Species and habitats - Sprattus sprattus - All ages - IBTS annual abundance i...
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https://b2find.eudat.eu/dataset/ced3a7db-8149-510d-826e-ad59d2b90249
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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.
生物学数据通常以丰度(abundance)表征,即数量或密度值(nbr/km²),且均需采用log10(x+1)变换进行对数转换。



