Detecting changes in tree health and productivity in silver fir-beech forests of Slovenia
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European Journal of Forest Pathology. 29: 189-197.
Cambial electrical resistance (CER) was used as an objective measure of vitality of silver fir (Abies alba) in the forests of Slovenia. Trees were rated during the growing season by CER and a subjective crown status index (CSI). Both CER and CSI were inversely correlated to annual ring width increment. Using both CER and CSI, fir were assigned to vitality and vigour categories.
Torelli, N.; Shortle, W.C.; Cufar, K.; Ferlin, F.; Smith, K.T. 1999. Detecting changes in tree health and productivity in silver fir-beech forests of Slovenia. European Journal of Forest Pathology. 29: 189-197. https://doi.org/10.1046/j.1439-0329.1999.00138.x.