Topic
Biology
Fisheries
7
recruitment
4
Gadus morhua
3
Baltic Sea
2
spawning areas
2
stock development
2
Arcona Sea
1
cod
1
fecundity
1
hydrographic conditions
1
hydrographic effects
1
maturity
1
maturity distribution
1
reproduction
1
seasonal variations
1
spawner activity
1
spawning activity
1
spawning aereas
1
spawning grounds
1
spawning stocks
1
stock distribution
1