摘要
选择1块100m×100m的实地调查样地并设置10块100m×100m的模拟样地,从空间结构参数大小比数、混交度和角尺度以及参与计算的株数比例等方面对距离缓冲区、8邻域对称式、8邻域平移式和第4邻体距离判定法这4种边界校正方法进行比较。结果表明:1)距离缓冲区法、8邻域平移式和第4邻体距离判定法在空间结构分析方面优于8邻域对称式;2)第4邻体距离判定法在样地形状的适用性方面优于8邻域平移式;3)第4邻体距离判定法在信息利用程度方面优于距离缓冲区法。
In this study, one survey plot was selected and 10 simulative plots of 100 m ×100 m were set up. Four edge correction methods of the buffer zone, the 8 neighborhood reflection, the 8 neighborhood translation and the distance determinant method of the 4^th neighborhood on the neighborhood were compared with mingling index and angle index of tree spatial structure parameters and the ratio of the trees taken part in the calculation. The results indicated that： 1）8 neighborhood translation, the buffer zone, the distance determinant method of the 4^th neighborhood were exacter than 8 neighborhood reflection in analyzing the spatial structure;2）the distance determinant method of the 4th neighborhood was much better than the 8 neighborhood translation in applicability of plot shape;3）the distance determinant method of the 4^th neighborhood was more effective than the buffer zone in the ratio of the trees taken part in the calculation.
出处
《林业科学》
EI
CAS
CSCD
北大核心
2009年第2期1-5,共5页
Scientia Silvae Sinicae
基金
国家林业局948项目"林分计算机模拟技术引进"
"十一五"林业科技支撑课题(2006BAD03A0803)
关键词
边界校正
距离缓冲区
8邻域平移式
8邻域对称式
第4邻体距离判定法
空间结构
Key words： edge correction
buffer zone
8 neighborhood translation
8 neighborhood reflection
the distance determinantmethod of the 4^th neighborhood
spatial structure
