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Title |
Similar at-sea behaviour but different habitat use between failed and successful breeding albatrosses |
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Journal |
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Year  |
2021 |
Publication |
Marine Ecology Progress Series |
Abbreviated Journal |
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Volume |
678 |
Issue |
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Pages |
183-196 |
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Keywords |
Behavioural state Breeding failure Foraging behaviour Habitat models Inter-individual variability Procellariiformes Thalassarche carteri |
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Abstract |
Breeding failure is expected to induce behavioural changes in central place foragers. Indeed, after a failed reproductive attempt, breeding individuals are relieved from having to return to their breeding site for reproductive duties and thus are less constrained than successful breeders in their movements during the remainder of the breeding season. Accordingly, they are expected to adjust their behaviour, travelling longer in distance and/or time to reach foraging grounds. They are also expected to use different foraging areas to decrease local intra-specific competition with successful breeders. We compared the at-sea behaviour and habitat use of successful and failed Indian yellow-nosed albatrosses nesting in Amsterdam Island, Southern Indian Ocean, during 2 chick-rearing seasons. Failed breeders exhibited the same at-sea foraging behaviour, travelling as far and as long as successful breeders. They also spent the same amount of time on their nest between at-sea trips. Nevertheless, habitat models revealed partial spatial segregation of failed breeders, which used specific foraging areas characterized by deeper and colder waters in addition to the areas they shared with successful breeders. Our study shows the importance of combining a range of analytical methods (spatial analysis, behavioural inferences with advanced movement models and habitat models) to infer the at-sea behaviour and habitat use of seabirds. It also stresses the importance of considering individual breeding status when aiming to understand the spatial distribution of individuals, especially when this information may have conservation implications. |
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109 |
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0171-8630, 1616-1599 |
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yes |
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8436 |
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Title |
Impact of extreme environmental conditions: Foraging behaviour and trophic ecology responses of a diving seabird, the common diving petrel |
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Journal |
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Year |
2021 |
Publication |
Progress in Oceanography |
Abbreviated Journal |
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Volume |
198 |
Issue |
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Pages |
102676 |
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Keywords |
GPS tracking Habitat modelling Inter-annual variation Marine heatwave Stable isotopes |
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Abstract |
The reproductive success of birds is strongly driven by environmental conditions at different time scales. Thus, during periods of low food availability, breeding success is constrained by the ability of adults to adapt their foraging effort and feeding behaviour to maintain regular incubation shifts and chick provisioning. However, while large seabirds can buffer disruptions in prey availability, the ecophysiological constraints of smaller species may limit their behavioural flexibility. By combining information on at-sea movements, foraging habitat, trophic niche, and breeding success, this study evaluated the effects of intense variability in oceanographic conditions on common diving petrels (Pelecanoides urinatrix) at the northern extent of their range in south-eastern Australia during four consecutive breeding seasons. Unusually low breeding success (6 and 0%) was observed during two years with intense heatwave events, which were associated with higher foraging effort (foraging trips twice longer) and a substantial shift in trophic niche (lower blood ?15N values). These findings suggest that common diving petrels in Bass Strait may have reached a critical threshold above which buffering the effects of environmental variability on their reproductive output is not possible. The clear cascading impacts that marine heatwaves have on zooplankton feeders illustrate the profound bottom-up effect induced by such extreme environmental variations, and suggest strong impact on higher-trophic levels. The wide, circumpolar breeding distribution of the common diving petrel, and its high sensitivity to variations in oceanographic conditions, suggest that this species may be a suitable model to study short-term and long-term behavioural responses to the effects of climate change throughout the Southern Ocean. |
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109 |
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0079-6611 |
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yes |
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8374 |
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Barbero A., Grilli R., Blouzon C., Ahmed S., Thomas J.L., Frey M., Huang Y., Caillon N., Savarino J. |
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Title |
Innovative approach for new estimation of NOx snow-source on the Antarctic Plateau |
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Communication |
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Year |
2021 |
Publication |
EGU General Assembly, 19-30 April 2021 |
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1177 |
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yes |
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7867 |
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Title |
Moss-inhabiting diatom communities from Ile Amsterdam (TAAF, southern Indian Ocean) |
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Journal |
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Year |
2021 |
Publication |
Plant Ecology and Evolution |
Abbreviated Journal |
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Volume |
154 |
Issue |
1 |
Pages |
63-79 |
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Keywords |
Bacillariophyta diatoms ecology Ile Amsterdam mosses southern Indian Ocean sub-Antarctic region |
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136 |
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2032-3921 |
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yes |
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7974 |
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Title |
Individual migration strategy fidelity but no habitat specialization in two congeneric seabirds |
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Year |
2021 |
Publication |
Journal of Biogeography |
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Volume |
48 |
Issue |
2 |
Pages |
263-275 |
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Keywords |
guillemots light-level geolocation murres Uria aalge Uria lomvia |
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388 |
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ISSN |
1365-2699 |
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1365-2699 |
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yes |
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Serial |
8025 |
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Title |
Strong migratory connectivity across meta-populations of sympatric North Atlantic seabirds |
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Journal |
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Year |
2021 |
Publication |
Marine Ecology Progress Series |
Abbreviated Journal |
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Volume |
SEA |
Issue |
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Pages |
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Keywords |
Environmental niche Inter-population mixing Large-scale spatiotemporal dynamics Light-level geolocation Murres Population spread Seasonality |
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388 |
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0171-8630, 1616-1599 |
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yes |
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8027 |
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Title |
Recent Climate Variability around the Kerguelen Islands (Southern Ocean) Seen through Weather Regimes |
Type |
Journal |
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Year |
2021 |
Publication |
Journal of Applied Meteorology and Climatology |
Abbreviated Journal |
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Volume |
60 |
Issue |
5 |
Pages |
711-731 |
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688,1044,1048 |
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Bachelor's thesis |
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1558-8424 |
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yes |
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Serial |
8003 |
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Benjamin Pohl, Vincent Favier, Jonathan Wille, Danielle G Udy, Tessa R Vance, Julien Pergaud, Niels Dutrievoz, Juliette Blanchet, Christoph Kittel, Charles Amory, Gerhard Krinner, Francis Codron |
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Title |
Relationship Between Weather Regimes and Atmospheric Rivers in East Antarctica |
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Year |
2021 |
Publication |
Journal of Geophysical Research: Atmospheres |
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Volume |
126 |
Issue |
24 |
Pages |
e2021JD035294 |
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Keywords |
atmospheric rivers East Antarctica snowfall amounts temperature anomalies weather regimes |
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411 |
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2169-8996 |
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yes |
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8430 |
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Author |
Buscetti, M. |
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Title |
Influence of geomagnetic storms on seismometers |
Type |
Master 2 |
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Year |
2021 |
Publication |
Eost, Strasbourg |
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139 |
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yes |
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8099 |
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Title |
Inter-annual variation in winter distribution affects individual seabird contamination with mercury |
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Journal |
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Year |
2021 |
Publication |
Marine Ecology Progress Series |
Abbreviated Journal |
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Volume |
676 |
Issue |
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Pages |
243-254 |
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Keywords |
Biologging Feathers Migration North Atlantic-Arctic Pollutant |
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388 |
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0171-8630, 1616-1599 |
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yes |
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Call Number |
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Serial |
7978 |
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