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Table 4 Variances of each of CWL3/CWL1, CWL9/CWL1, and CWL27/CWL1 for closer source-sink pairs and the remaining source-sink pairs in the case of two barriers

From: On the effects of spatial resolution on effective distance measurement in digital landscapes

Cutoff distance (m)

Accuracy indicator

Variance

(< cutoff distance)

Variance

(≥ cutoff distance)

p value

50

CWL3/CWL1

0.00061

0.00053

0.315

CWL9/CWL1

0.06114

0.02004

< 0.001

CWL27/CWL1

0.06153

0.02693

< 0.001

100

CWL3/CWL1

0.00034

0.00054

0.019

CWL9/CWL1

0.01958

0.02051

0.430

CWL27/CWL1

0.02710

0.02728

0.510

200

CWL3/CWL1

0.00064

0.00050

0.011

CWL9/CWL1

0.03516

0.01680

< 0.001

CWL27/CWL1

0.03912

0.02436

< 0.001

300

CWL3/CWL1

0.00080

0.00038

< 0.001

CWL9/CWL1

0.03167

0.01402

< 0.001

CWL27/CWL1

0.03809

0.02110

< 0.001

400

CWL3/CWL1

0.00079

0.00020

< 0.001

CWL9/CWL1

0.02721

0.01191

< 0.001

CWL27/CWL1

0.03543

0.01695

< 0.001