Abundance of bacillariophyceae at time series station Helgoland Roads, North Sea, in 1999

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 group bacillariophyceae of the phytoplankton community observed in 1999. Additional meta-information and further documentation are also provided in the section Documentation.