Registro completo de metadatos
| Campo DC | Valor | Lengua/Idioma |
|---|---|---|
| dc.creator | Colominas Ciuró, Roger | - |
| dc.creator | Bertellotti, Néstor Marcelo | - |
| dc.creator | Carabajal, Eliana | - |
| dc.creator | D'amico, Veronica Laura | - |
| dc.creator | Barbosa, Osvaldo Andres | - |
| dc.date | 2018-03-06T20:08:58Z | - |
| dc.date | 2018-03-06T20:08:58Z | - |
| dc.date | 2017-05 | - |
| dc.date | 2018-03-02T14:59:30Z | - |
| dc.date.accessioned | 2019-04-29T15:53:24Z | - |
| dc.date.available | 2019-04-29T15:53:24Z | - |
| dc.date.issued | 2017-05 | - |
| dc.identifier | Colominas Ciuró, Roger; Bertellotti, Néstor Marcelo; Carabajal, Eliana; D'amico, Veronica Laura; Barbosa, Osvaldo Andres; Incubation increases oxidative imbalance compared to chick rearing in a seabird, the Magellanic penguin (Spheniscus magellanicus); Springer; Marine Biology; 164; 5; 5-2017; 1-8 | - |
| dc.identifier | 0025-3162 | - |
| dc.identifier | http://hdl.handle.net/11336/38055 | - |
| dc.identifier | 1432-1793 | - |
| dc.identifier | CONICET Digital | - |
| dc.identifier | CONICET | - |
| dc.identifier.uri | http://rodna.bn.gov.ar:8080/jspui/handle/bnmm/304740 | - |
| dc.description | It is expected that activities which require a high use of energy could generate higher oxidative stress. In the present study, we have compared two breeding periods (incubation and chick rearing) with different energetic demands in the Magellanic penguin, predicting a higher oxidative unbalance during chick rearing since involves higher demanding activities such as chick feeding and greater nest protection than during incubation. Specifically, we predicted higher oxidative damage and lower antioxidant defences during chick rearing than during incubation. Fieldwork was conducted in a Magellanic penguin colony located in Estancia San Lorenzo (42°05′S, 63°49′W), Peninsula Valdes, Argentina, during the breeding season of 2014–2015. Surprisingly, our results did not support our initial prediction. Incubating adults had their oxidative status unbalanced showing significantly lower antioxidant levels than those rearing chicks. Moreover, oxidative damage did not show any significant variation between both breeding periods. Further, we did not find differences in oxidative status between sexes. Our results suggest that incubation is a highly demanding activity compared to chick rearing in terms of oxidative balance since the lower presence of antioxidants can be explained as they have probably depleted to limit oxidative damage by ROS. Differential foraging effort could explain such results as Magellanic penguins adjust their foraging location to prey availability performing longer foraging trips during incubation than during chick rearing which increases the energy costs and therefore imbalance penguins oxidative status. Our results show the importance of examining physiological markers such as oxidative stress to assess differences during the breeding cycle and how the behaviour at sea could explain such differences in seabirds. | - |
| dc.description | Fil: Colominas Ciuró, Roger. Consejo Superior de Investigaciones Cientificas. Museo Nacional de Ciencias Naturales; España | - |
| dc.description | Fil: Bertellotti, Néstor Marcelo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Centro Nacional Patagónico. Centro para el Estudio de Sistemas Marinos; Argentina | - |
| dc.description | Fil: Carabajal, Eliana. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Centro Nacional Patagónico. Centro para el Estudio de Sistemas Marinos; Argentina | - |
| dc.description | Fil: D'amico, Veronica Laura. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Centro Nacional Patagónico. Centro para el Estudio de Sistemas Marinos; Argentina | - |
| dc.description | Fil: Barbosa, Osvaldo Andres. Consejo Superior de Investigaciones Científicas. Museo Nacional de Ciencias Naturales; España | - |
| dc.format | application/pdf | - |
| dc.format | application/pdf | - |
| dc.language | eng | - |
| dc.publisher | Springer | - |
| dc.relation | info:eu-repo/semantics/altIdentifier/url/http://link.springer.com/10.1007/s00227-017-3139-4 | - |
| dc.relation | info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1007/s00227-017-3139-4 | - |
| dc.rights | info:eu-repo/semantics/restrictedAccess | - |
| dc.rights | https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ | - |
| dc.source | reponame:CONICET Digital (CONICET) | - |
| dc.source | instname:Consejo Nacional de Investigaciones Científicas y Técnicas | - |
| dc.source | instacron:CONICET | - |
| dc.subject | BREEDING PERIOD | - |
| dc.subject | REACTIVE OXYGEN METABOLITE | - |
| dc.subject | MAGELLANIC PENGUIN | - |
| dc.subject | CHICK REAR | - |
| dc.subject | TOTAL PLASMA ANTIOXIDANT CAPACITY | - |
| dc.subject | Otras Ciencias Biológicas | - |
| dc.subject | Ciencias Biológicas | - |
| dc.subject | CIENCIAS NATURALES Y EXACTAS | - |
| dc.title | Incubation increases oxidative imbalance compared to chick rearing in a seabird, the Magellanic penguin (Spheniscus magellanicus) | - |
| dc.type | info:eu-repo/semantics/article | - |
| dc.type | info:eu-repo/semantics/publishedVersion | - |
| dc.type | info:ar-repo/semantics/articulo | - |
| Aparece en las colecciones: | CONICET | |
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