Samples

H₂

CO₂

CO

Methane

Ethane + Ethene

Propane + Propene

Total C4

Duckweed

0.7

71.4

21.7

3.3

1.5

0.9

0.5

Elodea

0.1

85.8

11.1

1.2

0.7

0.5

0.6

Water clover

0.6

62.1

25.1

4.8

2.7

2.5

2.3