Syracuse

Past climate changes and strong oceanographic barriers structured low-latitude genetic relics for the golden kelp Laminaria ochroleuca

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Assis, Jorge | Serrão, Ester Álvares | Coelho, Nelson Castilho | Tempera, Fernando | Valero, Myriam | Alberto, Filipe

Edité par CCSD ; Wiley -

International audience. Drivers of intraspecific biodiversity include past climate‐driven range shifts and contemporary ecological conditions mediating connectivity, but these are rarely integrated in a common comprehensive approach. This is particularly relevant for marine organisms, as ocean currents strongly influence population isolation or connectivity, keeping or diluting the signatures left by past climates. Here we ask whether the coupling between past range shifts and contemporary connectivity explain the extant gene pools of Laminaria ochroleuca, a large brown alga structuring important marine forests from shallow to deep infralittoral grounds.

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