Abstract
The artificial pure and mixed Korean pine (Pinus koraiensis) forests were investigated at Dailing Forestry Bureau in Xiaoxing’an mountains from 1990 to 1992. Depending on the distance between the samplings of Korean pine and their neighbor trees, the neighbor tree height, the size of neighbor tree canopy, and dimension of neighbor tree. The forest structure was classified into three types: (l)Growth of a tree in the light (open); (2) Growth of a tree in the canopy gap (Gap); (3)Growth of a tree under broad-leaved tree canopy. The frequency, height, and age of stem divergence of Korean pine tree were investigated by sampling trees. The temporal and spatial model of the tree growth was applied on basis of the height of stem divergence, ratio of height and DBH, and character of tree stem. The morphology and growth character of Korean pine trees during different development stage were forecasted.
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