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Media type:
E-Article
Title:
First mussel settlement observed in Antarctica reveals the potential for future invasions
Contributor:
Cárdenas, Leyla;
Leclerc, Jean-Charles;
Bruning, Paulina;
Garrido, Ignacio;
Détrée, Camille;
Figueroa, Alvaro;
Astorga, Marcela;
Navarro, Jorge M.;
Johnson, Ladd E.;
Carlton, James T.;
Pardo, Luis
imprint:
Springer Science and Business Media LLC, 2020
Published in:Scientific Reports
Language:
English
DOI:
10.1038/s41598-020-62340-0
ISSN:
2045-2322
Origination:
Footnote:
Description:
<jats:title>Abstract</jats:title><jats:p>Global biodiversity is both declining and being redistributed in response to multiple drivers characterizing the Anthropocene, including synergies between biological invasions and climate change. The Antarctic marine benthos may constitute the last biogeographic realm where barriers (oceanographic currents, climatic gradients) have not yet been broken. Here we report the successful settlement of a cohort of <jats:italic>Mytilus</jats:italic> cf. <jats:italic>platensis</jats:italic> in a shallow subtidal habitat of the South Shetland Islands in 2019, which demonstrates the ability of this species to complete its early life stages in this extreme environment. Genetic analyses and shipping records show that this observation is consistent with the dominant vectors and pathways linking southern Patagonia with the Antarctic Peninsula and demonstrates the potential for impending invasions of Antarctic ecosystems.</jats:p>