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krebs (Astacus astacus, astacus fluviatilis, Astacus spp., Cambarus spp., Cherax destructor, Cherax tenuimanus, Euastacus armatus); flodkrebs (Astacus astacus, astacus fluviatilis, Astacus spp., Cambarus spp., Cherax destructor, Cherax tenuimanus, Euastacus armatus); flodkrebs (Astacus spp., Cambarus spp.); flodkrebsarter (Astacus spp., Austropotamobius spp.); flodkrebsslægt (Astacus spp., Austropotamobius spp.) | |||
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flodkrebs-slægt (Astacus spp., Austropotamobius spp.); flodkrebs-slægter (Cambarus spp.); amerikansk flodkrebs-slægt (Cambarus) | |||
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krebs (Astacus astacus(Linnaeus,1758)); almindelig krebs (Astacus astacus(Linnaeus,1758)); flodkrebs (Astacus astacus(Linnaeus,1758)) |
Flusskrebs: 8 phrases in 4 subjects |
Fish farming pisciculture | 2 |
Ichthyology | 1 |
Natural resourses and wildlife conservation | 3 |
Natural sciences | 2 |