Table 2 The basic input data and biological parameters of groups as estimated by Ecopath for the artificial ecosystem model
Trophic group | Biomass (t km−2) | P/B (year−1) | Q/B (year−1) | EE | GE (P/Q) | Trophic level | Unassimilated consumption | Catch (t km−2) |
|---|---|---|---|---|---|---|---|---|
1 Phytoplankton | 14.16 | 118.2 | – | 0.194 | – | 1.00 | 0.4 | – |
2 Macrophytes | 32.60 | 7.50 | – | 0.591 | – | 1.00 | 0.4 | 2.52 |
3 Herbivorous zooplankton | 14.80 | 86.00 | 280.00 | 0.358 | 0.307 | 2.00 | 0.4 | – |
4 Carnivorous zooplankton | 6.00 | 25.00 | 89.00 | 0.891 | 0.281 | 2.84 | 0.3 | – |
5 Infauna | 14.15 | 4.00 | 20.00 | 0.902 | 0.200 | 2.44 | 0.3 | – |
6 Mollusca | 6.82 | 1.75 | 14.00 | 0.376 | 0.125 | 3.05 | 0.2 | – |
7 Shrimps | 3.15 | 1.84 | 24.4 | 0.307 | 0.075 | 2.96 | 0.2 | – |
8 Crabs | 1.50 | 2.12 | 8.48 | 0.492 | 0.174 | 3.23 | 0.2 | – |
9 Herbivorous fish | 2.21 | 1.32 | 12.00 | 0.553 | 0.110 | 2.09 | 0.2 | 0.40 |
10 Zooplanktivorous fish | 1.25 | 1.28 | 7.50 | 0.779 | 0.171 | 3.14 | 0.2 | 0.25 |
11 Benthic-feeding fish | 1.21 | 1.22 | 5.89 | 0.501 | 0.207 | 3.22 | 0.2 | 0.08 |
12 Piscivorous fish | 0.41 | 0.90 | 6.00 | 0.407 | 0.150 | 3.90 | 0.2 | 0.15 |
13 Detritus | 10.00 | – | – | 0.440 | – | 1.00 | – |