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Table 7 GLM containing land cover classes as explanatory variables that influence road-kill numbers of grass snakes

From: Amphibian and reptile road-kills on tertiary roads in relation to landscape structure: using a citizen science approach with open-access land cover data

CLC code

Land cover class

VIF

Estimate

Std. error

z value

P(>|z|)

Intercept

  

−8.82E-01

2.82E-01

−3.129

0.002

411

Inland marshes

1.243

5.95E-05

1.22E-05

4.894

9.90E-07

142

Sport and leisure facilities

1.142

2.42E-05

1.03E-05

2.35

0.019

242

Complex cultivation patterns

1.579

5.81E-06

2.57E-06

2.262

0.024

243

Land principally occupied by agriculture, with significant areas of natural vegetation

1.483

−1.31E-05

6.32E-06

−2.08

0.038

112

Discontinuous urban fabric

1.277

−3.08E-06

1.49E-06

−2.067

0.039

221

Vineyards

1.447

−1.21E-06

1.08E-06

−1.118

0.264

312

Coniferous forest

1.099

−5.08E-06

5.79E-06

−0.878

0.38

231

Pastures

1.189

1.28E-06

3.68E-06

0.347

0.729

311

Broad-leaved forest

1.154

1.83E-07

4.09E-06

0.045

0.964

313

Mixed forest

1.113

2.40E-07

5.78E-06

0.042

0.967

111

Continuous urban fabric

1

−2.81E-03

2.24E-01

−0.013

0.989

324

Transitional woodland shrub

1

−1.66E-03

8.79E-01

−0.002

0.999

121

Industrial or commercial units

1

−2.71E-04

1.56E-01

−0.002

0.999

  1. Land cover classes in descending order of P(>|z|)