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Table 3 Results of forward selection procedure in the db-RDA analysis in both wet and dry seasons

From: Environmental filtering and spatial processes equally contributed to macroinvertebrate metacommunity dynamics in the highly urbanized river networks in Shenzhen, South China

  Variable Adj R2 Pseudo-F P   Variable Adj R2 Pseudo-F P
Wet season Environmental Dry season Environmental
TN 0.115 8.939 0.001 PI 0.119 9.218 0.001
%Sand and silt 0.150 3.440 0.001 WD 0.136 2.208 0.010
WD 0.172 2.569 0.001 DO 0.150 1.932 0.016
pH 0.182 1.712 0.041 CODCr 0.160 1.708 0.035
WT 0.191 1.674 0.039 TP 0.171 1.772 0.024
Spatial     Spatial    
PCNM1 0.100 7.760 0.001 PCNM1 0.069 5.510 0.001
PCNM2 0.137 3.561 0.001 PCNM5 0.105 3.453 0.001
PCNM4 0.169 3.295 0.001 PCNM2 0.126 2.412 0.004
PCNM5 0.198 3.073 0.001 PCNM8 0.147 2.409 0.005
     PCNM4 0.164 2.197 0.006
     PCNM28 0.179 1.958 0.013