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Fig. 8 | Carbon Balance and Management

Fig. 8

From: Allometric models and aboveground biomass stocks of a West African Sudan Savannah watershed in Benin

Fig. 8

Regression coefficients of the allometric models by land use class for each of the three levels of model complexity analysed. The filled circle represents the estimate of the coefficient the triangles indicate the standard error of the estimate. For the effect plots please see the figures in the Additional file 1. The data were fitted for the generic model (all watershed) and for each land-use category (LUCa). The coefficients are provided at the link scale. The log-link was used for fitting the gamma glm. The ‘:’ operator represents the interaction between both involved variables. The sample size differed by land use category: agroforestry: 25, forest: 181, cropland: 178, settlements: 63, grassland: 90. Aboveground biomass is based on dry weight (kg tree−1). For agroforestry model type III was reduced to the same model structure as model type II—i.e. wood density had no significant effect on the estimation of above ground biomass here. See Additional file 2 for the details

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