Length-frequency distribution of the eatable cockle, Cerastoderma edule from ...

Counts = counts/sample = #/0.16 m^2. Sampled with stirring box 40x40 cm.The eatable cockle, Cerastoderma edule was quantitatively collected at monthly intervals (appr. new moon)...计数规则：单位样本计数 = 每0.16平方米的个体数。采样采用40cm×40cm的搅拌式采样箱。针对可食用鸟蛤（Cerastoderma edule），以每月为采样间隔（大致对应新月时段）进行定量采集……