Seasonal Fluctuation of Scrippsiella trochoidea Cyst Populations in Daya Bay, South China Sea A review of the relationship between algae and bacteria in harmful algal blooms Formation of aggregation by Phaeocystis globosa (Prymnesiophyceae) in response to high grazing pressure Studies on the toxicity of tow strains Phaeocystis globosa scherffeto to Artemia sinica Species Diversity and Eco-geographical Distribution of Dinoflagellate Cysts in the Bohai Sea, China Reversion and analysis on cyanobacteria bloom in Waihai of Lake Dianchi TAXONOMIC STUDIES ON RED TIDE CAUSATIVE ALGAE ON THE GUANGDONG COAST,SOUTH CHINA SEA