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Table 4
Example of length-weight relationships obtained from the ASPE data (total length in cm, weight in g) under a power equation form. Equation parameters (a, b), adjusted r-squared (Adj. r2) and number of individuals measured and weighted (Nb indiv.) are given for each species.
| Species | a | b | Adj. r2 | Nb indiv. |
|---|---|---|---|---|
| Salmo trutta | 0.011 | 2.985 | 0.984 | 407,381 |
| Leuciscus cephalus | 0.009 | 3.069 | 0.987 | 160,288 |
| Rutilus rutilus | 0.007 | 3.161 | 0.972 | 82,330 |
| Barbus barbus | 0.012 | 2.908 | 0.989 | 48,240 |
| Gobio gobio | 0.014 | 2.890 | 0.886 | 42,167 |
| Perca fluviatilis | 0.010 | 3.067 | 0.973 | 27,599 |
| Leuciscus leuciscus | 0.009 | 3.048 | 0.974 | 20,920 |
| Telestes souffia | 0.014 | 2.869 | 0.921 | 20,614 |
| Cottus gobio | 0.046 | 2.476 | 0.824 | 19,956 |
| Chondrostoma nasus | 0.007 | 3.074 | 0.987 | 15,615 |
| Barbus meridionalis | 0.014 | 2.943 | 0.968 | 12,840 |
| Lepomis gibbosus | 0.016 | 3.113 | 0.924 | 11,820 |
| Alburnus alburnus | 0.029 | 2.462 | 0.800 | 9,706 |
| Esox lucius | 0.007 | 2.987 | 0.987 | 9,535 |
| Parachondrostoma toxostoma | 0.010 | 2.971 | 0.953 | 7,144 |
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