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Table 4 Mantel test of the relationship of whole microbial community functional structure to individual environmental variables

From: Microbial functional genes enriched in the Xiangjiang River sediments with heavy metal contamination

Environmental variable

rM

P

pH

0.1835

0.124

ORP

0.1654

0.113

S

0.6039

0.008

Cu

0.9374

0.001

Pb

0.6547

0.012

Zn

0.7414

0.016

As

0.3163

0.026

Cd

0.7656

0.005

Ni

0.2332

0.039

Hg

0.8819

0.001

Cr

0.7437

0.003

  1. Boldface values indicate significant P values (<0.01)