Fig. 8From: Human fascioliasis endemic areas in Argentina: multigene characterisation of the lymnaeid vectors and climatic-environmental assessment of the transmission patternPrincipal components analysis (PCA) plot based on shell measurement datasets of Lymnaea neotropica and L. viator (variables ln-transformed). The samples are projected onto the first (PCI) and second (PCII) principal components explaining 65 and 18 % of the variation, respectivelyBack to article page