By Magda | 2:08 PM UTC, Mon February 07, 2011 Locality Province of Gelderland, Erpewaai I Country Netherlands Year 1979 Temperature (°C) 7.0 pH 7.2 Conductivity (μS/cm) 549 Species Mallomonas akrokomos Mallomonas alpina Mallomonas tonsurata Paraphysomonas imperforata Paraphysomonas vestita Spiniferomonas trioralis Synura echinulata Synura petersenii Synura uvella Mallomonas caudata Synura spinosa Synura petersenii f. praefracta (= Synura praefracta) Paraphysomonas bandaiensis References ROIJACKERS (1981) Coordinates 51.761054, 5.827293