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Het OWA, het open archief van het Waterbouwkundig Laboratorium heeft tot doel alle vrij toegankelijke onderzoeksresultaten van dit instituut in digitale vorm aan te bieden. Op die manier wil het de zichtbaarheid, verspreiding en gebruik van deze onderzoeksresultaten, alsook de wetenschappelijke communicatie maximaal bevorderen.
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| one publication added to basket [367718] |
Demographic responses of Arctic seabirds to spring sea-ice variations
Sauser, C.; Angelier, F.; Blévin, P.; Chastel, O.; Gabrielsen, G.W.; Jouanneau, W.; Kato, A.; Moe, B.; Ramírez, F.; Tartu, S.; Descamps, S. (2023). Demographic responses of Arctic seabirds to spring sea-ice variations. Front. Ecol. Evol. 11: 1107992. https://dx.doi.org/10.3389/fevo.2023.1107992
In: Frontiers in Ecology and Evolution. Frontiers Media: Lausanne. ISSN 2296-701X; e-ISSN 2296-701X, meer
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| Trefwoorden |
Alle alle (Linnaeus, 1758) [WoRMS]; Rissa tridactyla (Linnaeus, 1758) [WoRMS]; Uria lomvia (Linnaeus, 1758) [WoRMS]
Marien/Kust |
| Auteurs | | Top |
- Sauser, C.
- Angelier, F.
- Blévin, P.
- Chastel, O.
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- Gabrielsen, G.W.
- Jouanneau, W.
- Kato, A.
- Moe, B.
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- Ramírez, F.
- Tartu, S., meer
- Descamps, S.
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| Abstract |
The Arctic experiences a rapid retreat of sea-ice, particularly in spring and summer, which may dramatically affect pagophilic species. In recent years, the decline of many Arctic seabird populations has raised concerns about the potential role of sea-ice habitats on their demography. Spring sea-ice drives the dynamics of phytoplankton blooms, the basis of Arctic food webs, and changes in spring sea-ice have the potential to affect the demographic parameters of seabirds through bottom-up processes. To better understand the effects of spring sea-ice on Arctic seabirds, we investigated the influence of spring sea-ice concentration on the survival and breeding success of three seabird species with contrasted foraging strategies in two Svalbard fjords in the high Arctic. We examined these relationships using long-term demographic data (2005–2021) from black-legged kittiwakes (Rissa tridactyla), Brünnich guillemots (Uria lomvia), and little auks (Alle alle). Spring sea-ice concentration was positively related to both the survival and breeding success of little auks, suggesting a higher sensitivity of this species to spring sea-ice. By contrast, the two other species were not particularly sensitive to changes in spring sea-ice, even though a potentially spurious negative effect on the breeding success of black-legged kittiwakes was observed. Overall, the study suggests that spring sea-ice may be involved in the demography of Arctic seabirds, but probably does not play a major role. |
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