By Magda | 7:57 PM UTC, Sat March 12, 2011 Locality Erpewaai I Country Netherlands Year 1979 Temperature (°C) 19.5 pH 7.0 Conductivity (μS/cm) 235 Species Mallomonas tonsurata Mallomonas caudata Synura spinosa References ROIJACKERS & KESSELS (1981) Coordinates 51.761054, 5.827293