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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)