Fig. 4

Observed (points) total non-woody above-ground biomass (dry matter, g·m^− 2) on subplots and linear regression model fit (cf. Table 6) for data from 255 subplots without shrub occurrence (N = 187) as well as subplots with measured woody and non-woody shrub biomass (n = 68) but excluding the woody parts. Shaded areas indicate the respective 95% confidence intervals. Fig. S9–1 presents the data for total above ground biomass including woody parts of shrubs