Studies on the social structure determined with the aid of Krafts' method in pine stands
1984
Wroblewski, L. (Szkola Glowna Gospodarstwa Wiejskiego-Akademia Rolnicza, Warszawa (Poland). Katedra Produkcyjnosci Lasu)
A new characteristics of social structure of tree stands was introduced for simplifying investigations; it was named - the average Kraft's class. This characteristic expresses a mean social position of a tree stand or of a group of trees. A formula for counting the average Kraft's class for a tree stand was given. Connections of average Kraft's class with distribution of trees in social classes were discussed, and a relation of this class to tree stand age, number of trees were also discussed. The average Kraft's class may be considered as one of features indicating for a need of silvicultural measures in tree stands. Intensity of such a measure should be as greater as higher is the value of an average Kraft's class
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