highly significantp < 0.05
The mean DBH of other trees did not clearly correspond to the estimated age of the forests (Online Resource 3A). Factors Responsible for Differences between Plots and Affecting the Abundance of the Target Lichens Hotelling’s T -squared test revealed a highly significant combined effect of the independent variables on differences between the plots with C. candelaris and those with V. hemisphaerica ( T 2 = 222.176; p < 0.05).