Fig. 1.

Canonical variate analysis: diagrams with axes 1 and 2 for 15 chemical soil parameters (MO, C org, C/N, pH-H₂O, pH-1 M KCl, CaCO₃, EC_e, Ca²⁺, K⁺, Na⁺, Fe²⁺, HCO₃ ⁻, Cl⁻, SO₄ ²⁻, P_ca) of three tree species (S. alba, S. caprea, B. pendula) at a saline site during two seasons (autumn 2012 and spring 2013). *p ≤ 0.05, significant factors