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Table 2
The proportion of mature anadromous whitefish (%; Coregonus lavaretus) in different sea age groups amongmales (M) and females (F) in the northern and southern Gulf of Bothnia in 1998–2014.
| Area | Immature | Mature | Proportion (%) of mature whitefish in age groups | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
|
|
||||||||||
| Sex | n | n | 2 | 3 | 4 | 5 | 6 | 7 | 8–12 | |
| North (M) | 241 | 3156 | 40.0 | 75.6 | 94.1 | 94.4 | 92.4 | 93.6 | 94.6 | |
| North (F) | 319 | 1788 | 0 | 20.6 | 76.1 | 87.7 | 89.1 | 94.7 | 97.1 | |
| South (M) | 2041 | 3351 | 28.0 | 49.2 | 62.8 | 67.6 | 67.4 | 73.3 | 92.3 | |
| South (F) | 1969 | 2670 | 28.2 | 41.2 | 45.4 | 69.1 | 82.2 | 90.5 | 96.3 | |
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