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