What is it about?
I developed a simple regression-based method that allows to determine the intra-day and seasonal patterns of xylem diameter growth based on standard high-resolution measurements of tree trunk diameters using automatic dendrometers. The method does not require a complex numerical model and all parameters are determined with a known level of uncertainty.
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Why is it important?
For the first time we can investigate questions related to the times of day when tree growth takes place. I show that the widely held assumption that trees grow only during the night is likely wrong for a number of species. Growth patterns appear to vary from species to species depending on the balance between water relations, photosynthesis strength and stem sink strength.
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This page is a summary of: An empirical method that separates irreversible stem radial growth from bark water content changes in trees: theory and case studies, Plant Cell & Environment, January 2017, Wiley,
DOI: 10.1111/pce.12863.
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