Pinnularia divergens W. Smith (1853: 57)

Pinnularia divergens W. Smith (1853: 57)

Fig. 8 View FIGURE 8 : AJ

Length: 62.3 µm; width: 9.4 µm; striae: 12 in 10 µm (n = 1)

Teratological form: deformed valve outline, with bent of the apex.

Occurrence: S1.

Ecological characteristics: Cond.: 60.00 µS cm –1; BOD: 13.63 mg L− 1; COD: 25.30 mg L− 1; N-NH: 200 µg L− 1; NO: 11.80 mg L− 1; 3 3 − 1 − − 1 − 1 − 1 3 DO: 9.50 mg L; pH: 6.78; PO: 0.002 mg L; TP: 0.01 mg L; TS: 44.00 mg L; Temp.: 19.10 °C; Turb.: 2.82; Flow: 0.06 m 4 s; Average depth: 0.03 m; Prec.: 4.96 mm.

Metal concentrations: Co: 30.30 mg L –1; Cr: 59.68 mg L –1; Cu: 263.28 mg L –1; Mn: 410.09 mg L –1; Ni: 45.89 mg L –1; Pb: 40.73 mg L –1; Zn: 139.68 mg L –1.