Dr. Éva Murai szerk.: Miscellanea Zoologica Hungarica 4. 1987 (Budapest, 1987)

Kiss, I.: Ecological studies on zooplankton species important for fish farms. II. Interspecific relations between zooplankton species

Fig. 2 Change in density of the various species in the Daphnia magna breed. Guide to symbols: I

—I _ = The introduction of the basic Daphnia population, w= Moina presence