TANG Jie,LIU Yan-yan,WANG Bo,et al.Research for Ecological Security of the Heavily Polluted Tributary of Liaohe Based on Catastrophe Progression Method[J].Research of Soil and Water Conservation,2014,21(03):251-255.
基于突变基数法的辽河重污染支流生态安全研究
- Title:
- Research for Ecological Security of the Heavily Polluted Tributary of Liaohe Based on Catastrophe Progression Method
- Keywords:
- catastrophe theory; catastrophe progression method; Zhaosutai River basin; ecological security; spatial pattern
- 分类号:
- X522
- 摘要:
- 针对流域生态安全研究的复杂性和重要性，选取吉林省辽河重污染支流——招苏台河流域作为研究区，应用突变理论中的突变基数法，结合压力—状态—响应框架结构建立了招苏台河流域生态安全突变模型。研究了2004年、2008年、2010年流域内8个乡镇的生态安全状况。研究区2010年生态安全状况总体较2008年呈下降趋势，3个乡镇生态安全处于较好等级，3个乡镇处于预警等级，2个乡镇已降至中警等级。流域生态安全下降的情况应引起足够重视，在采取增加环境保护资金投入和乡镇污水处理厂建设等有效措施，提高生态安全等级的前提下，才能实现流域社会、经济、环境的可持续发展。
- Abstract:
- According to the characteristics of complexity and importance of research on ecological security of river basin, this article chose heavy polluted tributary Zhaosutai River basin of Liaohe in Jilin Province as the study area. Based on catastrophe progression method, and combining with the Pressure-State-Response framework, the ecological security catastrophe progression model of Zhaosutai River basin was built, analysis on the ecological security situation of 8 townships in the river basin in the year of 2004, 2008 and 2010 was carried out. Results show that the ecological security of the study area in 2010 decreased compared with the year of 2008. Among them, ecological security of 3 townships is at a better level; 3 townships are at the early warning of ecological security level; the other is at the moderate level of alert. Attention should be paid to the decline of ecological security of basin.The relevant departments should take effective measures to improve the level of ecological security of Zhaosutai River basin in order to realize the sustainable development of the basin of the society, economy, environment such as increase of environmental protection investment, building township sewage treatment plant and so on.
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备注/Memo
收稿日期:2013-10-13;改回日期:2013-10-31。
基金项目:国家水体污染控制与治理科技重大专项“辽河源头区水污染综合治理技术及示范研究”（2012ZX07202-009）
作者简介:汤洁(1957-),女,吉林长春人,教授,博士生导师,长期从事生态环境系统工程研究。E-mail:tangjie0724@163.com