Figure 1.

Isotopic niches of non-native species present in Arreo Lake and the as present assumed native T. tinca and Gyrinus sp.. Solid line = 95% Standard Ellipse Area (SEAb); dashed line = Total Hull Area (TA); blue: Gyrinus sp.; brown: Phragmites australis; pink: Procambarus clarkii; yellow: Cyprinus carpio; orange: Lepomis gibbosus; green: Tinca tinca; purple: Anguilla anguilla; red: Micropterus salmoides.