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Forest Ecosystems
Fig. 4 | Forest Ecosystems

Fig. 4

From: Forest biodiversity, relationships to structural and functional attributes, and stability in New England forests

Fig. 4

Simpson’s index of diversity along the latitudinal gradient. a α diversity (in each latitudinal band) representing local diversity; b β diversity a ratio of regional diversity (γ diversity for each state) and local diversity (α diversity); and c the distribution of forest types that correspond to biodiversity indices. Arrows in (a) showing the transition zones of forest types

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