Table 3 Observed situation (land cover) of sampled aquatic habitats
Dongola | Merowe | Combined | |||||||
|---|---|---|---|---|---|---|---|---|---|
Situation type* | No. sampled | No. positive | % positive | No. sampled | No. positive | % positive | No. sampled | No. positive | % positive |
Settlement | 429 | 27 | 6.3 | 896 | 34 | 3.8 | 1,325 | 61 | 4.6 |
Palm grove | 374 | 17 | 4.5 | 718 | 50 | 7.0 | 1,092 | 67 | 6.1 |
Channel edge | 188 | 69 | 36.7 | 182 | 60 | 33.0 | 370 | 129 | 34.9 |
Bare fields | 123 | 17 | 13.8 | 184 | 15 | 8.2 | 307 | 32 | 10.4 |
Cultivated fields | 117 | 12 | 10.3 | 41 | 2 | 4.9 | 158 | 14 | 8.9 |
Brickworks | 51 | 12 | 23.5 | 38 | 5 | 13.2 | 89 | 17 | 19.1 |
All situations | 1,282 | 154 | 12.0 | 2,059 | 166 | 8.1 | 3,341 | 320 | 9.6 |