Species and habitats - Trisopterus luscus - All ages - IBTS 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.

生物数据已以丰度形式进行表征（即数量或密度值，单位为nbr/km²），且始终需采用log10(x+1)变换进行对数转换。