【摘要】 2006年3月,在云南省楚雄州紫金山林场云南松林分内设置了10块20m×30m标准地,以4cm为起测径阶对样木胸径每木检尺,实测各径阶代表木的树高。运用Matlab软件,分别采用6个常用的树高曲线方程对树高曲线进行拟合,并对结果作了评价。更多还原

【Abstract】 Ten pieces of 20m×30m standard plots were set up in Pinus yunnanensis forest in March of 2006 in Zijinshan forest farm of Chongxiong prefecture.4cm as beginning diameter grade was taken to measure the height of representative timbers from each diameter grade.Six popular height curve equations were adopted to fit with height curve and the results were assessed.更多还原