速生丰产优质杉木林经济效益分析及伐期确定

THE CONFIRMATION OF HARVESTING PERIOD AND THE ANALYSIS OF ECONOMIC EFFECT ON THE PRODUCTIVE AND HIGH-QUALITY CHINESE FIR PLANTATION

根据杉木优质丰产林的林分解析和有关的技术经济指标 ,采用了与立木胸径、树高和蓄积相关的可变木材生产成本分析了优质丰产杉木林的动态经济效益 ,分析了单位面积产量、木材价格和工价变化对投资收益率的影响 ,测算了森林经济成熟 。

Based on the analysis of stand of productive and high-quality Chinese fir plantation and the indexes of technology and economy concerned,the paper analyzed the dynamic economic effect of productive and high-quality Chinese fir plantation,expounded the influence of unit-yield,timber price and wage variation on the rate of return on invested capital by employing variable cost of timber production which related with volume,tree-high as well as diameter,and measured forest economic maturity,which supplied reliant bases for confirming the age of major harvest and the cultural object of the productive and high-quality Chinese fir plantation.