节点文献
永寿县刺槐人工林空间结构研究
Forest Stand Spatial Structure of Robinia pseudoacacia Planation in Yongshou County
【摘要】 利用大小比数和角尺度2种结构参数比较和分析了永寿县刺槐人工林的空间结构,结果表明:林木在最小结构单元中的距离分布为单峰型;胸径大小比数和树高大小比数在反映目标树与相邻木的生长优势方面具有较强的一致性;刺槐人工林的林木分布格局呈现均匀分布。
【Abstract】 Forest stand spatial structure of Robinia pseudoacacia planation in Yongshou County,Shaanxi Province,China was analyzed by using uniform angle index and neighborhood comparison.The results showed that the distribution of distances consistent was single-kurtosis distribution in minimum composition structure cell.The average neighborhood comparison of diameter at breast height(DBH) and tree height was in great consistent in reflecting the growth advantage between reference trees and adjacent trees.The distribution pattern of R.pseudoacacia plantation was even.
【关键词】 刺槐人工林;
空间结构;
大小比数;
角尺度;
【Key words】 Robinia pseudoacacia plantation; spatial structure; neighborhood comparison; uniform angle index;
【Key words】 Robinia pseudoacacia plantation; spatial structure; neighborhood comparison; uniform angle index;
【基金】 中国科学院知识创新工程(KZCX1-YW-08-02-05);国家林业局林业科技支撑计划(2006BAD03A1207)
- 【文献出处】 西北林学院学报 ,Journal of Northwest Forestry University , 编辑部邮箱 ,2010年03期
- 【分类号】S718.542
- 【被引频次】17
- 【下载频次】217