Abstract:Species composition and community structure of zooplankton in the Bohai Sea were studied with samples taken with medium plankton net in 1959.The results revealed that zooplankton in this area was dominated by temperate neritic speicies,including Paracalanus parvus,Acartia bifilosa,Paracalanus crassirostris,Oithona similis,Corycaeus affinis,Labidocera enchaeta and Sagitta crassa .The dominant species also included Centropages mcmurrichi,Calanus sinicus and Acartia pacifica, but their geographic...