Open Access
Table 3
Mean back calculated lengths (BCLs) in cm ± standard deviation (SD) at successive annuli (L1-L4) in males and females of P. bonelli from the River Aggia. Mean BCLs derived from the last annulus are shown in bold.
| Males | |||||
|---|---|---|---|---|---|
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| Age class | N | L1 | L2 | L3 | L4 |
| 1 + | 27 | 3.22 ± 0.37 | |||
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| 2 + | 23 | 3.11 ± 0.31 | 4.91 ± 0.47 | ||
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| 3 + | 27 | 3.13 ± 0.30 | 4.85 ± 0.38 | 6.05 ± 0.38 | |
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| 4 + | 9 | 3.05 ± 0.18 | 4.83 ± 0.21 | 6.07 ± 0.15 | 6.8 ± 0.17 |
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| Mean ± SD | 86 | 3.15 ± 0.32 | 4.87 ± 0.39 | 6.05 ± 0.34 | 6.8 ± 0.17 |
Females |
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| Age class | N | L1 | L2 | L3 | |
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| 1 + | 46 | 3.11 ± 0.32 | |||
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| 2 + | 36 | 3.24 ± 0.30 | 4.97 ± 0.36 | ||
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| 3 + | 3 | 3.28 ± 0.25 | 5.40 ± 0.12 | 6.42 ± 0.28 | |
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| Mean ± SD | 85 | 3.18 ± 0.32 | 5.00 ± 0.37 | 6.42 ± 0.28 | |
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