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Table1 The total, direct and indirect standardized effects on above- and belowground biomass from the structural equation model

From: Drought of early time in growing season decreases community aboveground biomass, but increases belowground biomass in a desert steppe

Predictor

Pathways

Effect

Aboveground biomass

 Experimental drought

Direct

− 0.40

Indirect

− 0.24

Total

− 0.64

 Precipitation

Direct

0.25

Indirect

0.08

Total

0.33

 Height

Direct

0.20

Indirect

NS

Total

0.20

 Species richness

Direct

0.28

Indirect

NS

Total

0.28

Belowground biomass

 Soil nitrogen content

Direct

− 0.32

Indirect

NS

Total

− 0.32

 Precipitation

Direct

− 0.71

Indirect

0.03

Total

− 0.67

 Height

Direct

0.09

Indirect

NS

Total

0.09

  1. NS non-significant relationships