Original ResearchPublished 19 August 2026Environmental history shapes ecophysiology and microbiota of Macrocystis pyrifera at contrasting glacier- and ocean-influenced sites in the Magellanic sub-Antarctic ecoregionJuan Pablo Rodríguez · Andrés Mansilla · Karla Martínez-Cruz · Zambra López-Farrán · Johanna Marambio · Francisco Bahamonde · Fabio MéndezFrontiers in Conservation Sciencedoi 10.3389/fcosc.2026.1873259