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Fig. 5 | Annals of Forest Science

Fig. 5

From: Carbon stocks, partitioning, and wood composition in short-rotation forestry system under reduced planting spacing

Fig. 5

PCA with biplot showing forest species properties grown under four planting spacings (previously identified). The variables fixed carbon (FC), volatile material (VM), ash content (Ash), and calorific value (CV) are indicated by arrows, while the four tree portions W (wood), BA (bark), BR (branch), and L (leaf) and four planting spacings are indicated as points 1 (2.0 × 1.0 m), 2 (2.0 × 1.5 m), 3 (3.0 × 1.0 m), and 4 (3.0 × 1.5 m)

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Annals of Forest Science

ISSN: 1297-966X