Parameter | 1970-1987 (1) | 1988-2004 (2) | p |
Ton/month |
|
|
|
TP | 8.9 | 5.6 | 0.0003* |
TN | 118 | 106 | 0.4354** |
Kjt | 40 | 22 | <0.0001* |
NO3 | 78 | 84 | 0.6690** |
Org.N | 35 | 20 | <0.0001* |
NH4 | 5.2 | 2.7 | <0.0001* |
ppm |
|
|
|
TP | 0.213 | 0.141 | <0.0001* |
TN | 2.7 | 2.5 | 0.0671** |
Kjt | 1.1 | 0.6 | <0.0001* |
NO3 | 1.65 | 1.95 | 0.0008* |
Org.N | 0.93 | 0.51 | <0.0001** |
NH4 | 0.133 | 0.072 | <0.0001* |
Discharge (mcm/m) | 40 | 34 | 0.0169* |