By Martina P | 11:32 AM UTC, Mon December 12, 2011 Year 1969 Temperature (°C) 8.7 pH 6.8 Conductivity (μS/cm) 100 Species Mallomonas mangofera Paraphysomonas vestita Synura echinulata Synura petersenii Synura uvella Spiniferomonas cornuta References KRISTIANSEN (1975)