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Table 3 Nugget (Co), sill (C), range (m) parameters, and the coefficient of determination (R 2) of the semivariogram spherical models fitted to the C stock of the forest floor (FF) and mineral soil (MS) layers in the different plots

From: Tree species identity mediates mechanisms of top soil carbon sequestration in a Norway spruce and European beech mixed forest

Plot

Layer

Nugget

Sill

Range

C/(C + Co)

R 2

CV

European beech

FF

0.028

0.108

7.96

0.79

0.76

0.33

MS

Nugget model [C/(C + Co)] = 0

 

0.17

Norway spruce

FF

0.008

0.0469

7.56

0.85

0.94

0.23

MS

Nugget model [C/(C + Co)] = 0

 

0.20

Mixture

FF

0.021

0.094

7.84

0.82

0.84

0.38

MS

0.005

0.050

6.16

0.91

0.98

0.26

  1. The proportion of the total variance explained by the spatial autocorrelation (i.e., C/C + Co) and the coefficient of variation (CV) are indicated
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Annals of Forest Science

ISSN: 1297-966X