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