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Comparison of genetic effective population size estimates in species across a large range of life-history strategies

hal.structure.identifierBiodiversité, Gènes & Communautés [BioGeCo]
dc.contributor.authorHARRIBEY, Marie-Gabrielle
hal.structure.identifierResearch Institute for Nature and Forest [INBO]
dc.contributor.authorMERGEAY, Joachim
hal.structure.identifierInstitute of Science and Technology [Klosterneuburg, Austria] [IST Austria]
hal.structure.identifierNord University [Bodø]
dc.contributor.authorWESTRAM, Anja M.
hal.structure.identifierNord University [Bodø]
dc.contributor.authorCAI, Xiatong
hal.structure.identifierAlbert-Ludwigs-Universität Freiburg = University of Freiburg
dc.contributor.authorGEUE, Julia
hal.structure.identifierUniversity of Aberdeen
dc.contributor.authorNOBLE, Leslie R.
hal.structure.identifierBiodiversité, Gènes & Communautés [BioGeCo]
dc.contributor.authorRASPAIL, Frédéric
hal.structure.identifierCentre for Research and Conservation
dc.contributor.authorGALBUSERA, Peter
hal.structure.identifierThe Morton Arboretum
dc.contributor.authorHOBAN, Sean
hal.structure.identifierNorwegian Institute for Nature Research [NINA]
dc.contributor.authorKOPATZ, Alexander
hal.structure.identifierStockholm University
dc.contributor.authorLAIKRE, Linda
hal.structure.identifierAlbert-Ludwigs-Universität Freiburg = University of Freiburg
dc.contributor.authorSEGELBACHER, Gernot
hal.structure.identifierResearch and Innovation Centre, Fondazione Edmund Mach
dc.contributor.authorVERNESI, Cristiano
hal.structure.identifierResearch and Conservation
dc.contributor.authorHVILSOM, Christina
hal.structure.identifierNord University [Bodø]
dc.contributor.authorRAEYMAEKERS, Joost
hal.structure.identifierBiodiversité, Gènes & Communautés [BioGeCo]
dc.contributor.authorHEUERTZ, Myriam
hal.structure.identifierBiodiversité, Gènes & Communautés [BioGeCo]
dc.contributor.authorGARNIER‐GÉRÉ, Pauline
dc.date.accessioned2025-10-08T02:01:36Z
dc.date.available2025-10-08T02:01:36Z
dc.date.conference2025-08-17
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/207758
dc.description.abstractEnPopulation genetic diversity (GD) is essential for long-term adaptive potential of wild species and is shaped by life-history traits (LHTs) and microevolutionary processes. International conservation policy has endorsed the protection of GD with the adoption of a Headline Indicator in the 2022 Kunming-Montreal Global Biodiversity Framework: “the proportion of populations with an effective population size Ne above 500”. To shed light on the drivers of population Ne and improve GD indicator estimation from genetic data, we developed a categorization framework and estimated Ne for a selected set of 25 DNA datasets with rich metadata. The species represented with these datasets harbour contrasted LHTs strategies that relate to lifespan (axis 1), the spread of reproductive stages throughout lifespan (axis 2), and, additionally, to spatial genetic structure, dispersal capacity or population history (axis 3). For each species, we compared Ne estimates obtained from two methods, based on the linkage disequilibrium in populations, or based on a Bayesian method including various genetic summary statistics as prior information. We also considered technical data features such as the type of molecular marker, and the number and quality of SNPs. Our results show a wide range of Ne estimates within some species (including populations with Ne below the 500 threshold and others above it), and also among species within the same categories of LHTs. We discuss challenges for obtaining reliable DNA-based Ne estimates for GD indicators in species with contrasted life-history trait variation, life cycle and evolutionary scenarios. By exploring these challenges, we aim to contribute to developing best practices for GD indicator estimation for nature managers.
dc.description.sponsorshipIndicateurs génétiques pour le suivi de la nature
dc.language.isoen
dc.subject.enEffective population size
dc.subject.enBiodiversity & Conservation
dc.subject.enGenetic indicators
dc.subject.enGenetic diversity
dc.title.enComparison of genetic effective population size estimates in species across a large range of life-history strategies
dc.typeAutre communication scientifique (congrès sans actes - poster - séminaire...)
dc.subject.halSciences du Vivant [q-bio]/Génétique/Génétique des populations [q-bio.PE]
dc.subject.halSciences du Vivant [q-bio]/Biodiversité
bordeaux.hal.laboratoriesBioGeCo (Biodiversité Gènes & Communautés) - UMR 1202*
bordeaux.institutionUniversité de Bordeaux
bordeaux.institutionINRAE
bordeaux.conference.titleThe European Society for Evolutionary Biology Congress (ESEB 2025)
bordeaux.countryES
bordeaux.conference.cityBarcelone
bordeaux.peerReviewedoui
hal.identifierhal-05302436
hal.version1
hal.invitednon
hal.proceedingsnon
hal.conference.organizerEuropean Society for Evolutionary Biology
hal.conference.end2025-08-22
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-05302436v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.au=HARRIBEY,%20Marie-Gabrielle&MERGEAY,%20Joachim&WESTRAM,%20Anja%20M.&CAI,%20Xiatong&GEUE,%20Julia&rft.genre=conference


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