Abundance of bacillariophyceae and dinophyceae at time series station Helgoland Roads, North Sea, in 1998

Since 1962 phytoplankton and microzooplankton composition are monitored every weekday at the station Kabeltonne (54°11.3′N, 7°54.0′E) as part of the Helgoland Roads long term data series. This data set contains the total abundance of the wider taxonomic groups bacillariophyceae, and dinophyceae of the phytoplankton community observed in 1998. Additional meta-information and further documentation are also provided in the section Documentation.