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西北大学 城市与环境学院/陕西省地表系统与环境承载力重点实验室,陕西 西安 710127
夏小强,男,从事环境生态评价研究,1121789270@qq.com。
李琦,女,博士,教授,从事水资源与水环境安全研究,qili726@nwu.edu.cn。
纸质出版日期:2024-06-25,
收稿日期:2023-11-20,
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夏小强, 张乐, 要丽娟, 等. 基于AHP-模糊综合评价法的渭河河流健康评价[J]. 西北大学学报(自然科学版), 2024,54(3):413-423.
XIA Xiaoqiang, ZHANG Le, YAO Lijuan, et al. Research on the health of Weihe River based on AHP fuzzy comprehensive evaluation[J]. Journal of Northwest University (Natural Science Edition), 2024,54(3):413-423.
夏小强, 张乐, 要丽娟, 等. 基于AHP-模糊综合评价法的渭河河流健康评价[J]. 西北大学学报(自然科学版), 2024,54(3):413-423. DOI: 10.16152/j.cnki.xdxbzr.2024-03-007.
XIA Xiaoqiang, ZHANG Le, YAO Lijuan, et al. Research on the health of Weihe River based on AHP fuzzy comprehensive evaluation[J]. Journal of Northwest University (Natural Science Edition), 2024,54(3):413-423. DOI: 10.16152/j.cnki.xdxbzr.2024-03-007.
河流健康评估为河流可持续发展提供了依据,渭河作为黄河的一级支流,其生态健康对于黄河高质量发展具有重要意义。为全面评价渭河流域的健康状况,选取物理栖息地状况、水质状况及水生生物状况3个准则、11个指标,建立渭河生态健康评价标准,采用层次分析法(AHP)确定权重,结合最大隶属度原则对渭河流域进行多级模糊评价。结果表明,25个点位中有8个处于健康水平,13个处于亚健康水平,4个处于不健康水平,渭河综合健康评价结果为亚健康。渭河源头、宝鸡至西安段河流生态健康状况较好,天水至宝鸡段及下游河段生态健康较差,不健康的点主要集中在下游,表现出显著的空间差异。物理栖息地、水质及水生生物的评价结果分别为亚健康、健康、亚健康,物理栖息地与水生生物状况是影响河流生态系统健康的关键,主要受人为活动以及自然环境的影响。针对特定河段需要采取相应措施恢复生态健康。
River health assessment provides a foundation for the sustainable development of rivers. As a first-class tributary of the Yellow River
the ecological health of Weihe River is of great significance for the high-quality development of the Yellow River. In order to comprehensively evaluate the health status of Weihe River Basin
the ecological health evaluation criteria of Weihe River Basin were established by selecting 3 criteria and 11 indicators
including physical habitat status
water quality status and aquatic organisms status. The weights were determined by AHP
and the Weihe River Basin was evaluated by multi-level fuzzy evaluation combined with the principle of maximum membership. The results show that 8 of the 25 points are in a healthy level; 13 were at sub-healthy level; 4 of them are in unhealthy level
and the comprehensive health evaluation result of Weihe River is sub-healthy. The ecological health status of the Weihe River headwaters
Baoji section to Xi’an section is good
while the ecological health of Tianshui—Baoji section and downstream section is poor
and the unhealthy points are mainly concentrated in the downstream
showing significant spatial differences. The evaluation results of physical habitat
water quality and aquatic organisms are sub-healthy
healthy and sub-healthy
respectively. Physical habitat and aquatic organisms are the key factors affecting the health of river ecosystem
which are mainly affected by human activities and natural environment. It needs to take relevant measures to restore the ecological health of Weihe River.
物理栖息地水质水生生物健康评价渭河
physical habitatwater qualityaquatic organismshealth evaluationWeihe River
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