CCA diagrams of (A) five variables with 12 taxa, and (B) with sampling sites shown with empty circles. Abbreviations: Candona sp (Csp), Cypridopsis vidua (Cv), Heterocypris incongruens (Hi), H. reptans (Hre), H. salina (Hs), Ilyocypris bradyi (Ib), I. inermis (li), Limnocythere inopinata (Li), Potamocypris fallax (Pof), Prionocypris zenkeri (Pz), Psychrodromus fontinalis (Pf), P. olivaceus (Po), Sal (salinity), Alt (altitude), DO (dissolved oxygen), TW (water temperature).