Table 2 Chemical and physical characteristics of water, soil, and sediments of Suquía River study sites
River sites | Water chemical characteristics | Sediment texture (%) | Soil texture (%) |
|---|---|---|---|
RS, reference site (La Calera city) | pH = 7.05 | Sand = 86.67 | Sand = 67.83 |
Conductivity = 181.4 μS cm−1 | Clay = 4.51 | Clay = 4.86 | |
Dissolved O2 = 8.44 mg L−1 | Silt = 8.79 | Silt = 27.32 | |
S1, site 1 (Córdoba city west border) | pH = 7.23 | Sand = 76.87 | Sand = 46.67 |
Conductivity = 432.4 μS cm−1 | Clay = 11.33 | Clay = 6.34 | |
Dissolved O2 = 8.85 mg L−1 | Silt = 11.71 | Silt = 46.99 | |
S2, site 2 (Córdoba city down town) | pH = 7.26 | Sand = 76.84 | Sand = 46.99 |
Conductivity = 972.3 μS cm−1 | Clay = 6.96 | Clay = 11.68 | |
Dissolved O2 = 10.79 mg L−1 | Silt = 16.19 | Silt = 41.34 | |
S3, site 3 (Córdoba city east border) | pH = 7.33 | Sand = 49.87 | Sand = 26.64 |
Conductivity = 929.0 μS cm−1 | Clay = 8.46 | Clay = 24.05 | |
Dissolved O2 = 11.91 mg L−1 | Silt = 41.67 | Silt = 49.32 | |
S4, site 4 (Corazón de María village) | pH = 6.96 | Sand = 75.57 | Sand = 81.58 |
Conductivity = 952.3 μS cm−1 | Clay = 6.0 | Clay = 5.0 | |
Dissolved O2 = 4.07 mg L−1 | Silt = 18.43 | Silt = 13.41 | |
S5, site 5 (Río Primero city) | pH = 7.05 | Sand = 77.34 | Sand = 60.04 |
Conductivity = 785.0 μS cm−1 | Clay = 5.13 | Clay = 5.51 | |
Dissolved O2 = 5.74 mg L−1 | Silt = 17.53 | Silt = 34.45 |