This dataset includes measured and calculated data over the epipelagic layer (0-200 m depth) of 25 stations with 14 of them inside or in the vicinity of a cyclonic eddy that formed off Mauritania alon
Values are the mean±standard deviation of four replicates. Within each vertical column, values followed by the same letter are not statistically different from each other (P<0.01). The number of OTUs,