Figure 6(a) presents the average monthly nutrient concentration in the stream at the watershed outlet during
the hydrological year, showing highly variable H2PO4
and a sharp increase for N-NH4 concentrations in
February and May (Fig. 6(b)). For the study period,
an increasing inverse relationship with discharge at
the watershed scale was found, especially for K and
N-NO3 (Fig. 6(c) and (d), respectively). The N-NH4