LIU Jie,CHEN Fan,ZHU Jian-jun,et al.Study on Ecosystem Suitability Stressed by Road Projects[J].Research of Soil and Water Conservation,2009,16(06):10-15,21.
道路工程胁迫下生态系统适宜性研究
- Title:
- Study on Ecosystem Suitability Stressed by Road Projects
- 分类号:
- X177.1
- 摘要:
- 道路工程胁迫下生态系统适宜性是生态效应的逆向研究，它从生态系统的角度出发，以生态系统结构和功能稳定性为标准，探讨生态系统对道路工程建设的适宜程度。生态系统适宜性的时空差异性构成其特有的属性特征，空间上表现为系统属性上和工程建设性质上的差异性，在时间上表现为对公路不同建设时期的适宜性差异。生态系统适宜性研究关注的核心问题是临界阈值确定、指标体系和评估模型的建立。通过工程建设的干扰强度与系统稳定性的比较，确定生态系统适宜性的临界阈值，采用AHP法并选取工程强度指标、系统特征指标，建立适宜性评价指标体系，最终基于三个基本假设的前提，构建了适宜性评估理论模型，为适宜性的量化研究提供了理论基础。
- Abstract:
- There has been increasing interest in studying ecosystem impacts of road projects. Studying ecosystem suitability concepts showed that ecosystem suitability stressed by road projects which mainly studied the proper degree of road projects effecting on ecosystem according to ecosystem structure and function stability was a converse to ecological effect study. Ecosystem suitability could be expressed as differences among variable succession and road projects constructions phases in temporal scales and differences of ecosystem attributes and the road building properties in spatial scales by analyzing its attributes and characteristics. And its key problems included identifying its threshold quantity and establishing indices system and assessment model. Comparing road project intensity with the ecosystem stability can identify the ecosystem suitability threshold quantity. Ecosystem suitability assessment indices system will be established through electing indices including road project intensity, ecosystem and its response using AHP methods. The assessment theory model based on three basic hypothesizes provides fundamental basis for quantizing ecosystem suitability.
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备注/Memo
收稿日期:2009-6-24;改回日期:。
基金项目:国家自然科学基金（40701173）；环保公益性科研专项经费项目（200809072）
作者简介:刘杰（1975- ），男，河北迁西人，博士，副研究员，主要从事生态效应与规划环评研究，E-mail：liujie@acee.org.cn