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Long term changes in sex ratio and reproductive effort in the Baltic herring (Clupea harengus membras) in the south-western archipelago of Finland
(Turun yliopisto, 2017-11-01)
Baltic herring (Clupea harengus membras) is a pelagic fish species that belongs to the pelagic food webs as a predator and as a prey. Herring is a key species in Baltic Sea ecosystem and a valuable fish for the fish industry ...