HARRIBEY, Marie-Gabrielle; MERGEAY, Joachim; WESTRAM, Anja M.; CAI, Xiatong; GEUE, Julia; NOBLE, Leslie R.; RASPAIL, Frédéric; GALBUSERA, Peter; HOBAN, Sean; KOPATZ, Alexander; LAIKRE, Linda; SEGELBACHER, Gernot; VERNESI, Cristiano; HVILSOM, Christina; RAEYMAEKERS, Joost; HEUERTZ, Myriam; GARNIER‐GÉRÉ, Pauline

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HARRIBEY, Marie-Gabrielle
Biodiversité, Gènes & Communautés [BioGeCo]

MERGEAY, Joachim
Research Institute for Nature and Forest [INBO]

WESTRAM, Anja M.
Institute of Science and Technology [Klosterneuburg, Austria] [IST Austria]
Nord University [Bodø]

Langue

Communication dans un congrès

Ce document a été publié dans

OIKOS Norway 2025, 2025-04-09, Bodø.

Résumé en anglais

Population genetic diversity (GD) is essential for long-term adaptive potential in wild species and is shaped by life-history traits (LHTs) and microevolutionary processes. Conservation policy has endorsed protection of GD with the adoption of a Headline Indicator in the 2022 Global Biodiversity Framework, based on effective population size Ne. To shed light on the drivers of population Ne and improve GD indicator estimation, we estimated Ne for different, large DNA datasets in ca. 20 selected species with contrasted LHTs related to lifespan (axis 1) and reproductive strategies (axis 2). In each species, we estimated Ne with two methods using Linkage Disequilibrium statistics in 2-15 populations, considering spatial genetic structure, dispersal capacity and population history (axis 3) as well as technical data features. We discuss challenges linked to DNA-based Ne estimates and GD indicators in contrasted species, and contribute to developing best practices for GD indicator estimation.< Réduire

Mots clés en anglais

Genetic indicators

Biodiversity conservation

Effective population size

Genetic diversity

Project ANR

Indicateurs génétiques pour le suivi de la nature

Origine

Importé de hal

Unités de recherche

BioGeCo (Biodiversité Gènes & Communautés) - UMR 1202