Matrix | P species | Before spiking (µg P L−1) | 16 h after spiking (µg P L−1) | 16h [P] | 140 h after spiking (µg P L−1) | 140 h [P] |
UHP | DIP | 105 ± 3 | 131 ± 23 | +26 | 144 ± 5 | +39 |
DOP | 67 ± 13 | 102 ± 24 | +35 | 116 ± 2 | +49 | |
Biotic river water | DIP | 128 ± 18 | 143 ± 29 | +15 | 167 ± 29 | +39 |
DOP | 52 ± 1 | 88 ± 6 | +36 | 102 ± 7 | +50 | |
Abiotic river water | DIP | 9 ± 2 | 38 ± 7 | +29 | 85 ± 4 | +76 |
DOP | 60 ± 6 | 80 ± 6 | +20 | 45 ± 8 | -15 |