GAO Yang,GAO Jia-rong,CHEN Zi-shan,et al.Dissussion of Near Natural Stream Control Assessment System and Its Application[J].Research of Soil and Water Conservation,2007,14(06):379-382.
河溪近自然治理评价指标体系探讨及应用
- Title:
- Dissussion of Near Natural Stream Control Assessment System and Its Application
- 关键词:
- 河溪近自然评价; 河溪生态系统; 层次分析法; 河溪自然性综合评分值
- Keywords:
- near natural stream control assessment system; stream ecosystem; Analytic Hierarchy Process; the comprehensive assessment score of stream naturality (SNS)
- 分类号:
- TV212.52
- 摘要:
- 河溪近自然治理从河溪生态系统的生态特征、地貌特征和水体特征3个方面入手，针对我国特殊的经济情况和复杂的水域特点，提出了由11个因子组成的河溪近自然评价指标体系，包括：（1）河流的平面形态；（2）河流的横断面形态；（3）河流的水深；（4）水体宽度；（5）岸坡的结构；（6）水流的流速；（7）缓冲带植被宽；（8）水体与河床的接触情况；（9）河道粗木质情况；（10）水质；（11）底栖大型动物。再根据评价结果将河溪生态系统健康划分为4个等级，并对北京市怀柔区的典型河溪——怀九河进行河溪近自然治理评价，发现其处于河溪受到微小的人类活动的侵扰阶段，需要利用河溪近自然治理加以调控。
- Abstract:
- In order to satisfy the special economic condition and complex situations of watershed, near natural stream control assessment system offers eleven indicators from ecological characters, topographical characters and water characters to assess stream ecosystem, including: (1) the plane shape of stream; (2) the profile shape of stream; (3) depth of water; (4) width of water; (5) the structure of bank slope; (6) current velocity; (7) the width of riparian; (8) the touching condition between water and bed soil; (9) coarse woody debris in stream channel; (10) the quality of water; (11) benthonic large invertebral animals, and according to different appraisal results, stream ecosystem is divided into four healthy degrees, and exercising this sessment system on Huaijiuhe River located in Huairou District, the result shows that the healthy condition of Huaijiuhe River is in the second degree.The stream system is disturbed by human activities lightly, therefore, the river needs to be regulated by near natural stream control techniques.
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备注/Memo
收稿日期:2006-11-20。
基金项目:北京市自然科学基金项目“北京地区典型河溪生态系统环境效应及其调控机理”（8062022）
作者简介:高阳（1982- ），女，硕士，主要从事水土保持与流域管理研究。
通讯作者:高甲荣（1963- ），男，副教授，博士，主要从事森林生态、森林水文、流域管理研究。