摘要
调查了杭州市余杭区中泰乡苦竹Pleioblastusamarus林生物量,并采用回归分析的方法探讨了苦竹各变量的相关性,建立并选择出苦竹各器官生物量与胸径、秆高或枝下高等因子的最佳相关数学模型:m秆=13 4395D2 0048H0 4425;m枝=2956 3598D1 9929H-0 6410;m叶=43 7467-30 5412D+53 7597D2;m篼=270 9560D2 3579H-0 3995;m鞭=512 4361-175 9360D+2 9078H0;m地上=432 4468-479 3075D+422 8285D2;m地下=396 6223-53 28690 2962。应用上述模型估算出苦竹单株各器官生物量和D+2 8775H0;m总=191 0380D1 1986H0苦竹林分产量。
Based on the biomass surveys of Pleioblastus amarus in Zhongtai Township of Yuhang District,Hangzhou,the matrix of correlation efficient among various organs of Pl.amarus were established.The best mathematical models of various bamboo organs and the diameter at breast heigh,height or lowest branch height were constructed through regression analysis.The models were as follows:m_(stem)=13.439 5D^(2.004 8)H^(0.422 5);m_(branch)=2 956.359 8D^(1.992 9)H^(-0.641 0);m_(leaf)=43.746 7-30.541 2D+53.759 7D^2;m_(root)=270.956 0D^(2.357 9)H^(-0.399 5);m_(subterranean stem)=512.436 1-175.936 0D+2.907 8H_0;m_(aboveground)=432.446 8-479.307 5D+422.828 5D^2;m_(underground)=396.622 3-53.286 9D+2.877 5 H_0;m_(total)=191.038 0D^(1.198 6)H_0^(0.296 2)?Using these models,the biomass of various organs of ramet and forest of Pl.*'amarus were calculated respectively.This result had reference to the evaluation of productive potentialities and guidance of production of Pl.*'amarus.
出处
《浙江林学院学报》
CAS
CSCD
北大核心
2004年第2期168-171,共4页
Journal of Zhejiang Forestry College
基金
浙江省科学技术厅资助项目(001102204)
关键词
苦竹
生物量
回归分析
数学模型
Pleioblastus amarus
biomass
regression analysis
mathematical model
