Sympatric Breeding Auks Shift between Dietary and Spatial Resource Partitioning across the Annual Cycle
International audience When species competing for the same resources coexist, some segregation in the way they utilize those resources isexpected. However, little is known about how closely related sympatric breeding species segregate outside thebreeding season. We investigated the annual segregatio...
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Online Access: | https://hal.archives-ouvertes.fr/hal-01100403 https://hal.archives-ouvertes.fr/hal-01100403/document https://hal.archives-ouvertes.fr/hal-01100403/file/Linnebjerg%20et%20al%202013_PLoS%20ONE.pdf https://doi.org/10.1371/journal.pone.0072987 |
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ftccsdartic:oai:HAL:hal-01100403v1 2023-05-15T13:12:16+02:00 Sympatric Breeding Auks Shift between Dietary and Spatial Resource Partitioning across the Annual Cycle Linnebjerg, Jannie Fort, Jérôme Guilford, Tim Reuleaux, Anna Mosbech, Anders Frederiksen, Morten Department of Biological Sciences, Aarhus University Animal Behaviour Research Group University of Oxford Oxford Arctic Research Centre Aarhus University Aarhus 2013-08-30 https://hal.archives-ouvertes.fr/hal-01100403 https://hal.archives-ouvertes.fr/hal-01100403/document https://hal.archives-ouvertes.fr/hal-01100403/file/Linnebjerg%20et%20al%202013_PLoS%20ONE.pdf https://doi.org/10.1371/journal.pone.0072987 en eng HAL CCSD Public Library of Science info:eu-repo/semantics/altIdentifier/doi/10.1371/journal.pone.0072987 hal-01100403 https://hal.archives-ouvertes.fr/hal-01100403 https://hal.archives-ouvertes.fr/hal-01100403/document https://hal.archives-ouvertes.fr/hal-01100403/file/Linnebjerg%20et%20al%202013_PLoS%20ONE.pdf doi:10.1371/journal.pone.0072987 info:eu-repo/semantics/OpenAccess ISSN: 1932-6203 EISSN: 1932-6203 PLoS ONE https://hal.archives-ouvertes.fr/hal-01100403 PLoS ONE, Public Library of Science, 2013, 8, pp.e72987. ⟨10.1371/journal.pone.0072987⟩ [SDV.EE]Life Sciences [q-bio]/Ecology environment info:eu-repo/semantics/article Journal articles 2013 ftccsdartic https://doi.org/10.1371/journal.pone.0072987 2020-12-25T20:08:39Z International audience When species competing for the same resources coexist, some segregation in the way they utilize those resources isexpected. However, little is known about how closely related sympatric breeding species segregate outside thebreeding season. We investigated the annual segregation of three closely related seabirds (razorbill Alca torda,common guillemot Uria aalge and Brünnich’s guillemot U. lomvia) breeding at the same colony in SouthwestGreenland. By combining GPS and geolocation (GLS) tracking with dive depth and stable isotope analyses, wecompared spatial and dietary resource partitioning. During the breeding season, we found the three species tosegregate in diet and/or dive depth, but less in foraging area. During both the post-breeding and pre-breedingperiods, the three species had an increased overlap in diet, but were dispersed over a larger spatial scale. Divedepths were similar across the annual cycle, suggesting morphological adaptations fixed by evolution. Prey choice,on the other hand, seemed much more flexible and therefore more likely to be affected by the immediate presence ofpotential competitors. Article in Journal/Newspaper Alca torda common guillemot Razorbill Uria aalge uria Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe) PLoS ONE 8 8 e72987 |
institution |
Open Polar |
collection |
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe) |
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ftccsdartic |
language |
English |
topic |
[SDV.EE]Life Sciences [q-bio]/Ecology environment |
spellingShingle |
