Activity-specific metabolic rates for diving, transiting, and resting at sea can be estimated from time-activity budgets in free-ranging marine mammals
International audience Time and energy are the two most important currencies in animal bioenergetics. Howmuch time animals spend engaged in different activities with specific energetic costsultimately defines their likelihood of surviving and successfully reproducing. However,it is extremely difficu...
Published in: | Ecology and Evolution |
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Online Access: | https://hal.archives-ouvertes.fr/hal-01502209 https://doi.org/10.1002/ece3.2546 |
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ftccsdartic:oai:HAL:hal-01502209v1 2023-05-15T13:51:41+02:00 Activity-specific metabolic rates for diving, transiting, and resting at sea can be estimated from time-activity budgets in free-ranging marine mammals Jeanniard-du-Dot, Tiphaine Trites, Andrew W. Arnould, John P. Y. Speakman, John R Guinet, Christophe Fisheries Centre (Marine Mammal Research Unit) University of British Columbia (UBC) Centre d'Études Biologiques de Chizé - UMR 7372 (CEBC) Université de La Rochelle (ULR)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE) Marine Mammal Research Unit (University of British Columbia) School of Life and Environmental Sciences Deakin University Burwood Institute of Biological and Environmental Sciences University of Aberdeen 2017 https://hal.archives-ouvertes.fr/hal-01502209 https://doi.org/10.1002/ece3.2546 en eng HAL CCSD Wiley Open Access info:eu-repo/semantics/altIdentifier/doi/10.1002/ece3.2546 hal-01502209 https://hal.archives-ouvertes.fr/hal-01502209 doi:10.1002/ece3.2546 ISSN: 2045-7758 Ecology and Evolution https://hal.archives-ouvertes.fr/hal-01502209 Ecology and Evolution, Wiley Open Access, 2017, pp.1-8. ⟨10.1002/ece3.2546⟩ metabolic rate diving energy expenditure foraging Antarctic fur seal Arctocephalus gazella Callorhinus ursinus northern fur seal time–activity budget [SDE]Environmental Sciences info:eu-repo/semantics/article Journal articles 2017 ftccsdartic https://doi.org/10.1002/ece3.2546 2021-11-07T03:56:04Z International audience Time and energy are the two most important currencies in animal bioenergetics. Howmuch time animals spend engaged in different activities with specific energetic costsultimately defines their likelihood of surviving and successfully reproducing. However,it is extremely difficult to determine the energetic costs of independent activities forfree-ranginganimals. In this study, we developed a new method to calculate activity-specificmetabolic rates, and applied it to female fur seals. We attached biologgers(that recorded GPS locations, depth profiles, and triaxial acceleration) to 12 northern(Callorhinus ursinus) and 13 Antarctic fur seals (Arctocephalus gazella), and used a hierarchicaldecision tree algorithm to determine time allocation between diving, transiting,resting, and performing slow movements at the surface (grooming, etc.). Weconcomitantly measured the total energy expenditure using the doubly-labelled watermethod. We used a general least-square model to establish the relationship betweentime–activity budgets and the total energy spent by each individual during their foragingtrip to predict activity-specificmetabolic rates. Results show that both species allocatedsimilar time to diving (~29%), transiting to and from their foraging grounds(~26–30%), and resting (~8–11%). However, Antarctic fur seals spent significantlymore time grooming and moving slowly at the surface than northern fur seals (36% vs.29%). Diving was the most expensive activity (~30 MJ/day if done non-stop for 24 hr),followed by transiting at the surface (~21 MJ/day). Interestingly, metabolic rates weresimilar between species while on land or while slowly moving at the surface (~13 MJ/day). Overall, the average field metabolic rate was ~20 MJ/day (for all activities combined).The method we developed to calculate activity-specificmetabolic rates can beapplied to terrestrial and marine species to determine the energetic costs of daily activities,as well as to predict the energetic consequences for animals forced to ... Article in Journal/Newspaper Antarc* Antarctic Antarctic Fur Seal Antarctic Fur Seals Arctocephalus gazella Callorhinus ursinus Northern fur seal Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe) Antarctic Ecology and Evolution 7 9 2969 2976 |
institution |
Open Polar |
collection |
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe) |
op_collection_id |
ftccsdartic |
language |
English |
topic |
metabolic rate diving energy expenditure foraging Antarctic fur seal Arctocephalus gazella Callorhinus ursinus northern fur seal time–activity budget [SDE]Environmental Sciences |
spellingShingle |
metabolic rate diving energy expenditure foraging Antarctic fur seal Arctocephalus gazella Callorhinus ursinus northern fur seal time–activity budget [SDE]Environmental Sciences Jeanniard-du-Dot, Tiphaine Trites, Andrew W. Arnould, John P. Y. Speakman, John R Guinet, Christophe Activity-specific metabolic rates for diving, transiting, and resting at sea can be estimated from time-activity budgets in free-ranging marine mammals |
