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Table III
Loading factors and eigenvalues for the first two axes resulting from a Principal Component Analysis performed on canopy structural variables measured in the selected A. pinsapo stands.
| PC 1 | PC 2 | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Loading factor for variable: | |||||||||
| CV of density along diameter classes | 0.81 | –0.42 | |||||||
| Number of diameter classes | 0.91 | 0.36 | |||||||
| Percentage of gaps | 0.59 | –0.69 | |||||||
| Total basal area | 0.77 | 0.48 | |||||||
| Density of live trees > 4m high | –0.62 | 0.54 | |||||||
| Diameter range of live trees > 4m high | 0.47 | 0.85 | |||||||
| Importance values of seedlings | 0.59 | –0.03 | |||||||
| Eigenvalues | 3.39 | 2.03 | |||||||
| Explained variance (cumulative %) | 48.4 | 77.4 | |||||||