Diel patterns of fin whale 20 Hz acoustic presence in Eastern Antarctic waters
This study presents evidence of diel patterns in fin whale ( Balaenoptera physalus ) 20 Hz acoustic presence in Eastern Antarctic waters. Passive acoustic recordings were collected at four sites in Eastern Antarctica from 2013 to 2019. A generalized linear model fitted by a generalized estimating eq...
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crroyalsociety:10.1098/rsos.220499 2024-06-02T07:57:54+00:00 Diel patterns of fin whale 20 Hz acoustic presence in Eastern Antarctic waters Aulich, Meghan G. Miller, Brian S. Samaran, Flore McCauley, Robert D. Saunders, Benjamin J. Erbe, Christine 2023 http://dx.doi.org/10.1098/rsos.220499 https://royalsocietypublishing.org/doi/pdf/10.1098/rsos.220499 https://royalsocietypublishing.org/doi/full-xml/10.1098/rsos.220499 en eng The Royal Society https://royalsociety.org/journals/ethics-policies/data-sharing-mining/ Royal Society Open Science volume 10, issue 4 ISSN 2054-5703 journal-article 2023 crroyalsociety https://doi.org/10.1098/rsos.220499 2024-05-07T14:16:13Z This study presents evidence of diel patterns in fin whale ( Balaenoptera physalus ) 20 Hz acoustic presence in Eastern Antarctic waters. Passive acoustic recordings were collected at four sites in Eastern Antarctica from 2013 to 2019. A generalized linear model fitted by a generalized estimating equation was used to test the hypothesis that fin whale 20 Hz acoustic presence shows significant variation between light regimes dawn, day, dusk and night. In the Indian sector of Antarctica, at the Prydz and Southern Kerguelen Plateau sites, fin whale acoustic presence was significantly more common during the night and dawn before declining during the day and dusk periods. A different diel pattern was observed in the Pacific sector, at the Dumont d'Urville site: fin whale acoustic presence was significantly more common during the day than dusk and night periods. No diel pattern was identified at the Casey site. The identified diel patterns in the Indian sector of Eastern Antarctica correlate with previously identified diel patterns of the fin whales' prey. We suggest an indirect association between fin whale acoustic presence and foraging, with the animals more likely to produce the 20 Hz pulse during the night when not foraging and less likely to vocalize when foraging during the day. Article in Journal/Newspaper Antarc* Antarctic Antarctica Balaenoptera physalus Fin whale The Royal Society Antarctic Dumont d'Urville ENVELOPE(140.017,140.017,-66.667,-66.667) Dumont-d'Urville ENVELOPE(140.013,140.013,-66.667,-66.667) Indian Kerguelen Pacific Royal Society Open Science 10 4 |
institution |
Open Polar |
collection |
The Royal Society |
op_collection_id |
crroyalsociety |
language |
English |
description |
This study presents evidence of diel patterns in fin whale ( Balaenoptera physalus ) 20 Hz acoustic presence in Eastern Antarctic waters. Passive acoustic recordings were collected at four sites in Eastern Antarctica from 2013 to 2019. A generalized linear model fitted by a generalized estimating equation was used to test the hypothesis that fin whale 20 Hz acoustic presence shows significant variation between light regimes dawn, day, dusk and night. In the Indian sector of Antarctica, at the Prydz and Southern Kerguelen Plateau sites, fin whale acoustic presence was significantly more common during the night and dawn before declining during the day and dusk periods. A different diel pattern was observed in the Pacific sector, at the Dumont d'Urville site: fin whale acoustic presence was significantly more common during the day than dusk and night periods. No diel pattern was identified at the Casey site. The identified diel patterns in the Indian sector of Eastern Antarctica correlate with previously identified diel patterns of the fin whales' prey. We suggest an indirect association between fin whale acoustic presence and foraging, with the animals more likely to produce the 20 Hz pulse during the night when not foraging and less likely to vocalize when foraging during the day. |
format |
Article in Journal/Newspaper |
author |
Aulich, Meghan G. Miller, Brian S. Samaran, Flore McCauley, Robert D. Saunders, Benjamin J. Erbe, Christine |
spellingShingle |
Aulich, Meghan G. Miller, Brian S. Samaran, Flore McCauley, Robert D. Saunders, Benjamin J. Erbe, Christine Diel patterns of fin whale 20 Hz acoustic presence in Eastern Antarctic waters |
author_facet |
Aulich, Meghan G. Miller, Brian S. Samaran, Flore McCauley, Robert D. Saunders, Benjamin J. Erbe, Christine |
author_sort |
Aulich, Meghan G. |
title |
Diel patterns of fin whale 20 Hz acoustic presence in Eastern Antarctic waters |
title_short |
Diel patterns of fin whale 20 Hz acoustic presence in Eastern Antarctic waters |
title_full |
Diel patterns of fin whale 20 Hz acoustic presence in Eastern Antarctic waters |
title_fullStr |
Diel patterns of fin whale 20 Hz acoustic presence in Eastern Antarctic waters |
title_full_unstemmed |
Diel patterns of fin whale 20 Hz acoustic presence in Eastern Antarctic waters |
title_sort |
diel patterns of fin whale 20 hz acoustic presence in eastern antarctic waters |
publisher |
The Royal Society |
publishDate |
2023 |
url |
http://dx.doi.org/10.1098/rsos.220499 https://royalsocietypublishing.org/doi/pdf/10.1098/rsos.220499 https://royalsocietypublishing.org/doi/full-xml/10.1098/rsos.220499 |
long_lat |
ENVELOPE(140.017,140.017,-66.667,-66.667) ENVELOPE(140.013,140.013,-66.667,-66.667) |
geographic |
Antarctic Dumont d'Urville Dumont-d'Urville Indian Kerguelen Pacific |
geographic_facet |
Antarctic Dumont d'Urville Dumont-d'Urville Indian Kerguelen Pacific |
genre |
Antarc* Antarctic Antarctica Balaenoptera physalus Fin whale |
genre_facet |
Antarc* Antarctic Antarctica Balaenoptera physalus Fin whale |
op_source |
Royal Society Open Science volume 10, issue 4 ISSN 2054-5703 |
op_rights |
https://royalsociety.org/journals/ethics-policies/data-sharing-mining/ |
op_doi |
https://doi.org/10.1098/rsos.220499 |
container_title |
Royal Society Open Science |
container_volume |
10 |
container_issue |
4 |
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1800741131183456256 |