For the Smugawka stream, dominated by grasslands,
N-NH4+ ranged from 0.04–0.96
mg·dm-3 (Table 1). For the Mszanka stream,
P-PO43- ranged from 0.09–0.34
mg·dm-3 (Table 2). SAR demonstrated a correlation
between P-PO43- concentrations and
arable land in the Smugawka stream (Table 4) and permanent grasslands in
the Mszanka stream (Table 5).