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Environmental Gradients And Physical Barriers Drive The Basin-Wide Spatial Structuring Of Mediterranean Sea And Adjacent Eastern Atlantic Ocean Prokaryotic Communities, Marta Sebastián, Eva Ortega-Retuerta, Laura Gómez-Consarnau, Marina Zamanillo, Marta Álvarez, Javier Arístegui, Josep M. Gasol
Environmental Gradients And Physical Barriers Drive The Basin-Wide Spatial Structuring Of Mediterranean Sea And Adjacent Eastern Atlantic Ocean Prokaryotic Communities, Marta Sebastián, Eva Ortega-Retuerta, Laura Gómez-Consarnau, Marina Zamanillo, Marta Álvarez, Javier Arístegui, Josep M. Gasol
Research outputs 2014 to 2021
The Mediterranean Sea is a miniature ocean divided by the Sicily Strait into two basins with a marked west to east trophic gradient and separated of the nearby eastern Atlantic Ocean by the Strait of Gibraltar. Here, we test the hypothesis that these physical and environmental barriers favor the development of specific prokaryotic assemblages, leading to changes in community structure both in the vertical and horizontal spatial scales. By analyzing taxonomic and phylogenetic diversity using amplicon sequence variants (ASVs) of the 16S rRNA gene, we show that there is indeed marked vertical segregation of prokaryotic groups, similar to that found …