Subtle limits to connectivity revealed by outlier loci within two divergent metapopulations of the deep-sea hydrothermal gastropod Ifremeria nautilei

Adrien Tran Lu Y, Stephanie Ruault, Claire Daguin-Thiébaut, Jade Castel, Nicolas Bierne, Thomas Broquet, Patrick Wincker, Aude Perdereau, Sophie Arnaud-Haond, Pierre-Alexandre Gagnaire, Didier Jollivet, Stephane Hourdez & François Bonhomme
Hydrothermal vents form archipelagos of ephemeral deep-sea habitats that raise interesting questions about the evolution and dynamics of the associated endemic fauna, constantly subject to extinction-recolonization processes. These metal-rich environments are coveted for the mineral resources they harbor, thus raising recent conservation concerns. The evolutionary fate and demographic resilience of hydrothermal species strongly depend on the degree of connectivity among and within their fragmented metapopulations. In the deep sea, however, assessing connectivity is difficult and...
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