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http://hdl.handle.net/10261/353490
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Campo DC | Valor | Lengua/Idioma |
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dc.contributor.author | Serrano-Davies, Eva | es_ES |
dc.contributor.author | Traba, Juan | es_ES |
dc.contributor.author | Arroyo, Beatriz | es_ES |
dc.contributor.author | Mougeot, François | es_ES |
dc.contributor.author | Cuscó, Francesc | es_ES |
dc.contributor.author | Mañosa, Santi | es_ES |
dc.contributor.author | Bota, Gerard | es_ES |
dc.contributor.author | Faria, Nuno | es_ES |
dc.contributor.author | Villers, Alexandre | es_ES |
dc.contributor.author | Casas, Fabián | es_ES |
dc.contributor.author | Attie, Carole | es_ES |
dc.contributor.author | Devoucoux, Pierrick | es_ES |
dc.contributor.author | Bretagnolle, Vincent | es_ES |
dc.contributor.author | Morales, Manuel B. | es_ES |
dc.date.accessioned | 2024-04-11T06:41:59Z | - |
dc.date.available | 2024-04-11T06:41:59Z | - |
dc.date.issued | 2023 | - |
dc.identifier.citation | Bird Conservation International 33: e40 (2023) | es_ES |
dc.identifier.uri | http://hdl.handle.net/10261/353490 | - |
dc.description.abstract | Adult sex ratios (ASRs) have proved to correlate with population trends, which make them potential useful indicators of a species’ population trajectory and conservation status. We analysed ASRs and proportion of juveniles in flocks of an endangered steppe bird, the Little Bustard Tetrax tetrax, using surveys made during the non-breeding period in seven areas within its Western European range (one in Portugal, four in Spain, and two in France). We found overall male-biased ASRs, as all the seven surveyed areas showed a male-biased ASR mean value. Five areas were below the threshold median value (female sex ratio = 0.4) considered to be consistent with an increased probability of extinction, according to earlier population viability analyses for the species. We also found a significant positive correlation between female ratio and the proportion of young individuals in the non-breeding flocks surveyed. Our results (strongly male-biased ASRs) support the hypothesis that the viability of Little Bustard populations in Western Europe is threatened by an excess of female mortality, something that should be quantified in the future, and emphasise the value of monitoring sex ratio as a population viability indicator in species where monitoring survival is difficult to achieve. | es_ES |
dc.description.sponsorship | This paper is a contribution to the REMEDINAL 3 (S2013/MAE-2719) network which funded a post-doc contract for ESD. It also contributes to the Excellence Network REMEDINAL 3CM (S2013/MAE2719), supported by Comunidad de Madrid. | es_ES |
dc.format | application/pdf | es_ES |
dc.language.iso | eng | es_ES |
dc.publisher | Cambridge University Press | es_ES |
dc.relation | S2013/MAE-2719/REMEDINAL-3CM | es_ES |
dc.relation.isversionof | Publisher's version | es_ES |
dc.relation.isbasedon | The underlying dataset has been published as supplementary material of the article in the publisher platform at DOI 10.1017/S0959270922000430 | es_ES |
dc.rights | openAccess | es_ES |
dc.subject | Female mortality | es_ES |
dc.subject | Western Europe | es_ES |
dc.subject | Conservation | es_ES |
dc.subject | Steppe birds | es_ES |
dc.subject | Endangered species | es_ES |
dc.title | Biased adult sex ratios in Western Europe populations of Little Bustard Tetrax tetrax as a potential warning signal of unbalanced mortalities | es_ES |
dc.type | artículo | es_ES |
dc.identifier.doi | 10.1017/S0959270922000430 | - |
dc.description.peerreviewed | Peer reviewed | es_ES |
dc.relation.publisherversion | https://doi.org/10.1017/S0959270922000430 | es_ES |
dc.identifier.e-issn | 1474-0001 | - |
dc.rights.license | http://creativecommons.org/licenses/by/4.0 | es_ES |
dc.contributor.funder | Comunidad de Madrid | es_ES |
dc.relation.csic | Sí | es_ES |
oprm.item.hasRevision | no ko 0 false | * |
dc.identifier.funder | http://dx.doi.org/10.13039/100012818 | es_ES |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.grantfulltext | open | - |
item.fulltext | With Fulltext | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.languageiso639-1 | en | - |
item.cerifentitytype | Publications | - |
item.openairetype | artículo | - |
Aparece en las colecciones: | (IREC) Artículos (EEZA) Artículos |
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biasedmortal.pdf | 637,31 kB | Adobe PDF | Visualizar/Abrir |
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