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dc.contributor.authorPayo-Payo, Anaes_ES
dc.contributor.authorSanz-Aguilar, Anaes_ES
dc.contributor.authorGenovart, Meritxelles_ES
dc.contributor.authorBertolero, Albertes_ES
dc.contributor.authorPiccardo, Juliaes_ES
dc.contributor.authorCamps, D.es_ES
dc.contributor.authorRuiz-Olmo, J.es_ES
dc.contributor.authorOro, Danieles_ES
dc.identifier.citationScientific Reports 8 : 1971 (2018)es_ES
dc.descriptionEste artículo contiene 7 páginas, 3 figuras.es_ES
dc.description.abstractPredators are an important ecological and evolutionary force shaping prey population dynamics. Ecologists have extensively assessed the lethal effects of invasive predators on prey populations. However, the role of non-lethal effects, such as physiological stress or behavioural responses like dispersal, has been comparatively overlooked and their potential population effects remain obscure. Over the last 23 years, we developed a mark-recapture program for the Audouin’s gull and an intensive carnivore monitoring program to assess how the appearance and invasion of the study site by carnivores affects population dynamics. We evaluate changes in turnover of discrete breeding patches within the colony, age structure and breeding performance. Once carnivores entered the colony, the number of occupied patches increased, indicating a higher patch turnover. Breeders responded by moving to areas less accessible to carnivores. More importantly, the presence of carnivores caused differential (and density-independent) breeding dispersal: experienced, better-performing breeders were more likely to leave the colony than younger breeders. This differential dispersal modified the age structure and reduced the reproductive performance of the population. Our results confirm the importance experience in the study of populations. The role of differential dispersal for animal population dynamics might be more important than previously thought, especially under scenarios of global change.es_ES
dc.description.sponsorship RESET (ref.CGL2017-85210-P), FPU (ref. FPU2012-000869), IBISES (ref. CGL2013-42203-R) and MINOW (ref. H2020- 634495). ASA and MG are supported by a postdoctoral contract co-funded by the Regional Government of the Balearic Islands and the European Social Fund (ref. PD/003/2016 and PD/023/2015).es_ES
dc.publisherNature Publishing Groupes_ES
dc.relation.isversionofPublisher's versiones_ES
dc.titlePredator arrival elicits differential dispersal, change in age structure and reproductive performance in a prey populationes_ES
dc.description.peerreviewedPeer reviewedes_ES
oprm.item.hasRevisionno ko 0 false*
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