Andréfouët Serge auteur aut IRD Le Gendre R. auteur aut IRD Thomas Yoann auteur aut IRD Lo-Yat A. auteur aut IRD Reisser C. M. O. auteur aut IRD text journalArticle eng text/pdf born digital access Connectivity affects species demography, (meta)population dynamics, evolution, phylogeny and biogeography. Various methodological approaches are applied to measure connectivity. Biophysical modelling can explore systematically the influence of atmospheric, oceanic and ecological forcing, while genetics measures connectivity patterns within the sampling strategy limit. In the Pacific Ocean pearl farming lagoons, the activity relies on spat collecting of the black lipped pearl oyster Pinctada margaritifera occurring after the larval dispersal phase, which follows spawning from wild or farmed populations. Biophysical 3D modelling and genomic studies have both separately brought insights on within-lagoon connectivity and on the origin of spats. Here, we combined previous genetics results with new realistic biophysical modelling scenarios to elucidate connectivity in Ahe Atoll lagoon. When combined, we identified the weather sequence likely explaining the realized connectivity observations. We discuss the strengths, weaknesses, opportunities and threats of combining these two approaches considering specific pearl farming demographic connectivity questions. specialized Connectivity matrix Population genomics Lagoon hydrodynamics Dispersal modelling Pinctada margaritifera POLYNESIE FRANCAISE TUAMOTU ATOLL AHE ATOLL 034 040 020 036 167 112324 [13 p.] 2021 0025-326X https://www.documentation.ird.fr/hor/fdi:010082151 10.1016/j.marpolbul.2021.112324 0025-326X [F B010082151] https://www.documentation.ird.fr/hor/fdi:010082151 https://www.documentation.ird.fr/intranet/publi/2021-08/010082151.pdf Accès réservé (Intranet de l'IRD) IRD - Base Horizon / Pleins textes 2021-08-31 2025-02-24 fdi:010082151 fre