|
| Class 2 (n=14) | Class 3 (n=49) | Class 4 (n=69) | Class 5 (n=62) | Class 6 (n=46) | Class 7 (n=24) | Class 8 (n=6) |
| Insects | 99.40 | 98.08 | 85.08 | 87.68 | 92.55 | 88.1 | 87.4 |
| Arachnids | 0.00 | 0 | 0 | 0 | 0.04 | 0 | 0 |
| Crustaceans | 0.00 | 0 | 0.04 | 0.25 | 1.19 | 5.4 | 2.52 |
| Nematodes | 0.00 | 0 | 0.08 | 0 | 0 | 0 | 0 |
| Macrophytes | 0 | 1.93 | 14.55 | 10.74 | 5.6 | 3.7 | 9.7 |
| Fish scales | 2.3 | 0 | 0.21 | 0.58 | 0.25 | 1.8 | 0 |
| Birds feathers | 0 | 0 | 0.01 | 0 | 0.18 | 0.8 | 0 |