摘要
以北京森林资源一类调查中侧柏的数据为基础,以Rechards方程为模版,通过spss统计建模工具进行拟合,建立了包括落叶松的树高模型、立地指数、林分密度、断面积指数、全林收获模型、林分生长模型在内的全林分模型。林分生长模型保持了与收获模型的相容性,在此基础上利用林分生长模型,可根据某一时期的林分收获量预知未来某一时期的林分蓄积。通过检验证明,此北京落叶松人工林全林分的林分生长模型有很强的适用性,为有关林业部门确定最优密度指数、立地指数等因子来改善落叶松的经营方式提供了依据。
Taking Rechards equation as pattern medel,the authors established the Whole Stand Model of Larix gruelinii plantation based on forest inventory data of Beijing.This model included high model, Site Indexes （SI）, Stand Density Indexes （SDI）, sectional area model, forest harvest model and growth model. Because of compatibility between growth model and harvest model, it could estimate future stand volume according to present stand volume. Depended on examination and analysis, it could be helpful for Larix gmelinii plantation, which contained most superior factors such as SDI and SI, to improve the management of Beijing forestry.
出处
《河北林果研究》
2008年第1期22-25,共4页
Hebei Journal of Forestry and Orchard Research
关键词
全林分模型
Rechard模型
生长量预测
落叶松
Whole Stand Model
Rechards model
growth quantity forecasting
Larix gmelinii plantation
