Table 2.

Three-way ANOVA of weights of ions washed from the surfaces of leaves at a polluted (Withdean Park) and background site (Sussex field site).

VariableSignificance
Site**
Species***
Ion***
Site × species***
Site × ion***
Species × ion***
Species × tree × ion***
  • ** P ≤ 0.01;

  • *** P ≤ 0.001.