title: Characterize variables in biogeochemical conditions and spatial distribution of bacterial communities across the English Channel in two main productive seasons
design: Amplification of the V2-V3 region of eukaryote 18S ribosomal RNA gene using primers 18S-82F (5-GAAACTGCGAATGGCTC-3) and Euk-516r (5-ACCAGACTTGCCCTCC-3)