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a Dynamics of xylem growth (including enlarging, wall thickening and mature xylem cells) within the treeline ecotone modelled by applying the Gompertz function and phenological events in 2007 (TB = timberline, TR = treeline, KH = krummholz site). b Daily xylem growth rates calculated on basis of modelled growth during 2006 and 2007. Symbols as in Fig. 2.
