DataSheet_1_Vocalizing humpback whales (Megaptera novaeangliae) migrating from Antarctic feeding grounds arrive earlier and earlier in the Perth Canyon, Western Australia.docx
Migratory species undertake seasonal, long-distance travel between feeding and breeding grounds, and time their arrivals with high-quality resources. The Breeding Stock D population of humpback whales (Megaptera novaeangliae) migrates from Antarctic to Western Australian waters every austral winter....
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Online Access: | https://doi.org/10.3389/fmars.2022.1086763.s001 https://figshare.com/articles/dataset/DataSheet_1_Vocalizing_humpback_whales_Megaptera_novaeangliae_migrating_from_Antarctic_feeding_grounds_arrive_earlier_and_earlier_in_the_Perth_Canyon_Western_Australia_docx/21750899 |
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ftfrontimediafig:oai:figshare.com:article/21750899 2023-05-15T13:50:38+02:00 DataSheet_1_Vocalizing humpback whales (Megaptera novaeangliae) migrating from Antarctic feeding grounds arrive earlier and earlier in the Perth Canyon, Western Australia.docx Corinna Gosby Christine Erbe Euan S. Harvey Marcela Montserrat Figueroa Landero Robert D. McCauley 2022-12-19T14:51:34Z https://doi.org/10.3389/fmars.2022.1086763.s001 https://figshare.com/articles/dataset/DataSheet_1_Vocalizing_humpback_whales_Megaptera_novaeangliae_migrating_from_Antarctic_feeding_grounds_arrive_earlier_and_earlier_in_the_Perth_Canyon_Western_Australia_docx/21750899 unknown doi:10.3389/fmars.2022.1086763.s001 https://figshare.com/articles/dataset/DataSheet_1_Vocalizing_humpback_whales_Megaptera_novaeangliae_migrating_from_Antarctic_feeding_grounds_arrive_earlier_and_earlier_in_the_Perth_Canyon_Western_Australia_docx/21750899 CC BY 4.0 CC-BY Oceanography Marine Biology Marine Geoscience Biological Oceanography Chemical Oceanography Physical Oceanography Marine Engineering humpback whale migration arrival acoustics Australia Antarctica Dataset 2022 ftfrontimediafig https://doi.org/10.3389/fmars.2022.1086763.s001 2022-12-22T00:09:10Z Migratory species undertake seasonal, long-distance travel between feeding and breeding grounds, and time their arrivals with high-quality resources. The Breeding Stock D population of humpback whales (Megaptera novaeangliae) migrates from Antarctic to Western Australian waters every austral winter. Based on 16 years (2002-2017) of passive acoustic recordings in the Perth Canyon, Western Australia, the hourly presence/absence of humpback whale vocalizations was used as an indicator of inter-annual changes in migration timing. A trend of earlier arrivals in the Perth Canyon by 1.4 days/year during the northward migration and possibly earlier departures from the Perth Canyon during the southward migration was observed. A distance-based linear model and a generalized linear model (GLM) both identified sea surface temperature (SST) as the most significant predictor for acoustic presence in the Perth Canyon. A 1 °C increase in SST corresponded to a decrease in humpback whale acoustic presence by 4.4 hours/day. Mean SST at the peak of the humpback whale season in the Perth Canyon was 19 °C. Exploratory analysis of the metocean environment of the Antarctic feeding grounds suggested that whales were leaving the Antarctic at the end of the austral summer, as sea ice concentration (SIC) increased and SST decreased. Further research should investigate whether changes in the metocean conditions on Australian breeding grounds correspond to changing departures from the Perth Canyon during the southward migration. If environmental conditions on breeding and feeding grounds change out-of-sync, migrating whales might be unable to arrive at either ground during optimal conditions. Dataset Antarc* Antarctic Antarctica Humpback Whale Megaptera novaeangliae Sea ice Frontiers: Figshare Antarctic Austral The Antarctic |
institution |
Open Polar |
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Frontiers: Figshare |
op_collection_id |
ftfrontimediafig |
language |
unknown |
topic |
Oceanography Marine Biology Marine Geoscience Biological Oceanography Chemical Oceanography Physical Oceanography Marine Engineering humpback whale migration arrival acoustics Australia Antarctica |
spellingShingle |
Oceanography Marine Biology Marine Geoscience Biological Oceanography Chemical Oceanography Physical Oceanography Marine Engineering humpback whale migration arrival acoustics Australia Antarctica Corinna Gosby Christine Erbe Euan S. Harvey Marcela Montserrat Figueroa Landero Robert D. McCauley DataSheet_1_Vocalizing humpback whales (Megaptera novaeangliae) migrating from Antarctic feeding grounds arrive earlier and earlier in the Perth Canyon, Western Australia.docx |
