Variable | Nutrient zone | ANOVA | |||
---|---|---|---|---|---|
Reference | Transition | Impacted | F | P | |
TP (μg L−1) | 6.3 ± 1.5 | 13.7 ± 1.1 | 46.2 ± 22.3 | 7.23 | 0.013 |
TN (mg L−1) | 1.5 ± 0.5 | 1.6 ± 0.2 | 2.3 ± 0.5 | 3.47 | 0.076 |
SRP (μg L−1) | 1.3 ± 0.6 | 4.7 ± 0.6 | 17.5 ± 13.4 | 7.94 | 0.004 |
DIN (μg L−1) | 0.12 ± 0.14 | 0.19 ± 0.20 | 0.30 ± 0.20 | 2.89 | 0.264 |
TN:TP (molar ratio) | 562 ± 350 | 259 ± 34 | 126 ± 48 | 9.34 | ≤ 0.001 |
pH (SU) | 7.0 ± 0.6 | 7.1 ± 0.1 | 7.3 ± 0.1 | 0.77 | 0.49 |
Sulfate (mg L−1) | 20.1 ± 32.0 | 16.3 ± 11.9 | 47.6 ± 13.4 | 3.63 | 0.07 |