topic_facet |
metabolic rate diving energy expenditure foraging Antarctic fur seal Arctocephalus gazella Callorhinus ursinus northern fur seal time–activity budget [SDE]Environmental Sciences |
description |
International audience Time and energy are the two most important currencies in animal bioenergetics. Howmuch time animals spend engaged in different activities with specific energetic costsultimately defines their likelihood of surviving and successfully reproducing. However,it is extremely difficult to determine the energetic costs of independent activities forfree-ranginganimals. In this study, we developed a new method to calculate activity-specificmetabolic rates, and applied it to female fur seals. We attached biologgers(that recorded GPS locations, depth profiles, and triaxial acceleration) to 12 northern(Callorhinus ursinus) and 13 Antarctic fur seals (Arctocephalus gazella), and used a hierarchicaldecision tree algorithm to determine time allocation between diving, transiting,resting, and performing slow movements at the surface (grooming, etc.). Weconcomitantly measured the total energy expenditure using the doubly-labelled watermethod. We used a general least-square model to establish the relationship betweentime–activity budgets and the total energy spent by each individual during their foragingtrip to predict activity-specificmetabolic rates. Results show that both species allocatedsimilar time to diving (~29%), transiting to and from their foraging grounds(~26–30%), and resting (~8–11%). However, Antarctic fur seals spent significantlymore time grooming and moving slowly at the surface than northern fur seals (36% vs.29%). Diving was the most expensive activity (~30 MJ/day if done non-stop for 24 hr),followed by transiting at the surface (~21 MJ/day). Interestingly, metabolic rates weresimilar between species while on land or while slowly moving at the surface (~13 MJ/day). Overall, the average field metabolic rate was ~20 MJ/day (for all activities combined).The method we developed to calculate activity-specificmetabolic rates can beapplied to terrestrial and marine species to determine the energetic costs of daily activities,as well as to predict the energetic consequences for animals forced to ... |
author2 |
Fisheries Centre (Marine Mammal Research Unit) University of British Columbia (UBC) Centre d'Études Biologiques de Chizé - UMR 7372 (CEBC) Université de La Rochelle (ULR)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE) Marine Mammal Research Unit (University of British Columbia) School of Life and Environmental Sciences Deakin University Burwood Institute of Biological and Environmental Sciences University of Aberdeen |
format |
Article in Journal/Newspaper |
author |
Jeanniard-du-Dot, Tiphaine Trites, Andrew W. Arnould, John P. Y. Speakman, John R Guinet, Christophe |
author_facet |
Jeanniard-du-Dot, Tiphaine Trites, Andrew W. Arnould, John P. Y. Speakman, John R Guinet, Christophe |
author_sort |
Jeanniard-du-Dot, Tiphaine |
title |
Activity-specific metabolic rates for diving, transiting, and resting at sea can be estimated from time-activity budgets in free-ranging marine mammals |
title_short |
Activity-specific metabolic rates for diving, transiting, and resting at sea can be estimated from time-activity budgets in free-ranging marine mammals |
title_full |
Activity-specific metabolic rates for diving, transiting, and resting at sea can be estimated from time-activity budgets in free-ranging marine mammals |
title_fullStr |
Activity-specific metabolic rates for diving, transiting, and resting at sea can be estimated from time-activity budgets in free-ranging marine mammals |
title_full_unstemmed |
Activity-specific metabolic rates for diving, transiting, and resting at sea can be estimated from time-activity budgets in free-ranging marine mammals |
title_sort |
activity-specific metabolic rates for diving, transiting, and resting at sea can be estimated from time-activity budgets in free-ranging marine mammals |
publisher |
HAL CCSD |
publishDate |
2017 |
url |
https://hal.archives-ouvertes.fr/hal-01502209 https://doi.org/10.1002/ece3.2546 |
geographic |
Antarctic |
geographic_facet |
Antarctic |
genre |
Antarc* Antarctic Antarctic Fur Seal Antarctic Fur Seals Arctocephalus gazella Callorhinus ursinus Northern fur seal |
genre_facet |
Antarc* Antarctic Antarctic Fur Seal Antarctic Fur Seals Arctocephalus gazella Callorhinus ursinus Northern fur seal |
op_source |
ISSN: 2045-7758 Ecology and Evolution https://hal.archives-ouvertes.fr/hal-01502209 Ecology and Evolution, Wiley Open Access, 2017, pp.1-8. ⟨10.1002/ece3.2546⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1002/ece3.2546 hal-01502209 https://hal.archives-ouvertes.fr/hal-01502209 doi:10.1002/ece3.2546 |
op_doi |
https://doi.org/10.1002/ece3.2546 |
container_title |
Ecology and Evolution |
container_volume |
7 |
container_issue |
9 |
container_start_page |
2969 |
op_container_end_page |
2976 |
_version_ |
1766255702446178304 |