Table 3 Relationship between the generalized Hurst exponent (Hq) and the generalized fractal dimension (Dq).

From: Fractal features of soil particle size distributions and their potential as an indicator of Robinia pseudoacacia invasion1

Plantation

Regression equation

R 2

P value

Robinia pseudoacacia

Dq = 0.9736Hq − 0.0084

0.974

0.03557

Pinus densiflora

Dq = 0.9442Hq + 0.0336

0.9649

0.03119

Quercus acutissima

Dq = 0.9768Hq + 0.0154

0.9768

0.02954

Larix kaempferi

Dq = 0.9753Hq − 0.0041

0.9803

0.02761

Total

Dq = 0.9643Hq − 0.0084

0.9739

0.03071

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