Protozoa and Metazoa Initial Final Ciliate (free swimming and sessile) Low frequency High frequency Sarcodine NI * High frequency Flagellate High frequency Low frequency Rotifers Low frequency High frequency Nematodes Low frequency NI * Oligotrichia NI * NI * *N.I. = Not identified

Table 2: Protozoa and Metazoa frequency in initial and final biomass acclimation period