Canonical correspondence analysis scatter-plot of species and sites with the environmental variables fitted as vectors. ACR, alien cray fish presence; AFI, alien fish species richness; ALT, altitude; FOR, percentage of forest cover; IHF, fluvial habitat index; LEV, stream level; WCO, water conductivity; WDO, dissolved oxygen in water; WpH, water pH; EOR, Emys orbicularis; MLE, Mauremys leprosa; NAS, Natrix astreptophora; NMA, Natrix maura.

  Part of: Escoriza D (2018) Patterns of occurrence of semi-aquatic reptiles in highly invaded Mediterranean rivers. NeoBiota 38: 23-35.