南京林业大学学报(自然科学版) ›› 1998, Vol. 22 ›› Issue (02): 79-82.doi: 10.3969/j.jssn.1000-2006.1998.02.019

• 研究论文 • 上一篇    下一篇

宜昌县防护林立地分类与评价的系统研究

廖显春;张新华;杨祖达;彭爱国;周琳   

  1. 华中农业大学林学系
  • 出版日期:1998-06-18 发布日期:1998-04-18

SYSTEMATIC STUDIES ON SITE CLASSIFICATION AND EVALUATIONOF THE PROTECTION FOREST IN YICHANG COUNTY

Liao Xianchun Zhang Xinhua Yang Zuda Peng Aiguo Zhou Lin   

  1. Forest Department Huazhong Agricultural University Wuhan 430070
  • Online:1998-06-18 Published:1998-04-18

摘要: <正>对宜昌县防护林的地理区位与立地类型特征调查,采用模糊聚类分析法对立地类型进行划分,并由理查德方程和数量化理论Ⅰ模型得出编制该地立地指数的预测方程为:Yi=8.04+3.61X11+1.46X12+1.08X51+1.01X52+2.16X61+2.52X62-0.87X81+0.77X82+1.18X83+0.60X84-0.26X85-1.10X91+0.20X92,所调查的11个样地的立地质量等级为13m以上为好,11~13m为中等,11m以下为差。从而建立了宜昌县防护林立地分类与评价系统,为长江防护林工程建设提供了科学依据。

Abstract: Based on the investigation of the geographical district and site type characteristics of the protection forest in yichang County, Site Classification and evaluation system of the protection forest was established by means of Fuzzy Cluster, Richard growth equation and qantitative theory Ⅰ The studies provide the scientific basis for the construction of Yangtze River protection forest peoject