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Ratio between soluble sugars and total non-structural carbohydrates (TNSC) in leaves, branches and lignotuber of Arbutus unedo, Phillyrea latifolia and Quercus ilex in control (black) and drought (gray) plots. Samples were collected in late winter (lw), in late spring (ls), in summer (s) and in autumn (a) 2012. Bars represent standard errors (n = 9 individuals).
