The change in the activities of solPOX (µmol⁻¹ ∙ mg _prot ⁻¹ ∙  min⁻¹) (A), and ionPOX (B) of U. vulgaris at investigated sites Necik and Sinjak of Barda?a wetland. The values are expressed as mean of three repetition ± SE. Different small letters indicate statistical significance between months within the same site (a, b, c, d, e for Necik and a₁, b₁, c₁, d₁, e₁, for Sinjak) according to LSD test (p < 0.05).