摘要
使用江西大岗山实验局杉木资料 ,验证了以断面积生长模型为基础的全林分模型系统 ,得到以下结论 :断面积生长模型不仅适用于自然生长状态的林分 ,也适用于间伐林分 ;可以用全林分模型系统对林分进行模拟预测 ,特别是间伐预测 ,从而为指导林业生产实践提供有益的参考 ;CCF反映了林分的竞争状况 。
The basal area growth model under the integrated whole stand model system is tested based on the permanent plots of Chinese fir ( Cunninghamia lanceolata ) in Dagangshan Experiment Bureau,Jiangxi Province.The results showed that the basal area growth model is suitable to both the free growth and thinned stand.The growth process for a stand,particularly for the thinned stand,can be fitted and predicted by using integrated whole stand growth model system so as to provide some helpful suggestions.As a competition index,crown competition factor can be used to determine the growth phase of a given stand.
出处
《林业科学研究》
CSCD
北大核心
2000年第3期233-238,共6页
Forest Research
基金
国家自然科学基金项目!"间伐效应的模型研究 (39770 6 1 6 )"资助
关键词
全林分模型
间伐
杉木
林分生长
whole stand growth model
thinning
Chinese fir
prediction
