Table 1 Physico-chemical and biological factors of the Nadrybie reservoir water measured during two growing seasons (April-September 2019 and 2020).
Parameter | 2019 | 2020 | ||
|---|---|---|---|---|
Average | SD | Average | SD | |
N-NH4 (mg L−1) | 0.38 | 0.07 | 0.30 | 0.12 |
N-NO3 (mg L−1) | 6.48 | 0.74 | 3.60 | 0.86 |
TN (mg L−1) | 8.18 | 0.61 | 5.44 | 1.10 |
TSI (TN) | 85 | 1 | 79 | 3 |
P-PO4 (mg L−1) | 0.16 | 0.06 | 0.21 | 0.05 |
TP (mg L−1) | 0.25 | 0.06 | 0.32 | 0.08 |
TSI (TP) | 83 | 4 | 87 | 4 |
pH | 8.35 | 0.35 | 8.26 | 0.42 |
Electrical conductivity (µS cm−1) | 351.17 | 58.18 | 334.00 | 52.12 |
Water temp. (°C) | 19.15 | 5.58 | 17.32 | 5.62 |
CHL-a (µg L−1) | 20.50 | 9.15 | 17.16 | 8.98 |
TSI (CHL) | 59 | 4 | 57 | 5 |
