Figure 4From: Intra-seasonal dynamics in metabolic processes of 13C/12C and 18O/16O in components of Scots pine twigs from southern Siberia interpreted with a conceptual framework based on the Carbon Metabolism Oscillatory ModelDifferences (Δ) between δ13C values of sucrose* and δ13C of biomass from needles measured in the light and in the dark during the vegetation period 2006. *Water soluble organic fraction consisted of ≥97 % sucroseBack to article page