Variables SAR coefficient Standard coefficient Standard error t p
Mszanka stream
Intercept 1.039 - 2.402 1.432 5.450
N-NO3- -0.323 0.823 0.831 -4.010 0.332
N-NO2- 2.422 -0.632 1.314 -8.304 0.635
N-NH4+ 0.294 0.027 0.534 0.670 0.672
P-PO43- -0.432 1.203 1.367 3.971 0.023*
TSS -0.324 0.034 0.013 0.933 0.023*
Smugawka stream
Intercept 0.145 - 2.443 1.500 1.253
N-NO3- 3.307 2.195 1.923 1.438 1.389
N-NO2- -0.345 1.022 0.143 -2.033 0.911
N-NH4+ -2.924 -0.301 0.443 -8.043 0.021
P-PO43- 0.556 0.342 0.021 1.935 0.301
TSS -2.342 1.342 1.931 3.452 0.932