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Forest Ecosystems
Fig. 3 | Forest Ecosystems

Fig. 3

From: Tree species diversity impacts average radial growth of beech and oak trees in Belgium, not their long-term growth trend

Fig. 3

Boxplots of forest structure variables for beech (a) and oak (b-e) center trees. Diversity levels without common letters differ significantly at p < 0.05. SWBA: scaled Shannon diversity index, BAL: basal area of trees larger than the center tree, TotBA: total basal area of trees with DBH > 15 cm in the plot, and TotCPA: total CPA of trees with diameter DBH > 15 cm in the plot

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