Table 3 Seasonal variability of Nitella mucronata biomass in sub-zones of the main water zone of the Kuźnica clarification pond in 2019.

26.58 ± 1.05^A

27.83 ± 1.56^A

32.60 ± 1.23^A

29.01 ± 2.94^A

43.71 ± 24.02^A

77.24 ± 6.62^A

93.71 ± 6.74^B

71.56 ± 25.58^B

152.35 ± 56.62^A

265.10 ± 28.21^B

323.39 ± 33.54^C

246.95 ± 82.87^C