Tending and Thinning Design of Cryptomeria fortunei in Maogangzi Forest Area of Tianquan County

Cryptomeria fortunei plantations in Maogangzi forest area of Tianquan County have a relatively high planting density and not been cutted as yet. The average canopy density is up to 0.9 now. In order to improve the status of forest stand, relieve the restrict of density and inhance the timber quality, the number of trees in unit area, trunk diameter and tree height were investigated at random by belt standard plot with the area not less than 3% to determine the cutting amount and intensity by above methords,aiming to calculate the outturn, set down the scheme of intermediate cutting, and put forward advice.