Table 3 Principal components and component loadings extracted from the variables.

From: Soil aggregate mediates the impacts of land uses on organic carbon, total nitrogen, and microbial activity in a Karst ecosystem

Variables

Principal components (PCs)

1

2

Large macro-aggregate

−0.954

0.126

Small macro-aggregate

0.934

−0.054

Micro-aggregate

0.894

−0.232

SOC

−0.213

0.945

TN

−0.194

0.948

MBC

0.295

0.922

Cmic: Corg ratio

0.736

0.187

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