Table 4 Eigenvectors of the environmental variables obtained from the PCAs
From: Alternative approaches to assessing the natural regeneration of Scots pine in a Mediterranean forest
Group of variables | Variables | Component 1 | Component 2 |
|---|---|---|---|
Edaphic variables | pH | −0.10 | 0.95 |
Electric conductivity | −0.04 | 0.94 | |
Sand (%) | 0.11 | 0.03 | |
Silt (%) | 0.18 | −0.04 | |
Clay (%) | 0.01 | 0.00 | |
Organic matter | 0.02 | −0.01 | |
K | 0.10 | 0.02 | |
P | −0.14 | −0.11 | |
Mg | 0.85 | −0.17 | |
Ca | 0.96 | −0.03 | |
Na | 0.34 | 0.17 | |
Stoniness (%) | −0.02 | −0.14 | |
Light and competition variables | GSF | −0.40 | 0.36 |
IPOT | 0.40 | −0.36 | |
INF | 0.24 | −0.10 | |
Number of trees | 0.89 | −0.11 | |
Number of stumps | −0.11 | 0.95 |