Volta

Metabarcoding reveals high‐resolution biogeographical and metaphylogeographical patterns through marine barriers

Abstract Aim It has been predicted that there should be concordance between biogeographical and phylogeographical processes structuring multi‐species regional assemblages. We hypothesise that oceanographic barriers in the marine environment affect concomitantly the distribution and the connectivity of the marine biota, thus producing congruent biogeographical and phylogeographical structures. We also predict that macro‐ and meio‐eukaryotes will be differentially affected by hydrological features. Location The Atlanto‐Mediterranean transition along the E Iberian coast marked by the Almeria‐Oran Front (AOF) and the Ibiza Channel hydrological discontinuities. Taxon Eukaryotes. Methods A new analytical framework based in the metabarcoding of community DNA and a hypervariable marker is presented. This framework allows the simultaneous detection of multispecies biogeographical and phylogeographical structures. Shallow hard‐bottom communities were sampled at …

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