By Magda | 8:48 PM UTC, Sat March 12, 2011 Locality Erpewaai IV Country Netherlands Year 1979 Temperature (°C) 19.0 pH 7.2 Conductivity (μS/cm) 215 Species Mallomonas akrokomos Paraphysomonas vestita Synura echinulata Synura petersenii Synura uvella Mallomonas caudata Synura spinosa References ROIJACKERS & KESSELS (1981) Coordinates 51.761054, 5.827293