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Fig. 4 | Annals of Forest Science

Fig. 4

From: Biodiversity-ecosystem functioning relationships of overstorey versus understorey trees in an old-growth temperate forest

Fig. 4

Structural equations for linking the aboveground biomass and biodiversity in the overstorey a and the understorey b. a—ele is elevation; BA is basal area; pd. is phylogenetic diversity; sr is species richness; FRic is functional richness; AWB is aboveground woody biomass; ABP is aboveground biomass production. b—sr.O is species richness of the overstorey; BA.U is basal area of the understorey; sr.U is species richness of the understorey; pd.U is phylogenetic diversity of the understorey; ele is elevation; FRic.U is functional trait richness of understorey; AWB.O is aboveground woody biomass of the overstorey; ABP.U is aboveground biomass increment of understorey: AWB.U is aboveground woody biomass of understorey. The dashed lines represent insignificant relationships (p > 0.05). The solid line from fine to coarse represents the significance of different relationships (p < 0.05, p < 0.01, p < 0.001). The correlation coefficients are shown above the corresponding lines

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Annals of Forest Science

ISSN: 1297-966X