By Martina P | 10:49 PM UTC, Sat March 31, 2012 Locality Hartsee Country Germany Year 1987 Temperature (°C) 14.0 pH 8.0 Conductivity (μS/cm) 300 Species Mallomonas alpina Mallomonas crassisquama Mallomonas tonsurata Mallomonas caudata References HARTMANN & STEINBERG (1989) Coordinates 47.927069, 12.365534