Tianjin Key Laboratory of Marine Resources and Chemistry;
Tianjin University of Science and Technology;
Tianjin 300457;
China;
Research Centre for Indian Ocean Ecosystem;
Tianjin University of Science and Technology;
Tianjin 300457;
China;
State Key Laboratory of Tropical Oceanography;
South China Sea Institute of Oceanology;
Chinese Academy of Sciences;
Guangzhou 510301;
China;
dilution technique; phytoplankton growth; microzooplankton grazing; South China Sea; spring intermonsoon season;