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Figure 9
Age and sex distribution of females (F), males (M), and all G_ turcica specimens_
| Age | F | M | Σ | F:M | |||
|---|---|---|---|---|---|---|---|
| N | %N | N | %N | N | %N | ||
| 0 | 24 | 4.8 | 221 | 43.8 | 245 | 48.5 | 0.11:1.00 |
| 1 | 49 | 9.7 | 134 | 26.5 | 183 | 36.2 | 0.36:1.00 |
| 2 | 37 | 7.4 | 22 | 22.3 | 59 | 11.7 | 1.68:1.00 |
| 3 | 8 | 1.6 | 2 | 0.4 | 10 | 2.0 | 4.00:1.00 |
| 4 | 2 | 0.4 | 2 | 0.4 | 4 | 0.8 | 1.00:1.00 |
| 5 | 3 | 0.4 | 1 | 0.2 | 4 | 0.8 | 3.00:1.00 |
| Σ | 123 | 24.4 | 382 | 75.6 | 505 | 100 | 0.32:1.00 |
Measured average TL and calculated average TL values by age groups in VBGF of G_ turcica_
| Age (year) | Observed Average Total Length (cm) | Expected Average Total Length (cm) | t-test |
|---|---|---|---|
| 0 | 3.93 | 3.93 | p>0.05 |
| 1 | 6.62 | 6.66 | p>0.05 |
| 2 | 9.42 | 9.45 | p>0.05 |
| 3 | 11.75 | 11.73 | p>0.05 |
| 4 | 12.46 | 12.47 | p>0.05 |
| 5 | 13.46 | 13.45 | p>0.05 |
| Parameter | Estimate | 95% Confidence Interval | |
| L∞ | 16.45 | 13.32-19.59 | |
| k | 0.297 | 0.157- (-0.437) | |
| to | -0.873 | (-1.255) - (-0.490) | |
| Phi’Φ | 1.9 | 1.5-2.1 | |
Comparison of growth and reproductive parameters of G_ turcica reported in different studies in Türkiye_
| Locality | Ref. | a | b | R2 | L∞ | k | t0 | Φ | Cf |
|---|---|---|---|---|---|---|---|---|---|
| Ilıca Stream | This study | 0.1436 | 1.756 | 0.768 | 16.45 | 0.297 | -0.87 | 1.90 | 1.68 |
| Aksu Stream (Ceyhan River) | 1 | 0.0145 | 2.917 | 0.975 | 21.77 | 0.310 | -0.86 | 2.17 | 1.23 |
| Seyhan Reservoir (Seyhan River) | 2 | 0.0860 | 3.202 | 0.994 | - | - | - | - | - |