Long-term patterns of an interconnected core marine microbiota
2022
Krabberød, Anders K. | Ferrera, Isabel | Deutschmann, Ina M. | Bjorbækmo, Marit F. M. | Balagué, Vanessa | Giner, Caterina R. | Ferrera, I. (Isabel) | Garcés, Esther | Massana, Ramon | Gasol, Josep M. | Logares, Ramiro
Ocean microbes constitute ~ 70% of the marine biomass, are responsible for ~ 50% of the Earth’s primary production and are crucial for global biogeochemical cycles. Marine microbiotas include core taxa that are usually key for ecosystem function. Despite their importance, core marine microbes are relatively unknown, which reflects the lack of consensus on how to identify them. So far, most core microbiotas have been defined based on species occurrence and abundance. Yet, species interactions are also important to identify core microbes, as communities include interacting species. Here, we investigate interconnected bacteria and small protists of the core pelagic microbiota populating a long-term marine-coastal observatory in the Mediterranean Sea over a decade.
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