Detection of heterotrophic bacteria and vibrios in shoal of Bullacta exarata The abundance and diversity of nanoplankton in Arcitic Ocean A brief review for ecological studies on nano-plankton Distribution Pattern of Photosynthetic Picoplankton and Heterotrophic Bacteria in the Northern South China Sea Spatial distribution patterns of heterotrophic, nitrogen, and phosphate bacteria in hypoxic zone of Yangtze River Estuary. Mineralization of different dissolved organic matter containing various biogenic elements by natural bacteria in seawater