Variations of Chloroplast Pigments and Non-structural Carbohydrates of Sabina przewalskii along Altitude in Qilian Mountains Timberline Seasonal dynamics of carbon and nitrogen concentrations in Phellodendron amurense fine roots. Comparison of concentrations of non-structural carbohydrates between new twigs and old branches for 12 temperate species Effect of environmental stress on non-structural carbohydrates reserves and transfer in seagrasses Within-crown variation in concentrations of non-structural carbohydrates of five temperate tree species