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Ecological Processes

Table 5 Eigenvalues and cumulative variance explained by components along with loading coefficients and correlation of variables with principal axes

From: Stand structure and species diversity regulate biomass carbon stock under major Central Himalayan forest types of India

Parameter

Component 1

Component 2

Component 3

Component 4

Eigenvalue

2.65

1.15

0.19

0.01

Cumulative variance (%)

66.35

28.79

4.66

0.21

 

Loading coefficients

Loading correlations

Variable

PC1

PC2

PC1

PC2

LTSD

0.146

0.891

0.237

0.956

MR

0.583

− 0.283

0.949

− 0.304

H′

0.582

− 0.209

0.948

− 0.225

TBD

0.548

0.287

0.893

0.307

  1. Loading coefficients of PC1 and PC2 are only represented since these components were the only significant components. Bold loading correlations indicate significant correlations
  2. PC1 principal component 1, PC2 principal component 2, LTSD large tree stem density, MR Margalef richness index, H′ Shannon-Weiner Diversity Index, TBD total biomass density
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