Experimental assessment of the influence of certain aspects of baltic herring spawning on the model species of cladocerans
... containers and compared with the control. In the second series of experiments, daphnids were acclimated to brackish water (up to 3 PSU), after which they were used in the control and experimental groups to assess the effect of water collected from Baltic herring spawning grounds in the lagoon area. In media containing Baltic herring gametes, the fecundity of daphnids was significantly lower than the control values. The growth of daphnids was stimulated by the addition of female gonads (average molting frequency ...
