Table 1.
Physico-chemical parameters at the three sites and sampling seasons in which samples were taken.
| Sites | Co-ordinates | Sample* | Season | Physico-chemical parameters | ||
|---|---|---|---|---|---|---|
| O2 (mg L−1) | Salinity (g L−1) | pH | ||||
| Site 1: Riverbed zone |
38° 07′ 34.44″ N; 1° 07′ 11.13″ W |
S1A, S2A | June, 2006 | 10.2 | 44.4 | 6.3 |
| S4A | 4.5 | 83 | 6.8 | |||
| S1B, S2B | February, 2007 | 17.2 | 18.6 | 8.2 | ||
| S4B | 14.3 | 20.2 | 8.1 | |||
| S1C, S2C | November, 2007 | 13 | 11.8 | 8.3 | ||
| S4C | 7.9 | 22.2 | 8.0 | |||
| Site 2: Transfer zone |
38° 07′ 30.23″ N; 1° 07′ 42.22″ W |
S3A | June, 2006 | 1.5 | 62.1 | 8.7 |
| S3B | February, 2007 | 10.5 | 34 | 8.1 | ||
| S3C | November, 2007 | 20.6 | 29 | 8.3 | ||
| Site 3: Upwelling zone |
38° 07′ 29.09″ N; 1° 07′ 42.15″ W |
S7A, S8A | June, 2006 | 1 | 140 | 7.1 |
| S7B, S8B | February, 2007 | 0.6 | 157.6 | 6.7 | ||
| S7C, S8C | November, 2007 | 4 | 151.2 | 7.2 | ||