Fig. 4. Score plots of principal component analysis of fatty acid composition of four gastropods across all collected sites during the study period. (A) Chinese mystery snail: Cipangopaludina chinensis malleata, (B) melanian snail: Semisulcospira gottschei, (C) European ear snail: Radix auricularia, and (D) golden apple snail: Pomacea canaliculata. The symbols indicate sampling sites and periods.
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