By Martina P | 10:23 PM UTC, Tue March 13, 2012 Year 1999 Temperature (°C) 22.2 pH 8.6 Conductivity (μS/cm) 640 Species Mallomonas alata Mallomonas alpina Mallomonas tonsurata Paraphysomonas vestita Synura curtispina Synura petersenii Mallomonas caudata Mallomonas acaroides References BARRETO (2005)