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Table: Oak density, environmental and land use variables explaining the positive/negative effect on the species richness patterns at spatial scales (28-1225m)

Best explained model highlighted in bold according to minimum AIC values

 

Radius

(m)

Oak density

Tree variables

Land use

AIC-value

         P

 

 

Sun Exposure

Density of trees & shrubs near oak

Circumference

Forest

Water

Housing

Arable Field

 

 

28

 

 

 

+

 

 

 

 

659.99

    0.07352

32

+

 

 

+

 

 

 

 

658.36

0.03129

37

+

 

 

+

 

 

 

 

658.95

0.04100

42

+

 

 

+

 

 

 

 

658.67

0.03606

49

+

 

 

+

 

 

 

 

658.86

0.03936

56

+

 

 

+

 

 

 

 

654.61

0.00558

65

+

 

 

+

 

 

 

 

653.88

0.00398

74

+

 

 

+

 

 

 

 

653.60

0.00349

86

+

 

 

+

 

 

 

 

652.09

0.00172

99

+

 

 

+

 

 

 

 

652.14

0.00175

113

+

 

 

+

 

 

 

 

651.47

0.00128

130

+

 

 

+

 

 

 

 

650.37

0.00076

150

+

 

 

+

 

 

 

 

649.35

0.00047

173

+

 

 

+

 

 

 

 

648.66

0.00034

199

+

 

 

+

 

 

 

 

647.61

0.00020

229

+

 

 

+

 

 

 

 

647.95

0.00024

263

+

 

 

+

 

 

 

 

647.12

0.00016

302

+

 

-

+

 

 

 

 

646.15

0.00010

348

+

 

-

+

 

 

 

 

646.56

0.00012

400

+

 

-

+

 

 

 

 

646.64

0.00013

460

+

 

 

+

 

 

 

 

647.49

0.00019

529

+

 

 

+

 

 

 

 

649.26

0.00045

609

+

 

 

+

 

 

 

 

649.01

0.00040

700

+

 

-

+

 

 

 

 

649.33

0.00053

805

+

 

-

+

 

 

 

 

650.52

0.00090

926

+

 

-

+

 

 

 

 

651.74

0.00157

1065

+

 

-

+

 

 

 

 

652.02

0.00178

1225

+

 

-

+

 

 

 

 

652.06

0.00181
 
   


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Last updated: 05/24/11