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林业科学 ›› 1998, Vol. 34 ›› Issue (3): 1-10.

• 论文及研究报告 •    下一篇

不同功能防护林类型的判别技术研究

袁正科1,肖彬2,欧阳惠3,田育新1   

  1. 1. 湖南省林业科学研究所 长沙 410004
    2. 湖南省营林局 长沙 410003
    3. 湖南省气象研究中心 长沙 410005
  • 收稿日期:1996-10-28 出版日期:1998-05-25 发布日期:1998-05-25
  • 基金资助:
    国家“八五”重点攻关项目(85-19-06)

STUDIES ON DETERMINATION TECHNIQUES FOR PROTECTION FOREST TYPES WITH DIFFERENT FUNCTION

Zhengke Yuan1,Bin Xiao2,Hui Ouyang3,Yuxin Tian1   

  1. 1. Hunan Forestry Research Institute Changsha 410004
    2. Forestry Department of Hunan Province Changsha 410003
    3. Hunan Meterological Research Centre Changsha 410005
  • Received:1996-10-28 Online:1998-05-25 Published:1998-05-25

摘要:

为了解决防护林类型选择技术问题,测定了洞庭湖水系内24个主要防护林类型的生产力、林地土壤的渗透能力、水稳性指数、土壤最大蓄水能力、有效贮水能力及林分最大持水能力,并运用多级分辨等方法,对防护林类型的上述功能进行了判别分析,提出了18个可供多种功能上选用的选择技术模型。选择技术模型回判结果,回判符合率多在75 %以上。

关键词: 防护林, 类型, 生产力, 防护能力, 选择技术

Abstract:

The object of our study was aimed at seeking a series of techniques for selection of protection forests.Therefore the following functions were evaluated :productivity of the main protection forest, permeability capacity of the forest soil, water stablization index, maximum water storage petential of the soils, effective storage capacity and maximum water retainning potential of stands.Futhermore, a multi-step determination approach was utilized to determine the functions of the protection forests.On the base of this analysis, a total of 18 technique selection models were established for multi-function selection.The coincidence rate of these models determining the functions of forests with historical data were above 75.0%.

Key words: Protection forest type, Productivity, Protection capacity, Selection techniques