Abstract

Ecologically and economically it is important to understand how many tree stems are in each diameter class. The purpose of this study was to filarch forest ( Larix sibirica) diameter distribution model among Weibull, Burr and Johnson SB distributions. Inventory was conducted near Gachuurt village, Ulaanbaatar, Mongolia. The goodness of fi t test were accompanied with KolmogorovSmirnov, Anderson-Darling and Chi-Squared tests for distribution models. Study result shows Johnson SB distribution gave the best performance in terms of quality of fithe diameter distribution of larch forest.

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