根据林业经营管理的实际需要,探讨基于地面三维激光扫描技术构建的树木模型在林业应用中的可行性及有效性。首先利用Leica HDS 6000采集树木的三维点云并进行数据预处理,接着根据处理后的点云,运用壳演算法实现树木的三维表面重建,最后基于构建的树木模型对树木的相关因子进行定量分析。试验证明,地面激光扫描技术应用于林业资源调查是可行的,它不但能提供准确、可靠的林业数据,并能增强或替换林业的实地调查。 According to the actual needs of forestry management, the feasibility and effectiveness of the tree model based on terrestrial 3D laser scanning technology in forestry application are discussed. Firstly, the Leica HDS 6000 was used to collect the 3D point cloud of the tree and preprocess the data. Then, based on the processed point cloud, the shell algorithm was used to reconstruct the 3D surface of the tree. Finally, the tree-related factors were quantitatively analyzed based on the constructed tree model . Experiments have proved that the application of surface laser scanning technology to forestry resources survey is feasible. It not only can provide accurate and reliable forestry data, but also can enhance or replace the field investigation of forestry.