Craticula submolesta (Hustedt) Lange-Bertalot (1996: 42)

Fig. 10: W

Length: 16.8 µm; width: 4.1 µm; striae: 21 in 10 µm (n = 1)

Teratological form: deformed valve outline, slightly undulated in one side of the valve.

Occurrence: S3.

Ecological characteristics: Cond.: 53.00 µS cm –1; BOD: 1.49 mg L− 1; COD: 8.08 mg L− 1; N-NH: 378 µg L− 1; NO: 0.37 mg L− 1; DO: 3 3 − 1 − − 1 − 1 − 1 14.57 mg L; pH: 6.19; PO: 0.006 mg L; TP: 0.010 mg L; TS: 38.00 mg L; Temp.: 17.37 °C; Turb.: 10.70; Flow: 0.47 4 m 3 s; Average depth: 0.19 m; Prec.: 4.96–9.96 mm.

Metal Concentrations: Co: 23.91–37.79 mg L –1; Cr: 27.33–85.16 mg L –1; Cu: 197.55–259.07 mg L- 1; Mn: 398.50–465.70 mg L –1; Ni: 31.80–69.89 mg L- 1; Pb: 35.58–49.66 mg L –1; Zn: 93.81–167.31 mg L –1.