Table 2 Relationships between sediment microbial phospholipid fatty acids (PLFAs) and sediment/vegetation properties in the wet and dry season in a mangrove chronosequence at Zhanjiang, South China as indicated by stepwise regression analyses.

From: Mangrove succession enriches the sediment microbial community in South China

Microbial group

Wet Season

Dry Season

Sediment and vegetation properties

p

r2

Sediment and vegetation properties

p

r2

Total PLFAs

+TN

0.013

0.905

 +SOM

0.004

0.955

Bacteria

+TN

0.017

0.885

 +SOM

0.007

0.939

Fungi

+TN

0.005

0.950

 +SOM

0.001

0.981

Actinomycete

 +SOM

0.003

0.960

+PH

0.015

0.897

G+bacteria

+TN

0.008

0.932

 +SOM

0.002

0.976

G−bacteria

+TN

0.023

0.862

 +SOM

0.012

0.909

G+/G−

ns

–

–

ns

–

–

Fungi/Bacteria

 +SOM

0.038

0.807

+PH

0.015

0.897

  1. “+” = Positive correlation; ns = nonsignificant correlation; TN = total sediment nitrogen; SOM = sediment organic matter; PH = plant height of mangrove. Data for sediment and vegetation properties were from Chen et al.39
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