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Table 2

Moran's I and Z values of total phytoplankton biomass and its four main components in all river systems.

Total biomass Cyanobacteria Bacillariophyta Euglenophyta Chlorophyta





I Z I Z I Z I Z I Z
TG Spring 0.26 1.06 −0.01 0.28 0.14 0.71 −0.38 −0.90 0.42 1.90
Summer 0.22 1.00 0.09 0.57 0.25 1.01 −0.01 0.61 0.05 0.61
Autumn −0.07 0.16 −0.07 0.30 0.35 1.96* −0.05 0.27 −0.03 0.43
Winter −0.15 −0.22 −0.07 0.42 −0.08 0.09 −0.36 −0.85 0.15 0.74

NH Spring 0.33 1.11 −0.51 −0.87 0.35 1.11 −0.24 −0.19 0.20 0.74
Summer −0.26 −0.49 −0.17 −0.58 −0.25 −0.25 −0.31 −0.48 −0.70 −1.26
Autumn −0.14 0.09 −0.27 −0.24 0.55 1.45 −0.24 −0.24 −0.19 −0.14
Winter 0.44 1.65 −0.92 −1.76 0.30 1.25 0.04 0.58 −0.15 0.04

TX Spring 0.12 1.06 0.14 1.38 0.09 0.96 −0.04 0.22 −0.30 −1.85
Summer −0.13 −0.57 0.09 0.94 −0.26 −1.19 −0.33 −1.50 −0.04 0.34
Autumn −0.13 −0.31 −0.15 −0.86 0.03 0.96 −0.19 −1.09 −0.10 −0.30
Winter 0.00 0.42 0.01 0.54 −0.10 −0.17 −0.17 −0.56 −0.03 0.38

YJ Spring 0.15 2.08* 0.02 0.68 0.09 1.31 0.16 2.22* −0.06 −0.08
Summer −0.01 0.31 −0.02 0.23 −0.11 −0.53 0.02 0.70 −0.17 −1.00
Autumn 0.14 1.75 −0.02 0.46 0.18 1.83 −0.01 0.33 0.20 2.21*
Winter −0.09 −0.38 0.58 6.09** −0.07 −0.15 −0.17 −1.25 −0.12 −0.80

HP Spring 0.14 0.95 0.37 2.88** 0.35 2.12* −0.03 0.08 −0.06 −0.14
Summer −0.08 −0.26 −0.04 −0.03 −0.02 0.08 −0.19 −0.91 −0.22 −1.07
Autumn 0.33 2.06* −0.01 0.17 0.06 0.57 0.15 1.17 0.40 2.61*
Winter 0.38 2.61** 0.41 3.01** 0.10 0.86 0.51 3.09** 0.01 0.29

HY Spring 0.60 2.11* −0.08 −0.03 −0.22 −0.45 −0.03 0.08 0.24 1.29
Summer −0.19 −0.43 −0.12 −0.31 −0.32 −1.67 0.40 1.68 −0.08 −0.02
Autumn 0.72 2.40* 0.01 0.28 0.30 1.09 0.57 2.13* 0.19 1.22
Winter −0.12 −0.21 −0.38 −0.97 −0.28 −0.08 0.39 1.84 −0.24 −0.46

*P < 0.05.

**P < 0.01.