Table 2.
Cyanotoxin concentration in the Obrzyca River.
| Sampling Months [month/year] |
CYANOTOXINS [µg/L] | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| ANA | CYN | dmMC- RR |
MC- RR |
dmMC- LR |
MC-LF | MC- LR |
MC- LY |
MC- LW |
MC- YR |
∑MCs | |
| SADOWO | |||||||||||
| 07/2019 | n.d. | n.d. | n.d. | n.d. | n.d. | n.d. | n.d. | n.d. | n.d. | n.d. | n.d. |
| 08/2019 | n.d. | n.d. | n.d. | n.d. | n.d. | n.d. | n.d. | n.d. | n.d. | n.d. | n.d. |
| 09/2019 | n.d. | n.d. | n.d. | <0.01 | n.d. | n.d. | n.d. | n.d. | n.d. | n.d. | n.d. |
| 10/2019 | <0.01 | n.d. | n.d. | 0.01 | 0.73 | 0.03 | 0.06 | <0.01 | <0.01 | n.d. | 0.83 |
| UŚCIE | |||||||||||
| 07/2019 | n.d. | n.d. | n.d. | <0.01 | n.d. | 0.03 | <0.01 | n.d. | n.d. | n.d. | 0.03 |
| 08/2019 | n.d. | n.d. | n.d. | 0.14 | n.d. | 0.06 | 0.32 | <0.01 | <0.01 | 0.09 | 0.61 |
| 09/2019 | 0.05 | n.d. | 1.56 | 0.58 | n.d. | 0.21 | 1.33 | 0.03 | 0.03 | 0.23 | 3.97 |
| 10/2019 | 0.02 | n.d. | 1.66 | 0.17 | n.d. | 0.06 | 0.23 | 0.01 | 0.01 | 0.07 | 2.21 |
| WOJNOWO | |||||||||||
| 07/2019 | 0.01 | n.d. | n.d. | <0.01 | n.d. | 0.07 | <0.01 | n.d. | n.d. | n.d. | 0.07 |
| 08/2019 | 0.47 | 0.02 | n.d. | <0.01 | n.d. | 0.01 | n.d. | n.d. | <0.01 | n.d. | 0.01 |
| 09/2019 | 0.56 | 0.01 | n.d. | 0.3 | 0.41 | 0.02 | n.d. | <0.01 | <0.01 | n.d. | 0.46 |
| 10/2019 | 0.15 | 0.01 | n.d. | 0.01 | 0.73 | n.d. | n.d. | <0.01 | <0.01 | 0.13 | 0.86 |
n.d.—not detected, ANA—anatoxin-a, CYN—cylindrospermopsin, dm—demethylated forms of microcystins; ∑MCs—sum of microcystins. Maximal value of microcystins sum are bold and underlined. Concentrations above 1 μg/L are bold.