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(A) Rotifera SR. (B) Cladocera SR. (C) Copepoda SR. (D) Zooplankton SR. (E) Rotifera SI. (F) Cladocera SI. (G) Copepoda SI. (H) Zooplankton SI. Epilimnion of polymictic lakes (n = 36), epilimnion of dimictic lakes (n = 43), metalimnion (n = 43) and hypolimnion (n = 42). Different letters indicate significant differences (p < 0.05) in values of variables.
