SI Appendix 2. Supplementary material (Figures and Tables) for Arce et al doi:10.1098/rspb.2021.2452 from Elephant seal foraging success is enhanced in Antarctic coastal polynyas
Antarctic polynyas are persistent open water areas which enable early and large seasonal phytoplankton blooms. This high primary productivity, boosted by iron supply from coastal glaciers, attracts organisms from all trophic levels to form a rich and diverse community. How the ecological benefit of...
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ftsmithonian:oai:figshare.com:article/17294789 2023-05-15T13:42:39+02:00 SI Appendix 2. Supplementary material (Figures and Tables) for Arce et al doi:10.1098/rspb.2021.2452 from Elephant seal foraging success is enhanced in Antarctic coastal polynyas Fernando Arce (11857133) Mark A. Hindell (7617005) Clive R. McMahon (9138394) Simon Wotherspoon (279791) Christophe Guinet (172101) Rob Harcourt (7616999) Sophie Bestley (11857136) 2021-12-20T11:44:38Z https://doi.org/10.6084/m9.figshare.17294789.v1 unknown https://figshare.com/articles/journal_contribution/SI_Appendix_2_Supplementary_material_Figures_and_Tables_for_Arce_et_al_doi_10_1098_rspb_2021_2452_from_Elephant_seal_foraging_success_is_enhanced_in_Antarctic_coastal_polynyas/17294789 doi:10.6084/m9.figshare.17294789.v1 CC BY 4.0 CC-BY Ecology Animal Behaviour Mirounga leonina body condition drift rates Southern Ocean post-polynyas foraging behaviour Text Journal contribution 2021 ftsmithonian https://doi.org/10.6084/m9.figshare.17294789.v1 2022-01-06T11:57:46Z Antarctic polynyas are persistent open water areas which enable early and large seasonal phytoplankton blooms. This high primary productivity, boosted by iron supply from coastal glaciers, attracts organisms from all trophic levels to form a rich and diverse community. How the ecological benefit of polynya productivity is translated to the highest trophic levels remains poorly resolved. We studied 119 southern elephant seals feeding over the Antarctic shelf and demonstrated that (i) 96% of seals foraging here used polynyas, with individuals spending on average 62% of their time there, (ii) the seals exhibited more area-restricted search behaviour when in polynyas and (iii) these seals gained more energy (indicated by increased buoyancy from greater fat stores) when inside polynyas. This higher quality foraging existed even when ice was not present in the study area, indicating that these are important and predictable foraging grounds year-round. Despite these energetic advantages from using polynyas, not all the seals used them extensively. Factors other than food supply may influence an individual's choice in their use of feeding grounds, such as exposure to predation or the probability of being able to return to distant sub-Antarctic breeding sites. Other Non-Article Part of Journal/Newspaper Antarc* Antarctic Elephant Seal Elephant Seals Mirounga leonina Southern Elephant Seals Southern Ocean Unknown Antarctic Southern Ocean The Antarctic Arce ENVELOPE(-61.167,-61.167,-66.117,-66.117) |
institution |
Open Polar |
collection |
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op_collection_id |
ftsmithonian |
language |
unknown |
topic |
Ecology Animal Behaviour Mirounga leonina body condition drift rates Southern Ocean post-polynyas foraging behaviour |
spellingShingle |
Ecology Animal Behaviour Mirounga leonina body condition drift rates Southern Ocean post-polynyas foraging behaviour Fernando Arce (11857133) Mark A. Hindell (7617005) Clive R. McMahon (9138394) Simon Wotherspoon (279791) Christophe Guinet (172101) Rob Harcourt (7616999) Sophie Bestley (11857136) SI Appendix 2. Supplementary material (Figures and Tables) for Arce et al doi:10.1098/rspb.2021.2452 from Elephant seal foraging success is enhanced in Antarctic coastal polynyas |
topic_facet |
Ecology Animal Behaviour Mirounga leonina body condition drift rates Southern Ocean post-polynyas foraging behaviour |
