Species and habitats - Ascidiacea - Multi-annual Abundance in October - CGFS...

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（即数量或密度值，单位：个/平方千米）的形式表征，且均需采用log10(x+1)变换进行对数转换。