Open Access
Table 1
Physical, chemical and habitat parameters, nutrient load, Evrotas chub CPUE values and fork length values (mean ± StD) at the two sampling sites.
| Giakoum | Monas | |
|---|---|---|
| Habitat/physical/chemical | ||
| Flow regime | Perennial | Intermittent |
| Flow velocity (mean, m/s) | 0.60 | 0.17 |
| Depth (mean, m) | 0.13 | 0.29 |
| Width (mean, m) | 5 | 7 |
| Substrate (%) > 63 mm | 5 | 20 |
| Shadedness (%) | 10 | 5 |
| Conductivity (µS cm−1) | 514 | 438 |
| Diss. Oxygen (mg L−1) | 10.21 | 10.54 |
| pH | 7.97 | 8.12 |
| T of water (°C) | 13.5 | 13.2 |
| Dominant habitat type (%) | Glide 80% | Glide 80% |
| Nutrients | ||
| Nitrates (mg L−1N–NO3−) | 0.79 | 0.58 |
| Nitrites (mg L−1N–NO2−) | 0.001 | 0.002 |
| Ammonium (mg/l N–NH4+) | 0.007 | 0.043 |
| Phosphates (mg L−1P–PO43−) | 0.002 | 0.008 |
| Total dissolved Nitrogen (mg L−1N) | 0.80 | 0.63 |
| Total dissolved Phosphorous (mg L−1P) | 0.003 | 0.027 |
| Fish | ||
| Fished area (m2) | 212.2 | 189 |
| CPUE (ind/m2) | ||
| Total sample | 0.75 | 0.40 |
| S. keadicus | 0.17 | 0.26 |
| S. keadicus juveniles | 0.08 | 0.13 |
| S. keadicus adults | 0.08 | 0.08 |
| S. keadicus fork length (cm) | 9.53 (2.00) | 8.00 (2.63) |
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