description |
Antarctic polynyas are persistent open water areas which enable early and large seasonal phytoplankton blooms. This high primary productivity, boosted by iron supply from coastal glaciers, attracts organisms from all trophic levels to form a rich and diverse community. How the ecological benefit of polynya productivity is translated to the highest trophic levels remains poorly resolved. We studied 119 southern elephant seals feeding over the Antarctic shelf and demonstrated that (i) 96% of seals foraging here used polynyas, with individuals spending on average 62% of their time there, (ii) the seals exhibited more area-restricted search behaviour when in polynyas and (iii) these seals gained more energy (indicated by increased buoyancy from greater fat stores) when inside polynyas. This higher quality foraging existed even when ice was not present in the study area, indicating that these are important and predictable foraging grounds year-round. Despite these energetic advantages from using polynyas, not all the seals used them extensively. Factors other than food supply may influence an individual's choice in their use of feeding grounds, such as exposure to predation or the probability of being able to return to distant sub-Antarctic breeding sites. |
format |
Other Non-Article Part of Journal/Newspaper |
author |
Fernando Arce (11857133) Mark A. Hindell (7617005) Clive R. McMahon (9138394) Simon Wotherspoon (279791) Christophe Guinet (172101) Rob Harcourt (7616999) Sophie Bestley (11857136) |
author_facet |
Fernando Arce (11857133) Mark A. Hindell (7617005) Clive R. McMahon (9138394) Simon Wotherspoon (279791) Christophe Guinet (172101) Rob Harcourt (7616999) Sophie Bestley (11857136) |
author_sort |
Fernando Arce (11857133) |
title |
SI Appendix 2. Supplementary material (Figures and Tables) for Arce et al doi:10.1098/rspb.2021.2452 from Elephant seal foraging success is enhanced in Antarctic coastal polynyas |
title_short |
SI Appendix 2. Supplementary material (Figures and Tables) for Arce et al doi:10.1098/rspb.2021.2452 from Elephant seal foraging success is enhanced in Antarctic coastal polynyas |
title_full |
SI Appendix 2. Supplementary material (Figures and Tables) for Arce et al doi:10.1098/rspb.2021.2452 from Elephant seal foraging success is enhanced in Antarctic coastal polynyas |
title_fullStr |
SI Appendix 2. Supplementary material (Figures and Tables) for Arce et al doi:10.1098/rspb.2021.2452 from Elephant seal foraging success is enhanced in Antarctic coastal polynyas |
title_full_unstemmed |
SI Appendix 2. Supplementary material (Figures and Tables) for Arce et al doi:10.1098/rspb.2021.2452 from Elephant seal foraging success is enhanced in Antarctic coastal polynyas |
title_sort |
si appendix 2. supplementary material (figures and tables) for arce et al doi:10.1098/rspb.2021.2452 from elephant seal foraging success is enhanced in antarctic coastal polynyas |
publishDate |
2021 |
url |
https://doi.org/10.6084/m9.figshare.17294789.v1 |
long_lat |
ENVELOPE(-61.167,-61.167,-66.117,-66.117) |
geographic |
Antarctic Southern Ocean The Antarctic Arce |
geographic_facet |
Antarctic Southern Ocean The Antarctic Arce |
genre |
Antarc* Antarctic Elephant Seal Elephant Seals Mirounga leonina Southern Elephant Seals Southern Ocean |
genre_facet |
Antarc* Antarctic Elephant Seal Elephant Seals Mirounga leonina Southern Elephant Seals Southern Ocean |
op_relation |
https://figshare.com/articles/journal_contribution/SI_Appendix_2_Supplementary_material_Figures_and_Tables_for_Arce_et_al_doi_10_1098_rspb_2021_2452_from_Elephant_seal_foraging_success_is_enhanced_in_Antarctic_coastal_polynyas/17294789 doi:10.6084/m9.figshare.17294789.v1 |
op_rights |
CC BY 4.0 |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.6084/m9.figshare.17294789.v1 |
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1766170409507487744 |