【摘要】 <正> 引言森林计测是森林清查中的主体工作内容。传统的地面计测方法不仅需要消耗大量的人力、物力和时间,而且工作很艰苦。森林遥感伎术的应用大大减轻了野外工作量,起到了经济、快速的效果。国外已用电子计算机图象处理设备及多阶抽样的方法来进行此项工作,国内也有人用电子计算机对遥感图象进行了不同林分蓄积量估测法的研究。由于这些方法所用的森林调查因子与常规方法有所不同,且需要昂贵的仪器设备,故在国内应用还不广泛。更多还原

【Abstract】 By measuring the Diversiform-Leaved poplar in Tarim basin, we have beendeveloped the stereocord’s function of forest measurement and the method ofusing the stereocord measuring forests. It were known that to measure height and crown of trees the degree ofcloseness and the volume-increment of whole woods etc.with the stereocordindoor. The method of aerial photograph experimental form-factor can be used tomeasure volume-increment of whole woods with the stereocord.The characteris-tics is using crown diameter instead of D.B.H. in the process of measurementand calculating the cruise parameter K instead of form-factor F.The resultsare equal to those obtained by using actual measurement method of form-factor Using the stereocord to measure forests saving money, labor and time.Itis a valuable useful method in appication.更多还原