Species and habitats - Clupea harengus - Mature - IBTS annual abundance in su...

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.

生物数据通常以丰度形式进行表征，具体为个体数量或密度值（单位：nbr/km²），且均需采用log10(x+1)变换完成对数转换。