Food talk: 40-Hz fin whale calls are associated with prey biomass ...
Animals use varied acoustic signals that play critical roles in their lives. Understanding the function of these signals may inform about key life-history processes relevant for conservation. In the case of fin whales (Balaenoptera physalus), that produce different call types associated with differe...
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Online Access: | https://dx.doi.org/10.5061/dryad.00000003s https://datadryad.org/stash/dataset/doi:10.5061/dryad.00000003s |
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ftdatacite:10.5061/dryad.00000003s 2024-02-04T09:59:06+01:00 Food talk: 40-Hz fin whale calls are associated with prey biomass ... Romagosa, Miriam Pérez-Jorge, Sergi Cascão, Irma Mouriño, Helena Lehodey, Patrick Pereira, Andreia Marques, Tiago A. Matias, Luís Silva, Mónica A. 2021 https://dx.doi.org/10.5061/dryad.00000003s https://datadryad.org/stash/dataset/doi:10.5061/dryad.00000003s en eng Dryad https://dx.doi.org/10.5281/zenodo.4775839 Creative Commons Zero v1.0 Universal https://creativecommons.org/publicdomain/zero/1.0/legalcode cc0-1.0 Dataset dataset 2021 ftdatacite https://doi.org/10.5061/dryad.00000003s10.5281/zenodo.4775839 2024-01-05T00:42:33Z Animals use varied acoustic signals that play critical roles in their lives. Understanding the function of these signals may inform about key life-history processes relevant for conservation. In the case of fin whales (Balaenoptera physalus), that produce different call types associated with different behaviours, several hypotheses have emerged regarding call function, but the topic still remains in its infancy. Here, we investigate the potential function of two fin whale vocalizations, the song-forming 20-Hz call and the 40-Hz call, by examining their production in relation to season, year and prey biomass. Our results showed that the production of 20-Hz calls was strongly influenced by season, with a clear peak during the breeding months, and secondarily by year, likely due to changes in whale abundance. These results support the reproductive function of the 20-Hz song used as an acoustic display. Conversely, season and year had no effect on variation in 40-Hz calling rates, but prey biomass did. This is ... : Acoustic dataset were collected by using bottom fixed autonomous recordings, specifically Ecological Acoustic Recorders. Recordings were then processed automatically for the detection of the 20-Hz call or manually for the 40-Hz call. A call rate index was calculated per week (number of calls / time of recording) and then compared to weekly simulated zooplankton biomass. ... Dataset Balaenoptera physalus Fin whale DataCite Metadata Store (German National Library of Science and Technology) |
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Open Polar |
collection |
DataCite Metadata Store (German National Library of Science and Technology) |
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ftdatacite |
language |
English |
description |
Animals use varied acoustic signals that play critical roles in their lives. Understanding the function of these signals may inform about key life-history processes relevant for conservation. In the case of fin whales (Balaenoptera physalus), that produce different call types associated with different behaviours, several hypotheses have emerged regarding call function, but the topic still remains in its infancy. Here, we investigate the potential function of two fin whale vocalizations, the song-forming 20-Hz call and the 40-Hz call, by examining their production in relation to season, year and prey biomass. Our results showed that the production of 20-Hz calls was strongly influenced by season, with a clear peak during the breeding months, and secondarily by year, likely due to changes in whale abundance. These results support the reproductive function of the 20-Hz song used as an acoustic display. Conversely, season and year had no effect on variation in 40-Hz calling rates, but prey biomass did. This is ... : Acoustic dataset were collected by using bottom fixed autonomous recordings, specifically Ecological Acoustic Recorders. Recordings were then processed automatically for the detection of the 20-Hz call or manually for the 40-Hz call. A call rate index was calculated per week (number of calls / time of recording) and then compared to weekly simulated zooplankton biomass. ... |
format |
Dataset |
author |
Romagosa, Miriam Pérez-Jorge, Sergi Cascão, Irma Mouriño, Helena Lehodey, Patrick Pereira, Andreia Marques, Tiago A. Matias, Luís Silva, Mónica A. |
spellingShingle |
Romagosa, Miriam Pérez-Jorge, Sergi Cascão, Irma Mouriño, Helena Lehodey, Patrick Pereira, Andreia Marques, Tiago A. Matias, Luís Silva, Mónica A. Food talk: 40-Hz fin whale calls are associated with prey biomass ... |
author_facet |
Romagosa, Miriam Pérez-Jorge, Sergi Cascão, Irma Mouriño, Helena Lehodey, Patrick Pereira, Andreia Marques, Tiago A. Matias, Luís Silva, Mónica A. |
author_sort |
Romagosa, Miriam |
title |
Food talk: 40-Hz fin whale calls are associated with prey biomass ... |
title_short |
Food talk: 40-Hz fin whale calls are associated with prey biomass ... |
title_full |
Food talk: 40-Hz fin whale calls are associated with prey biomass ... |
title_fullStr |
Food talk: 40-Hz fin whale calls are associated with prey biomass ... |
title_full_unstemmed |
Food talk: 40-Hz fin whale calls are associated with prey biomass ... |
title_sort |
food talk: 40-hz fin whale calls are associated with prey biomass ... |
publisher |
Dryad |
publishDate |
2021 |
url |
https://dx.doi.org/10.5061/dryad.00000003s https://datadryad.org/stash/dataset/doi:10.5061/dryad.00000003s |
genre |
Balaenoptera physalus Fin whale |
genre_facet |
Balaenoptera physalus Fin whale |
op_relation |
https://dx.doi.org/10.5281/zenodo.4775839 |
op_rights |
Creative Commons Zero v1.0 Universal https://creativecommons.org/publicdomain/zero/1.0/legalcode cc0-1.0 |
op_doi |
https://doi.org/10.5061/dryad.00000003s10.5281/zenodo.4775839 |
_version_ |
1789963757720436736 |