From January to December 2018, nano-and microphytoplankton collection and environmental factors of 34 stations in Sanmen Bay. In total 109 genera and 261 species of nanoand microphytoplankton were identified in the seawater area of Sanmen Bay. Among them, 73 genera and 207 species were Bacillariophyta accounting for 79.3% in total species number; 18 genera and 35 species were Pyrrophyta and 13.4%; the remained 18 genera and 17 species were accounting for 7.3%. Among the 261 species of nano-and

more »

... icro-phytoplankton, the dominant species of the community structure were Skeleconema