Table 6 Load matrix of principal components.

From: Land use changes and its driving forces in hilly ecological restoration area based on gis and rs of northern china

Driving force factors

Principal component(Y1)

Principal component(Y2)

Principal component(Y3)

Principal component(Y4)

X1*

0.849

−0.110

−0.137

0.435

X2

0.874

−0.020

0.391

−0.169

X3

0.885

−0.351

−0.026

−0.188

X4

0.980

−0.090

0.041

−0.070

X5

0.790

0.554

−0.007

−0.182

X6

0.941

−0.140

0.090

0.025

X7

0.966

−0.047

0.059

0.028

X8

−0.813

−0.014

0.523

0.197

X9

0.884

0.268

0.052

0.301

  1. *X1 annual precipitation, X2 terrain slop, X3 population density, X4 land reclamation rate, X5 per capita cultivated land area, X6 per capita forest and grass area, X7 per capita amount of stock raising, X8 per capita agricultural output value, X9 per capita grain output.
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