Species and habitats - Raja clavata - Female - Mature - CGFS annual abundance...

Biologic data have been expressed in abundance (numbers or density values (nbr/km²)) and always required to be log-transformed using a log10(x+1) transformation.

生物数据（Biologic data）已被广泛以丰度形式表征（即数值或密度值，单位为个/平方千米），且均需采用log10(x+1)变换进行对数转换。