Table 2 Regression results of the three-level null model.

From: Grassland ecosystem responses to climate change and human activities within the Three-River Headwaters region of China

 

Coefficient

Standard error

[95% CI]

Fixed parts

Intercept

5.361***

0.215

4.939

5.783

Random parts

County level

τ00, County_ID

0.905

0.157

0.644

1.272

Small watershed level

τ00, Watershed_ID

0.977

0.016

0.946

1.009

σ2

0.550

0.004

0.542

0.557

  1. Notes: (1) ***, ** and * denote 1%, 5%, and 10% significance levels, respectively; (2) LR test versus MLM: Chi-squared = 19,268.30, P > Chi-squared = 0.000.
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