Particulate nitrogen and carbon in seston at Sylt Roads, Station 2 (55.012500 N, 8.490000E), Sylt-Rømø Bight, North Sea in 1990 - Rick, Johannes J; Reinicke, Conny; Martens, Peter; Wiltshire, Karen Helen (Alfred Wegener Institute - Wadden Sea Station Sylt, 2018)