Length-frequency distribution of the eatable cockle, Cerastoderma edule from ...
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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:单样本计数等价于每0.16平方米的个体数量。采样采用40cm×40cm的搅拌式采样箱。可食用鸟蛤(Cerastoderma edule)按月度间隔(约新月时段)完成定量采集……



