Fig. 3
From: Assessment of forest soil contamination in Krakow surroundings in relation to the type of stand
Spatial distribution of mean soil enzyme activities (dehydrogenase (DH) activity is in μmol of triphenyl formazan (TPF) kg−1 h−1; urease (UR) activity is in mmol of NH4 +kg−1 h−1) in soil taken under: a coniferous stands and b broadleaf stands around Krakow