DAPHNIIDAE (ZOOLOGIE); HYBRIDE + HYBRIDISIERUNG (GENETIK); ARTENVIELFALT + BIODIVERSITÄT (BIOLOGIE); KOEXISTENZ (TIERÖKOLOGIE); POPULATIONSSTRUKTUR (TIERÖKOLOGIE); DAPHNIIDAE (ZOOLOGY); HYBRIDS + HYBRIDIZATION (GENETICS); SPECIES DIVERSITY + BIODIVERSITY (BIOLOGY); COEXISTENCE (ANIMAL ECOLOGY); POPULATION STRUCTURE (ANIMAL ECOLOGY)