Figure 18 Total number of species (upper panel) and number of alien species only (lower panel) recorded from water samples using genetic (eDNA) methods, coloured by alien assessment risk category. Doorknocker species are represented by blue shades and “D-“ preceding their risk category, while alien species are represented by yellow to red shades and an “A-“ preceding their risk category. LO=Low, PH=Potential High, HI=High, SE=Severe.
