Diet of invasive pikeperch Sander lucioperca: developing non-destructive tissue sampling for stable isotope analysis with comparisons to stomach contents analysis | Knowledge and Management of Aquatic Ecosystems

Open Access

Fig. 2

Linear relationships of (a) δ¹³C and (b) δ¹⁵N dorsal muscle versus epidermal mucus (‘mucus’), fin and scale, where the dotted line represents the relationship with length included in the model and the dashed line represents the relationship with length excluded.

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