Table 5 SIMPER analysis of soil parameters against year of observation

Bare ground

0.232

0.194

1.197

10.610

23.519

0.365

Soil crusts

0.198

0.105

1.890

0.938

14.500

0.676

Moss

0.096

0.088

1.086

1.125

7.138

0.827

Lichen

0.083

0.058

1.433

0

5.357

0.957

Leaf litter

0.027

0.040

0.680

2.500

1.548

1.000

Years 2010 to 2012

contr

sd

ratio

av.a

av.b

Cumulative

Bare ground

0.283

0.227

1.243

10.610

22.938

0.485

Moss

0.138

0.146

0.948

1.125

9.583

0.722

Leaf litter

0.117

0.084

1.398

2.500

7.441

0.923

Soil crusts

0.037

0.080

0.460

0.938

1.369

0.986

Lichen

0.008

0.039

0.215

0

0.357

1.000

Years 2011 to 2012

contr

sd

ratio

av.a

av.b

Cumulative

Bare ground

0.219

0.180

1.217

23.519

22.938

0.362

Soil crusts

0.149

0.093

1.590

14.500

1.369

0.607

Moss

0.101

0.105

0.964

7.138

9.583

0.773

Leaf litter

0.077

0.052

1.476

1.548

7.441

0.900

Lichen

0.060

0.046

1.311

5.357

0.357

1.000