基于五元联系数法的辽河保护区沈阳段河流健康评价

李海霞; 王育鹏; 徐笠; 冯娜娜; 蔚青

doi:10.12153/j.issn.1674-991X.20200035

基于五元联系数法的辽河保护区沈阳段河流健康评价

doi: 10.12153/j.issn.1674-991X.20200035

李海霞^1,2,,
王育鹏^1,*, ,,
徐笠^2,3,
冯娜娜²,
蔚青^2,3

1.
安徽农业大学资源与环境学院
2.
北京市农林科学院,北京农业质量标准与检测技术研究中心
3.
农产品产地环境监测北京市重点实验室

详细信息

作者简介:
李海霞(1990—),女,硕士研究生,主要从事河流健康评价研究,1692337437@qq.com

通讯作者:
王育鹏 E-mail: 554196007@qq.com

中图分类号: X826
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- 被引次数: 0
出版历程
- 收稿日期: 2020-02-28
- 刊出日期: 2020-07-20

River health evaluation in Shenyang Section of Liaohe Conservation Area based on five-element relation number method

LI Haixia^{1,2
,},
WANG Yupeng^{1,*
, ,},
XU Li^2,3,
FENG Nana²,
YU Qing^2,3

1.
School of Resources and Environment, Anhui Agricultural University
2.
Beijing Research Center for Agricultural Standards and Testing, Beijing Academy of Agriculture and Forestry Sciences
3.
Beijing Municipal Key Laboratory of Agriculture Environment Monitoring

More Information

Corresponding author: WANG Yupeng E-mail: 554196007@qq.com

摘要

摘要: 五元联系数法是针对系统中不确定因素,利用各因素之间的对立性、差异性及同一性对各因素进行系统分析的方法。针对五元联系数法可以同时考虑河流健康评价中的确定与不确定因素的优点,以辽河保护区沈阳段为例,建立了包含河流自然形态状况、水质状况、底质状况、水生生物及生态环境状况、社会服务状况五大类共24个指标的指标体系,以层次分析法确定权重,构建了五元联系数综合评价模型,对辽河保护区沈阳段河流健康状况进行评价。结果表明:辽河保护区沈阳段河流健康评价的五元联系数为0.576 8,河流健康等级为中等,其中,河流自然形态状况最大联系数为0.932 9,评价等级为中等;水质状况最大联系数为0.550 4,评价等级为不健康;底质状况最大联系数为0.920 9,评价等级为优秀;水生生物及生态环境状况最大联系数为0.781 3,评价等级为良好;社会服务状况最大联系数为0.478 3,评价等级为中等。辽河保护区沈阳段底质重金属污染较轻,但存在河床稳定性较差,水体氮、磷污染较为严重,鱼类多样性不高等问题,建议通过严格控制污水排放,强化水资源管理,提高化肥利用率,加强河岸带修复等措施,进一步加强保护区的治理与管理。
- 河流健康 /
- 五元联系数 /
- 评价体系 /
- 辽河保护区沈阳段
Abstract: The five-element connection number (FECN) method is a systematic analysis method for the uncertain factors in the system by using the opposition, difference and identity of each factor to analyze the factors. In view of the advantages of the FECN, which could simultaneously consider the certainty and uncertainty factors in the river health evaluation, an index system of 24 indicators in five categories including the river’s natural morphology, water quality, sediment, aquatic organisms and ecological environment, and social services was established in the case of Shenyang Section of Liaohe Conservation Area. By using analytic hierarchy process to determine the weight, a comprehensive evaluation model of five-element relation number was constructed to evaluate the river health in Shenyang Section of Liaohe Conservation Area. The results showed that the FECN of river health evaluation in Shenyang Section of Liaohe Conservation Area was 0.576 8, and the river health grade was medium. Among them, the connection number of river natural morphology was 0.932 9, and the evaluation level was medium. The connection number of water quality was 0.550 4, and the evaluation level was unhealthy. The connection number of sediment condition was 0.920 9, and the evaluation level was excellent. The connection number of aquatic organisms and ecological environment was 0.781.3, and the evaluation level was good. The connection number of social services was 0.478 3, and the evaluation level was medium. The sediment heavy metal pollution in Shenyang Section of Liaohe Conservation Area was relatively light, but the riverbed stability was poor, the water nitrogen and phosphorus pollution were serious, and the fish diversity was not high. It is suggested that the treatment and management of the reserve should be further strengthened by strictly controlling the discharge of sewage, strengthening the management of water resources, improving the utilization rate of chemical fertilizer, and strengthening the restoration of riparian zone, etc.
- river health /
- the five-element connection number /
- evaluation system /
- Shenyang Section of Liaohe Conservation Area

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