The dominant bacterial colonies in clams fluctuated seasonally, which were Vibrio and Aeromonas in summer and Moraxella in winter.

• 贝体内细菌优势菌属具有明显的季节性变化,在夏季(2001年7月31日),以弧菌属和气单胞菌属占优势,而在冬季则以莫拉氏菌属占优势。