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At the icy, wind-swept tip of South America lies Inútil Bay, a remote marine environment in the Tierra del Fuego archipelago that has long guarded its underwater secrets due to severe logistical and meteorological challenges. A multi-institutional team of researchers have successfully conducted the first comprehensive exploration of the intertidal and subtidal rocky ecosystems of Inútil Bay.
The expedition, supported by the Marine Program of Rewilding Chile, brought together specialists from CADIC-CONICET and the Universidad Nacional de Tierra del Fuego (Argentina) to conduct the first survey of benthic macroalgae in a region that had never been systematically studied before.
The findings from this survey, recently published in the Biodiversity Data Journal, provide a missing piece in the biogeographical puzzle of sub-Antarctic coastal environments. Benthic marine macroalgae act as important ecosystem engineers, modifying the physical structure of coastal habitats to create complex environments that support rich marine food webs and exceptionally high levels of biodiversity.
Beyond their role as local habitat providers, these extensive algal communities contribute significantly to global climate mitigation, while also serving as sensitive indicators of environmental health and human-induced disturbances.
