Seasonal variation in oceanographic habitat and behaviour of white-chinned petrels Procellaria aequinoctialis from Kerguelen Island
International audience Marine environments experience seasonal variation in physical and biological parameters, with consequent changes in predator distributions. During the breeding period, proximity to suitable feeding sites is essential for central place foragers, whereas during the non-breeding...
Published in: | Marine Ecology Progress Series |
---|---|
Main Authors: | , , , , , , |
Other Authors: | , , , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
HAL CCSD
2010
|
Subjects: | |
Online Access: | https://hal.science/hal-00546907 https://doi.org/10.3354/meps08785 |
id |
ftunivnantes:oai:HAL:hal-00546907v1 |
---|---|
record_format |
openpolar |
spelling |
ftunivnantes:oai:HAL:hal-00546907v1 2023-05-15T14:04:46+02:00 Seasonal variation in oceanographic habitat and behaviour of white-chinned petrels Procellaria aequinoctialis from Kerguelen Island Péron, Clara Delord, Karine Phillips, Richard A. Charbonnier, Yohan Marteau, Cédric Louzao, Maite Weimerskirch, Henri Centre d'Études Biologiques de Chizé (CEBC) Centre National de la Recherche Scientifique (CNRS) British Antarctic Survey (BAS) Natural Environment Research Council (NERC) Terres Australes et Antarctiques Françaises (T.A.A.F.) Terres Australes et Antarctiques Françaises 2010 https://hal.science/hal-00546907 https://doi.org/10.3354/meps08785 en eng HAL CCSD Inter Research info:eu-repo/semantics/altIdentifier/doi/10.3354/meps08785 hal-00546907 https://hal.science/hal-00546907 doi:10.3354/meps08785 ISSN: 0171-8630 EISSN: 1616-1599 Marine Ecology Progress Series https://hal.science/hal-00546907 Marine Ecology Progress Series, 2010, 416, pp.267-284. ⟨10.3354/meps08785⟩ Foraging behaviour · Activity · Breeding · Non-breeding ground · Upwelling · Sea ice · Bycatch · Geolocation · Satellite tracking [SDE]Environmental Sciences info:eu-repo/semantics/article Journal articles 2010 ftunivnantes https://doi.org/10.3354/meps08785 2023-02-08T00:51:00Z International audience Marine environments experience seasonal variation in physical and biological parameters, with consequent changes in predator distributions. During the breeding period, proximity to suitable feeding sites is essential for central place foragers, whereas during the non-breeding period their distribution is relatively unconstrained. We combined light-based geolocation and satellite tracking to investigate seasonal variation in foraging grounds and behaviour of white-chinned petrels from Kerguelen Island. Birds were associated with highly productive areas throughout the year. During breeding (summer), they performed long commuting trips from the colony to distant, productive Antarctic waters. Thereafter, birds migrated 5200 km westwards to the Benguela upwelling system off Namibia and South Africa to spend the winter. This seasonal shift of foraging grounds coincides with a change in activity patterns; much less time was spent in flight in winter than in summer. Individual variability in the locations of foraging zones and seasonal/daily activity patterns was low. Trip durations were shorter during chick-rearing than incubation, although birds often travelled as far or farther, tracking the gradual break up of pack ice. Habitat use models revealed an association with distance to sea-ice edge and chlorophyll a gradient during incubation, whereas sea surface temperature and chlorophyll a gradient best explained habitat use during chick rearing. White-chinned petrels are likely to overlap with other marine predators and fisheries throughout the year. Fishery bycatch constitutes the most significant direct threat to petrels at sea. Moreover, future climate-induced reductions in productivity could affect birds year-round. Article in Journal/Newspaper Antarc* Antarctic Sea ice Université de Nantes: HAL-UNIV-NANTES Antarctic Kerguelen Kerguelen Island ENVELOPE(69.500,69.500,-49.250,-49.250) Marine Ecology Progress Series 416 267 284 |
institution |
Open Polar |
collection |
Université de Nantes: HAL-UNIV-NANTES |
op_collection_id |
ftunivnantes |
language |
English |
topic |
Foraging behaviour · Activity · Breeding · Non-breeding ground · Upwelling · Sea ice · Bycatch · Geolocation · Satellite tracking [SDE]Environmental Sciences |
spellingShingle |
