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dc.contributor.authorBarbraud, Christophe  Concept link
dc.contributor.authorRolland, Virginie  Concept link
dc.contributor.authorJenouvrier, Stephanie  Concept link
dc.contributor.authorNevoux, Marie  Concept link
dc.contributor.authorDelord, Karine  Concept link
dc.contributor.authorWeimerskirch, Henri  Concept link
dc.date.accessioned2012-06-26T17:22:37Z
dc.date.available2012-06-26T17:22:37Z
dc.date.issued2012-05-21
dc.identifier.citationMarine Ecology Progreee Series 454 (2012): 285-307en_US
dc.identifier.urihttps://hdl.handle.net/1912/5240
dc.descriptionAuthor Posting. © Inter-Research, 2012. This article is posted here by permission of Inter-Research for personal use, not for redistribution. The definitive version was published in Marine Ecology Progreee Series 454 (2012): 285-307, doi:10.3354/meps09616.en_US
dc.description.abstractOver the last century, major climate changes and intense human exploitation of natural living resources have occurred in the Southern Ocean, potentially affecting its ecosystems up to top marine predators. Fisheries may also directly affect seabirds through bycatch and additional food resources provided by discards. The past 20 yr of research has seen an increasing number of studies investigating the effects of climate change and fisheries activities on Southern Ocean seabirds. Here, we review these studies in order to identify patterns in changes in distribution, phenology, demography and population dynamics in response to changes in climate and fisheries bycatch. Shifts in distribution and breeding phenology were documented in parallel to increases in sea-surface temperatures and changes in sea-ice cover. Above all warm sea-surface temperatures negatively affected demographic parameters, although exceptions were found. Relationships suggest non-linear effects of sea-ice cover on demographic parameters and population dynamics, with optimum sea-ice cover conditions appearing to be the rule. Fishing efforts were mainly negatively related to survival rates, and only for a few species positively related to breeding success. A handful of studies found that chronic mortality of immature birds due to fisheries negatively affected populations. Climate factors and fisheries bycatch may simultaneously affect demographic parameters in a complex way, which can be integrated in population models to project population trajectories under future climate or fisheries scenarios. Needed are studies that integrate other environmental factors, trophic levels, foraging behaviour, climate−fisheries interactions, and the mechanisms underlying phenotypic plasticity, such as some pioneering studies conducted elsewhere.en_US
dc.description.sponsorshipWe thank the French Polar Institute (IPEV), the Terres Australes et Antarctiques Françaises, the Zone Atelier de Recherches sur l’Environnement Antarctique et Subantarctique (Centre National de la Recherche Scientifique—Institut Ecologie et Environnement), and the program Behavioural and Demographic Responses of Indian Ocean Marine Top Predators to Global Changes (REMIGE) funded by ANR Biodiversity for their ongoing support.en_US
dc.format.mimetypeapplication/pdf
dc.language.isoen_USen_US
dc.publisherInter-Researchen_US
dc.relation.urihttps://doi.org/10.3354/meps09616
dc.subjectSeabirdsen_US
dc.subjectBycatchen_US
dc.subjectPopulation dynamicsen_US
dc.subjectDemographyen_US
dc.subjectDistributionen_US
dc.subjectPhenologyen_US
dc.subjectSea iceen_US
dc.subjectSea-surface temperatureen_US
dc.titleEffects of climate change and fisheries bycatch on Southern Ocean seabirds : a reviewen_US
dc.typeArticleen_US
dc.identifier.doi10.3354/meps09616


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