We found that the Baltic Sea spring diatom bloom displayed strong spatial structure driven by oceanographic connectivity and geographical distance, which was enhanced by the pronounced salinity gradient http://onlinelibrary.wiley.com/doi/10.1111/jbi.12722/abstract#. This work was done within the Prodiversa Nordforsk network and would not have been possible for a single group to do alone. More of this Nordforsk, please!