[SDV.EE]Life Sciences [q-bio]/Ecology environment Linnebjerg, Jannie Fort, Jérôme Guilford, Tim Reuleaux, Anna Mosbech, Anders Frederiksen, Morten Sympatric Breeding Auks Shift between Dietary and Spatial Resource Partitioning across the Annual Cycle |
topic_facet |
[SDV.EE]Life Sciences [q-bio]/Ecology environment |
description |
International audience When species competing for the same resources coexist, some segregation in the way they utilize those resources isexpected. However, little is known about how closely related sympatric breeding species segregate outside thebreeding season. We investigated the annual segregation of three closely related seabirds (razorbill Alca torda,common guillemot Uria aalge and Brünnich’s guillemot U. lomvia) breeding at the same colony in SouthwestGreenland. By combining GPS and geolocation (GLS) tracking with dive depth and stable isotope analyses, wecompared spatial and dietary resource partitioning. During the breeding season, we found the three species tosegregate in diet and/or dive depth, but less in foraging area. During both the post-breeding and pre-breedingperiods, the three species had an increased overlap in diet, but were dispersed over a larger spatial scale. Divedepths were similar across the annual cycle, suggesting morphological adaptations fixed by evolution. Prey choice,on the other hand, seemed much more flexible and therefore more likely to be affected by the immediate presence ofpotential competitors. |
author2 |
Department of Biological Sciences, Aarhus University Animal Behaviour Research Group University of Oxford Oxford Arctic Research Centre Aarhus University Aarhus |
format |
Article in Journal/Newspaper |
author |
Linnebjerg, Jannie Fort, Jérôme Guilford, Tim Reuleaux, Anna Mosbech, Anders Frederiksen, Morten |
author_facet |
Linnebjerg, Jannie Fort, Jérôme Guilford, Tim Reuleaux, Anna Mosbech, Anders Frederiksen, Morten |
author_sort |
Linnebjerg, Jannie |
title |
Sympatric Breeding Auks Shift between Dietary and Spatial Resource Partitioning across the Annual Cycle |
title_short |
Sympatric Breeding Auks Shift between Dietary and Spatial Resource Partitioning across the Annual Cycle |
title_full |
Sympatric Breeding Auks Shift between Dietary and Spatial Resource Partitioning across the Annual Cycle |
title_fullStr |
Sympatric Breeding Auks Shift between Dietary and Spatial Resource Partitioning across the Annual Cycle |
title_full_unstemmed |
Sympatric Breeding Auks Shift between Dietary and Spatial Resource Partitioning across the Annual Cycle |
title_sort |
sympatric breeding auks shift between dietary and spatial resource partitioning across the annual cycle |
publisher |
HAL CCSD |
publishDate |
2013 |
url |
https://hal.archives-ouvertes.fr/hal-01100403 https://hal.archives-ouvertes.fr/hal-01100403/document https://hal.archives-ouvertes.fr/hal-01100403/file/Linnebjerg%20et%20al%202013_PLoS%20ONE.pdf https://doi.org/10.1371/journal.pone.0072987 |
genre |
Alca torda common guillemot Razorbill Uria aalge uria |
genre_facet |
Alca torda common guillemot Razorbill Uria aalge uria |
op_source |
ISSN: 1932-6203 EISSN: 1932-6203 PLoS ONE https://hal.archives-ouvertes.fr/hal-01100403 PLoS ONE, Public Library of Science, 2013, 8, pp.e72987. ⟨10.1371/journal.pone.0072987⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1371/journal.pone.0072987 hal-01100403 https://hal.archives-ouvertes.fr/hal-01100403 https://hal.archives-ouvertes.fr/hal-01100403/document https://hal.archives-ouvertes.fr/hal-01100403/file/Linnebjerg%20et%20al%202013_PLoS%20ONE.pdf doi:10.1371/journal.pone.0072987 |
op_rights |
info:eu-repo/semantics/OpenAccess |
op_doi |
https://doi.org/10.1371/journal.pone.0072987 |
container_title |
PLoS ONE |
container_volume |
8 |
container_issue |
8 |
container_start_page |
e72987 |
_version_ |
1766251087477604352 |