Whether climatic alpine treeline formation is generally caused by a low-temperature-induced limitation of sink activities (i.e. direct impact on meristems and thus, growth) or by a limitation of the trees' carbon ...
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Whether climatic alpine treeline formation is generally caused by a low-temperature-induced limitation of sink activities (i.e. direct impact on meristems and thus, growth) or by a limitation of the trees' carbon source activities (net photosynthesis) still awaits detailed tests across an extended range of taxa and regions, especially for deciduous species in a short growing season. Tissue concentrations of
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