Abundance was highest in autumn and summer and lowest in winter . There was significant difference among seasons ( One-Way ANOVA p0.01 ) . Seasonal variation of abundance of Turbellaria and Tardigrada was the same as total meiofauna abundance .

小型底栖生物总丰度在季节之间差异显著（One-wayAnova，p0.01）. 涡虫、缓步动物丰度的季节变化规律与小型底栖动物总丰度相同， 水螅、 轮虫 的 丰度也是秋季最高。