By Martina P | 3:47 PM UTC, Fri November 18, 2011 Year 1987 pH 6.4 Conductivity (μS/cm) 46 Species Mallomonas akrokomos Mallomonas allorgei Mallomonas crassisquama Mallomonas punctifera Mallomonas tonsurata Spiniferomonas trioralis Synura petersenii Mallomonas caudata Synura spinosa Mallomonas hamata Chrysosphaerella coronacircumspina Chrysosphaerella longispina Spiniferomonas bilacunosa Spiniferomonas serrata References ELORANTA (1989)