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Photographs Forest Research
Photograph courtesy of Centre for Ecology and Hydrology
Photographs courtesy of University of Florence
Each single portion of the ring(EW and LW) are subjected to stress cycles (wetting and drying).
Microscopic section of 15-18 m in thick are cut and coloured using iodine solution, according to Senft & Bensted method.
25 angles measured for each portion of annual ring.
Photograph courtesy of University of Florence
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