By Martina P | 7:39 PM UTC, Mon July 23, 2012 Year 1981 Temperature (°C) 8.0 pH 9.0 Conductivity (μS/cm) 530 Species Mallomonas alpina Mallomonas heterospina Mallomonas intermedia Mallomonas multiunca Mallomonas papillosa Mallomonas striata Mallomonas tonsurata Synura petersenii Mallomonas acaroides References DÜRRSCHMIDT (1984)