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Figure 2
The seasonal course of the monthly carbon balance of a 95-year-old Pinus cembra (N) and a 65-year-old Larix decidua (Λ) tree. Measurements were made at Mt. Patscherkofel (Klimahaus) Austria 1950 m a.s.l. (Modified after data from Wieser et al., 2005 and Havranek and Matyssek, 2005).