Skip to main content

Table 1 Extractable quantity of FAME biomarkers representing bacteria, fungi, and protozoa (nmol/g)

From: Elevated atmospheric CO2 impact on carbon and nitrogen transformations and microbial community in replicated wetland

Biomarker

Elevated chamber

Ambient chamber

Average % larger than ambient, p value

nmol/g

S.E.

nmol/g

S.E.

Gram-positive bacteria

 iC14:0

1.07

0.05

1.21

0.05

3.26%, p = 0.045

 C16:0

11.62

3.20

10.67

2.40

 C17:0

4.99

0.10

0.43

0.20

 C18:0

3.12

1.40

5.77

1.50

 C20:0

0.51

0.01

1.23

0.30

Gram-negative bacteria

 10meC16:0

0.55

0.02

1.87

0.09

136.27%, p = 0.0001

 C16:1ω5c

8.83

2.10

4.24

1.90

 C16:1ω7c

0.81

0.30

0.99

0.30

 cycC17:0

3.18

1.90

0.70

0.90

 C18:1ω9t

7.66

1.30

6.73

1.70

Fungi

 C18:2ω6c

2.54

1.00

1.36

1.33

46.23%, p = 0.137

 C18:3ω3c

0.43

0.20

0.98

0.23

Protozoa

 C20:4ω6c

0.10

0.03

0.05

0.01

21.00%, ns