Table 1:
Habitat characteristics of the sampling sites (
).
Variable
Mean
Min
Max
Width (m)
13
2
60
Depth (cm)
35
11
66
Velocity (cm/s)
41
13
68
Substratum particle size*
4.5
0
7.4
Canopy shading (%)
11
0
56
Aquatic vegetation cover (%)
53
6
100
Conductivity (
μ
S/cm)
51
18
290
pH
6.7
4.9
7.2
*Wenthworth scale: (0) <0.07 mm; (1) 0.07–2 mm; (2) 2.1–8 mm; (3) 8.1–16 mm; (4) 16.1–32 mm; (5) 32.1–64 mm; (6) 64.1–128 mm; (7) 128.1–256 mm; (8) >256.1 mm.