The variability of bioelectrical trees' potential as a possible indicator of the influence of endogenous and exogenous growth factors in beech forest stands
1993
Ferlin, F. (Biotechnical Faculty, Ljubljana (Slovenia). Forestry Dept.)
The variability of the bioelectrical potential of trees in even-aged beech stands within trees and stands (by social classes and developmental phases) and in micro-site has been researched. The influences of endogenous (natural selection and tending measures) and exogenous - stress factors (air pollution, extreme drought) on the bioelectrical potential have been analyzed. It has been proven by the results that bioelectrical measurements are a highly sensitive indicator of the past growth (vitality) of trees as the consequence of a long lasting influence of endogenous factors and a much worse indicator of the present growth (health condition) as the consequence of transitory and momentary endogenous or exogenous stresses
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