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Growth Zones in Perennial Plants
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Abies abrupt growth changes abrupt growth reductions Alps angiosperms annual anthropogenic avalanche beech branches cambial activity cambium caused chronologies climate compression wood conifers Cross-section crown transparency damage dendrochronological dendroclimatological density ﬂuctuations determined drought earlywood ecological event extreme factors ﬁr ﬁre ﬁrst ﬂood forest formation frequency frost germinated glacier grey alder growth zones haustorium impact individual trees inﬂuence injuries Jura Mountains Lake larch latewood maximum densities mean curves montane Mountains needle Neolithic northem phase phloem Picea abies Picea mariana pine Pinus Pinus sylvestris pollution precipitation radial growth react reaction reconstruct regions relationship resin result ring width roots sample scars SCHWEINGRUBER shoots slope snow soil southem spruce trees stand stem summer Switzerland temperature tion tissue tracheids tree growth tree limit tree rings tree species tree-ring sequences tree-ring widths tree’s trees growing Valais values woody plants xylem