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Fig. 4 | Annals of Forest Science

Fig. 4

From: Determination of optimal tree height models and calibration designs for Araucaria araucana and Nothofagus pumilio in mixed stands affected to different levels by anthropogenic disturbance in South-Central Chile

Fig. 4

Clusters of anthropogenic disturbances levels. Results refer to a k-means clustering analysis with observations represented along the first two principal components explaining ca. 33% and 20% of the observed variance in forest structure. Numbers refer to stands with varying levels of anthropogenic disturbance: none (stands 4, 5, and 6), low (stand s7, 8, and 9), medium (stands 10, 11, and 12), and high (stands 1, 2, and 3)

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Annals of Forest Science

ISSN: 1297-966X