topic_facet |
Oceanography Marine Biology Marine Geoscience Biological Oceanography Chemical Oceanography Physical Oceanography Marine Engineering humpback whale migration arrival acoustics Australia Antarctica |
description |
Migratory species undertake seasonal, long-distance travel between feeding and breeding grounds, and time their arrivals with high-quality resources. The Breeding Stock D population of humpback whales (Megaptera novaeangliae) migrates from Antarctic to Western Australian waters every austral winter. Based on 16 years (2002-2017) of passive acoustic recordings in the Perth Canyon, Western Australia, the hourly presence/absence of humpback whale vocalizations was used as an indicator of inter-annual changes in migration timing. A trend of earlier arrivals in the Perth Canyon by 1.4 days/year during the northward migration and possibly earlier departures from the Perth Canyon during the southward migration was observed. A distance-based linear model and a generalized linear model (GLM) both identified sea surface temperature (SST) as the most significant predictor for acoustic presence in the Perth Canyon. A 1 °C increase in SST corresponded to a decrease in humpback whale acoustic presence by 4.4 hours/day. Mean SST at the peak of the humpback whale season in the Perth Canyon was 19 °C. Exploratory analysis of the metocean environment of the Antarctic feeding grounds suggested that whales were leaving the Antarctic at the end of the austral summer, as sea ice concentration (SIC) increased and SST decreased. Further research should investigate whether changes in the metocean conditions on Australian breeding grounds correspond to changing departures from the Perth Canyon during the southward migration. If environmental conditions on breeding and feeding grounds change out-of-sync, migrating whales might be unable to arrive at either ground during optimal conditions. |
format |
Dataset |
author |
Corinna Gosby Christine Erbe Euan S. Harvey Marcela Montserrat Figueroa Landero Robert D. McCauley |
author_facet |
Corinna Gosby Christine Erbe Euan S. Harvey Marcela Montserrat Figueroa Landero Robert D. McCauley |
author_sort |
Corinna Gosby |
title |
DataSheet_1_Vocalizing humpback whales (Megaptera novaeangliae) migrating from Antarctic feeding grounds arrive earlier and earlier in the Perth Canyon, Western Australia.docx |
title_short |
DataSheet_1_Vocalizing humpback whales (Megaptera novaeangliae) migrating from Antarctic feeding grounds arrive earlier and earlier in the Perth Canyon, Western Australia.docx |
title_full |
DataSheet_1_Vocalizing humpback whales (Megaptera novaeangliae) migrating from Antarctic feeding grounds arrive earlier and earlier in the Perth Canyon, Western Australia.docx |
title_fullStr |
DataSheet_1_Vocalizing humpback whales (Megaptera novaeangliae) migrating from Antarctic feeding grounds arrive earlier and earlier in the Perth Canyon, Western Australia.docx |
title_full_unstemmed |
DataSheet_1_Vocalizing humpback whales (Megaptera novaeangliae) migrating from Antarctic feeding grounds arrive earlier and earlier in the Perth Canyon, Western Australia.docx |
title_sort |
datasheet_1_vocalizing humpback whales (megaptera novaeangliae) migrating from antarctic feeding grounds arrive earlier and earlier in the perth canyon, western australia.docx |
publishDate |
2022 |
url |
https://doi.org/10.3389/fmars.2022.1086763.s001 https://figshare.com/articles/dataset/DataSheet_1_Vocalizing_humpback_whales_Megaptera_novaeangliae_migrating_from_Antarctic_feeding_grounds_arrive_earlier_and_earlier_in_the_Perth_Canyon_Western_Australia_docx/21750899 |
geographic |
Antarctic Austral The Antarctic |
geographic_facet |
Antarctic Austral The Antarctic |
genre |
Antarc* Antarctic Antarctica Humpback Whale Megaptera novaeangliae Sea ice |
genre_facet |
Antarc* Antarctic Antarctica Humpback Whale Megaptera novaeangliae Sea ice |
op_relation |
doi:10.3389/fmars.2022.1086763.s001 https://figshare.com/articles/dataset/DataSheet_1_Vocalizing_humpback_whales_Megaptera_novaeangliae_migrating_from_Antarctic_feeding_grounds_arrive_earlier_and_earlier_in_the_Perth_Canyon_Western_Australia_docx/21750899 |
op_rights |
CC BY 4.0 |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.3389/fmars.2022.1086763.s001 |
_version_ |
1766253792998719488 |