Table 5 The drivers factor of the LER contribution from 1985 to 2022 in JMMB. %.

From: Spatiotemporal evolution of landscape ecological risk and its driving factors of the Beijing–Tianjin–Hebei major mineral belt, 1985–2022

Year

X1

X2

X3

X4

Total contribution

X5

X6

X7

X8

Total contribution

1990

9.178

12.507

20.400

12.614

54.699

19.767

2.472

16.914

6.149

45.301

1995

14.105

10.409

18.495

10.059

53.067

20.256

2.641

14.907

9.129

46.933

2000

13.814

11.139

18.375

9.630

52.959

20.407

2.104

15.027

9.503

47.041

2005

12.110

12.179

20.956

11.726

56.970

18.962

3.795

15.190

5.083

43.030

2010

12.042

13.361

18.923

12.318

56.643

20.393

2.594

16.340

4.030

43.357

2015

10.791

13.123

19.625

11.382

54.921

18.755

0.628

17.743

7.953

45.079

2020

10.458

12.191

19.135

11.468

53.251

20.943

1.629

18.025

6.152

46.749

2022

13.875

10.771

16.051

10.967

51.663

18.088

2.291

15.364

12.594

48.337