River

Quantity of measurements

Median N₂aec-N ebullitive emission

(first quartile; third quartile)

Median dissolved N concentration

(µmol∙N∙l⁻¹)

mg∙N∙m⁻²∙d⁻¹

µmol∙N∙m⁻²∙h⁻¹

Xingu

38

0 (0; 1.50)

0 (0; 4.44)

2.79

São Marcos

37

0.54 (0; 9.73)

1.6 (0; 28.8)

8.07

Tocantins^a

23

2.92 (0; 10.8)

8.7 (0; 32.2)

40.2

Madeira

26

40.5 (15.8; 79.6)

121 (47.2; 238)

53.7

Tietê

3

355 (293; 405)

1057 (872; 1206)

1150

Pinheiros

2

934 (858; 1011)

2780 (2554; 3009)

1257