Funding was provided by the Bureau of Ocean Energy Management under InterAgency Agreement M09PG00016. E.C.G. was supported by a National Research Council (National Academy of Sciences) Postdoctoral Fellowship. Beluga whales, Delphinapterus leucas, have a graded call system; call types exist on a con...
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ftstandrewserep:oai:research-repository.st-andrews.ac.uk:10023/7874 2024-04-28T08:14:24+00:00 Beluga whale (Delphinapterus leucas) vocalizations and call classification from the eastern Beaufort Sea population Garland, Ellen Clare Castellote, Manuel Berchok, Catherine University of St Andrews. School of Biology University of St Andrews. Sea Mammal Research Unit University of St Andrews. Centre for Social Learning & Cognitive Evolution University of St Andrews. Centre for Biological Diversity 2015-12-01 2807595 application/pdf https://hdl.handle.net/10023/7874 https://doi.org/10.1121/1.4919338 eng eng Journal of the Acoustical Society of America 198193950 9dd8270a-aa7f-4354-94ad-bae927cb4b48 84934938942 000356622400023 Garland , E C , Castellote , M & Berchok , C 2015 , ' Beluga whale ( Delphinapterus leucas ) vocalizations and call classification from the eastern Beaufort Sea population ' , Journal of the Acoustical Society of America , vol. 137 , no. 6 , pp. 3054-3067 . https://doi.org/10.1121/1.4919338 0001-4966 ORCID: /0000-0002-8240-1267/work/49580209 https://hdl.handle.net/10023/7874 doi:10.1121/1.4919338 QH301 Biology GC Oceanography NDAS QH301 GC Journal article 2015 ftstandrewserep https://doi.org/10.1121/1.4919338 2024-04-03T14:07:22Z Funding was provided by the Bureau of Ocean Energy Management under InterAgency Agreement M09PG00016. E.C.G. was supported by a National Research Council (National Academy of Sciences) Postdoctoral Fellowship. Beluga whales, Delphinapterus leucas, have a graded call system; call types exist on a continuum making classification challenging. A description of vocalizations from the eastern Beaufort Sea beluga population during its spring migration are presented here, using both a non-parametric clas- sification tree analysis (CART), and a Random Forest analysis. Twelve frequency and duration measurements were made on 1019 calls recorded over 14 days off Icy Cape, Alaska, resulting in 34 identifiable call types with 83% agreement in classification for both CART and Random Forest analyses. This high level of agreement in classification, with an initial subjective classification of calls into 36 categories, demonstrates that the methods applied here provide a quantitative analysis of a graded call dataset. Further, as calls cannot be attributed to individuals using single sensor pas- sive acoustic monitoring efforts, these methods provide a comprehensive analysis of data where the influence of pseudo-replication of calls from individuals is unknown. This study is the first to describe the vocal repertoire of a beluga population using a robust and repeatable methodology. A baseline eastern Beaufort Sea beluga population repertoire is presented here, against which the call repertoire of other seasonally sympatric Alaskan beluga populations can be compared. Peer reviewed Article in Journal/Newspaper Beaufort Sea Beluga Beluga whale Beluga* Delphinapterus leucas Alaska University of St Andrews: Digital Research Repository The Journal of the Acoustical Society of America 137 6 3054 3067 |
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Open Polar |
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University of St Andrews: Digital Research Repository |
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ftstandrewserep |
language |
English |
topic |
QH301 Biology GC Oceanography NDAS QH301 GC |
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QH301 Biology GC Oceanography NDAS QH301 GC Garland, Ellen Clare Castellote, Manuel Berchok, Catherine Beluga whale (Delphinapterus leucas) vocalizations and call classification from the eastern Beaufort Sea population |
topic_facet |
QH301 Biology GC Oceanography NDAS QH301 GC |
description |
Funding was provided by the Bureau of Ocean Energy Management under InterAgency Agreement M09PG00016. E.C.G. was supported by a National Research Council (National Academy of Sciences) Postdoctoral Fellowship. Beluga whales, Delphinapterus leucas, have a graded call system; call types exist on a continuum making classification challenging. A description of vocalizations from the eastern Beaufort Sea beluga population during its spring migration are presented here, using both a non-parametric clas- sification tree analysis (CART), and a Random Forest analysis. Twelve frequency and duration measurements were made on 1019 calls recorded over 14 days off Icy Cape, Alaska, resulting in 34 identifiable call types with 83% agreement in classification for both CART and Random Forest analyses. This high level of agreement in classification, with an initial subjective classification of calls into 36 categories, demonstrates that the methods applied here provide a quantitative analysis of a graded call dataset. Further, as calls cannot be attributed to individuals using single sensor pas- sive acoustic monitoring efforts, these methods provide a comprehensive analysis of data where the influence of pseudo-replication of calls from individuals is unknown. This study is the first to describe the vocal repertoire of a beluga population using a robust and repeatable methodology. A baseline eastern Beaufort Sea beluga population repertoire is presented here, against which the call repertoire of other seasonally sympatric Alaskan beluga populations can be compared. Peer reviewed |
author2 |
University of St Andrews. School of Biology University of St Andrews. Sea Mammal Research Unit University of St Andrews. Centre for Social Learning & Cognitive Evolution University of St Andrews. Centre for Biological Diversity |
format |
Article in Journal/Newspaper |
author |
Garland, Ellen Clare Castellote, Manuel Berchok, Catherine |
author_facet |
Garland, Ellen Clare Castellote, Manuel Berchok, Catherine |
author_sort |
Garland, Ellen Clare |
title |
Beluga whale (Delphinapterus leucas) vocalizations and call classification from the eastern Beaufort Sea population |
title_short |
Beluga whale (Delphinapterus leucas) vocalizations and call classification from the eastern Beaufort Sea population |
title_full |
Beluga whale (Delphinapterus leucas) vocalizations and call classification from the eastern Beaufort Sea population |
title_fullStr |
Beluga whale (Delphinapterus leucas) vocalizations and call classification from the eastern Beaufort Sea population |
title_full_unstemmed |
Beluga whale (Delphinapterus leucas) vocalizations and call classification from the eastern Beaufort Sea population |
title_sort |
beluga whale (delphinapterus leucas) vocalizations and call classification from the eastern beaufort sea population |
publishDate |
2015 |
url |
https://hdl.handle.net/10023/7874 https://doi.org/10.1121/1.4919338 |
genre |
Beaufort Sea Beluga Beluga whale Beluga* Delphinapterus leucas Alaska |
genre_facet |
Beaufort Sea Beluga Beluga whale Beluga* Delphinapterus leucas Alaska |
op_relation |
Journal of the Acoustical Society of America 198193950 9dd8270a-aa7f-4354-94ad-bae927cb4b48 84934938942 000356622400023 Garland , E C , Castellote , M & Berchok , C 2015 , ' Beluga whale ( Delphinapterus leucas ) vocalizations and call classification from the eastern Beaufort Sea population ' , Journal of the Acoustical Society of America , vol. 137 , no. 6 , pp. 3054-3067 . https://doi.org/10.1121/1.4919338 0001-4966 ORCID: /0000-0002-8240-1267/work/49580209 https://hdl.handle.net/10023/7874 doi:10.1121/1.4919338 |
op_doi |
https://doi.org/10.1121/1.4919338 |
container_title |
The Journal of the Acoustical Society of America |
container_volume |
137 |
container_issue |
6 |
container_start_page |
3054 |
op_container_end_page |
3067 |
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