Modelarea distribuţiei pe categorii de diametre a numărului de arbori vătămaţi de cervide din arborete de molid [Modelling the deer damage trees distribution on the diameter classes within the spruce stands]
2002
Vlad R
The paper presents the result of the research carried out in even-aged spruce stands, regarding to the deer damaged tree distribution on the diameter classes. The main studied topics were: correlation between the frequency of the deer damages and the Charlier distribution; regression equations witch represent relation between the Charlier distribution parameters (standard deviation, asymmetry, kurtosis) and the frequency of the deer damages; structural models of the deer damaged tree distribution on the diameter classes correlated with the frequency of the deer damages; validation of the theoretical model. Using an original method, it was possible to establish a model predicting the deer damaged tree distribution on the diameter classes, based on the relationship between frequency of the deer damages and stand age in spruce forests. This research brought up some unknown aspects that can be considered as new contributions concerning scientific basis for the sustainable forest management in mountains ecosystems affected by disturbances factors.
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