Acidification and Nitrogen Eutrophication of Austrian Forest Soils

Table 2

Mean annual deposition rates of protons and nitrogen, mean annual changes, and significance of the changes at Austria measurement sites. The sites are irregularly distributed.

Element	Mean annual deposition [kg ha^−1 yr^−1]	Mean annual change [kg ha^−1]	Significance of change	Number of samples
H	0.134	−0.007	∗∗∗	602
N (inorganic)	8.056	−0.146	∗∗∗	603