Foraging behaviour · Activity · Breeding · Non-breeding ground · Upwelling · Sea ice · Bycatch · Geolocation · Satellite tracking [SDE]Environmental Sciences Péron, Clara Delord, Karine Phillips, Richard A. Charbonnier, Yohan Marteau, Cédric Louzao, Maite Weimerskirch, Henri Seasonal variation in oceanographic habitat and behaviour of white-chinned petrels Procellaria aequinoctialis from Kerguelen Island |
topic_facet |
Foraging behaviour · Activity · Breeding · Non-breeding ground · Upwelling · Sea ice · Bycatch · Geolocation · Satellite tracking [SDE]Environmental Sciences |
description |
International audience Marine environments experience seasonal variation in physical and biological parameters, with consequent changes in predator distributions. During the breeding period, proximity to suitable feeding sites is essential for central place foragers, whereas during the non-breeding period their distribution is relatively unconstrained. We combined light-based geolocation and satellite tracking to investigate seasonal variation in foraging grounds and behaviour of white-chinned petrels from Kerguelen Island. Birds were associated with highly productive areas throughout the year. During breeding (summer), they performed long commuting trips from the colony to distant, productive Antarctic waters. Thereafter, birds migrated 5200 km westwards to the Benguela upwelling system off Namibia and South Africa to spend the winter. This seasonal shift of foraging grounds coincides with a change in activity patterns; much less time was spent in flight in winter than in summer. Individual variability in the locations of foraging zones and seasonal/daily activity patterns was low. Trip durations were shorter during chick-rearing than incubation, although birds often travelled as far or farther, tracking the gradual break up of pack ice. Habitat use models revealed an association with distance to sea-ice edge and chlorophyll a gradient during incubation, whereas sea surface temperature and chlorophyll a gradient best explained habitat use during chick rearing. White-chinned petrels are likely to overlap with other marine predators and fisheries throughout the year. Fishery bycatch constitutes the most significant direct threat to petrels at sea. Moreover, future climate-induced reductions in productivity could affect birds year-round. |
author2 |
Centre d'Études Biologiques de Chizé (CEBC) Centre National de la Recherche Scientifique (CNRS) British Antarctic Survey (BAS) Natural Environment Research Council (NERC) Terres Australes et Antarctiques Françaises (T.A.A.F.) Terres Australes et Antarctiques Françaises |
format |
Article in Journal/Newspaper |
author |
Péron, Clara Delord, Karine Phillips, Richard A. Charbonnier, Yohan Marteau, Cédric Louzao, Maite Weimerskirch, Henri |
author_facet |
Péron, Clara Delord, Karine Phillips, Richard A. Charbonnier, Yohan Marteau, Cédric Louzao, Maite Weimerskirch, Henri |
author_sort |
Péron, Clara |
title |
Seasonal variation in oceanographic habitat and behaviour of white-chinned petrels Procellaria aequinoctialis from Kerguelen Island |
title_short |
Seasonal variation in oceanographic habitat and behaviour of white-chinned petrels Procellaria aequinoctialis from Kerguelen Island |
title_full |
Seasonal variation in oceanographic habitat and behaviour of white-chinned petrels Procellaria aequinoctialis from Kerguelen Island |
title_fullStr |
Seasonal variation in oceanographic habitat and behaviour of white-chinned petrels Procellaria aequinoctialis from Kerguelen Island |
title_full_unstemmed |
Seasonal variation in oceanographic habitat and behaviour of white-chinned petrels Procellaria aequinoctialis from Kerguelen Island |
title_sort |
seasonal variation in oceanographic habitat and behaviour of white-chinned petrels procellaria aequinoctialis from kerguelen island |
publisher |
HAL CCSD |
publishDate |
2010 |
url |
https://hal.science/hal-00546907 https://doi.org/10.3354/meps08785 |
long_lat |
ENVELOPE(69.500,69.500,-49.250,-49.250) |
geographic |
Antarctic Kerguelen Kerguelen Island |
geographic_facet |
Antarctic Kerguelen Kerguelen Island |
genre |
Antarc* Antarctic Sea ice |
genre_facet |
Antarc* Antarctic Sea ice |
op_source |
ISSN: 0171-8630 EISSN: 1616-1599 Marine Ecology Progress Series https://hal.science/hal-00546907 Marine Ecology Progress Series, 2010, 416, pp.267-284. ⟨10.3354/meps08785⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.3354/meps08785 hal-00546907 https://hal.science/hal-00546907 doi:10.3354/meps08785 |
op_doi |
https://doi.org/10.3354/meps08785 |
container_title |
Marine Ecology Progress Series |
container_volume |
416 |
container_start_page |
267 |
op_container_end_page |
284 |
_version_ |
1766276061206675456 |