Kuishan Xiong. A STUDY ON CALCULATING PROPORTIONAL COEFFICIENT OF CROWN AREA AND DETERMINING STANDARD DENSITY (STEM-NUMBER) OF PURE ARTIFICIAL EVEN-AGED STAND[J]. Scientia Silvae Sinicae, 1998, 34(4): 116-122.
The schematic diagram of perpendicular bisector of isosceles triangle"
Fig.1
Fig.2
Schematic diagram of isosceles triangle arrangement when crown density just is 1.0"
Fig.2
Fig.3
The schematic diagram of rectangle"
Fig.3
Fig.4
The schematic diagram of rectangle arrangement when crown density of trees just is 1.0"
Fig.4
Fig.5
The diagram of forest tree rectangle arrangement when the ratio of row spacing to tree spacing just is 0.58"
Fig.5
Fig.6
Forest tree isosceles triangle arrangement when crown density just is 1.0 and proportion between spacing in a row and row spacing is 1.73"
Fig.6
Fig.7
The diagram of forest tree isosceles triangle arrangement when the ratio of row spacing to tree spacing is 0.5"
Fig.7
Table 1
Crown area proportional coefficient and standard density (stem number) of common forest trees arranged in isosceles triangle when the crown density just reached to 1.0"
Table 1
Table 2
Crown area proportional coefficient and standard density of common forest trees arranged in rectangle when the crown density just reched to 1.0"