ERP125990 PRJEB42159 ena-STUDY-MAX PLANCK INSTITUTE FOR MARINE MICROBIOLOGY-18-12-2020-09:27:57:289-75 Seasonality of bacterial communities in sandy sediments from Helgoland (North Sea, German Bight (2018 to 2019) Surface sediments (0-2 cm depth) were sampled at the long-term ecological research station Helgoland Roads on 19 sampling dates in 2018 and 2019. To investigate seasonal changes of the bacterial communities, 16S rRNA genes were amplified from extracted DNA and sequenced using primers targeting the V3-V4 region. Bacterial communities in sandy sediments at Helgoland Surface sediments (0-2 cm depth) were sampled at the long-term ecological research station Helgoland Roads on 19 sampling dates in 2018 and 2019. To investigate seasonal changes of the bacterial communities, 16S rRNA genes were amplified from extracted DNA and sequenced using primers targeting the V3-V4 region. ENA-FIRST-PUBLIC 2021-03-30 ENA-LAST-UPDATE 2020-12-18