Matrix

P species

Before SPM addition (µg P L⁻¹)

5 h after SPM addition (µg P L⁻¹)

[P]

72 h after SPM addition (µg P L⁻¹)

[P]

UHP

DIP

1

34 ± 2

+33

104 ± 1

+103

DOP

1

21 ± 1

+20

57 ± 7

+56

Biotic river water

DIP

49

19 ± 1

-30

42 ± 6

-7

DOP

22

25 ± 3

+3

80 ± 5

+58

Abiotic river water

DIP

45

36 ± 4

-9

12 ± 2

-33

DOP

10

65 ± 10

+55

67 ± 11

+57