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siika (Coregonus albula, Coregonus artedii, Coregonus clupeaformis, Coregonus hoyi, Coregonus lavaretus, Coregonus oxyrhynchus, Coregonus pollan); pollansiika (Coregonus altior, Coregonus elegans, Coregonus pollan) | |||
siika (Coregonus altior, Coregonus elegans, Coregonus pollan) | |||
sillisiika (Coregonus clupeaformis) |
marene: 8 phrases in 2 subjects |
Fish farming pisciculture | 7 |
Natural resourses and wildlife conservation | 1 |