%0 Journal Article %T Assessment of urban river habitats: application and methodology
城市河流栖息地评价方法与应用 %A XIA Ting %A ZHU Wei %A JIANG Mouyu %A ZHAO Lianfang %A
夏霆 %A 朱伟 %A 姜谋余 %A 赵联芳 %J 环境科学学报 %D 2007 %I %X A healthy habitat is essential for maintaining biological integrity.Assessment of urban river habitats(URH) provides a scientific basis for their restoration and management,and the criteria for assessment are closely related to the characteristics of URH.Based on the idea and the radiant quality of Matter-element,as well as former research,an index system for assessment of URH including water quality,morphology,hydrodynamics and aquatic biology,was set up to meet the objective of river restoration.Besides the combining hierarchy process method,multilevel extension assessment is discussed for assessment of URH,and the extension method for diagnosis is introduced.The above theory and method were applied to a case study of the Ancient Canal in Zhenjiang city,and homologous indicator criteria were established linking restoration objectives and the actual condition of the Ancient Canal.After conducting field surveys for more than a year,6 representative reaches were selected for assessment,and the results indicate that the general habitat quality,water quality,hydrodynamics and aquatic biology are in poor condition.Further diagnosis indicated the water quality and hydrodynamics are the main factors that affect habitat quality,and water quality,water transparency,guarantee rate of water demand and longitudinal connectivity are the key indexes.Finally,some suggestions for habitat restoration of the Ancient Canal are provided based on above results. %K urban river %K habitat %K index system %K hierarchy process method %K extenics %K matter-element model %K Zhenjiang city %K the Ancient Canal
城市河流 %K 栖息地 %K 指标体系 %K 层次分析法 %K 可拓学 %K 物元模型 %K 镇江市 %K 古运河 %K 城市 %K 河流栖息地 %K 评价方法 %K 应用 %K river %K urban %K Assessment %K methodology %K 修复 %K 主要因子 %K 连续性 %K 满足率 %K 流量 %K 透明度 %K 水质污染指数 %K 因素 %K 分析表 %K 诊断 %K 生物质量 %K 结果 %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=3FF3ABA7486768130C3FF830376F43B398E0C97F0FF2DD53&cid=A7CA601309F5FED03C078BCE383971DC&jid=03A55E61A8750ACAC6AF81EF9E2AC838&aid=343FEE8F0E0B3096FC681ED7C17AF2BE&yid=A732AF04DDA03BB3&vid=DB817633AA4F79B9&iid=59906B3B2830C2C5&sid=938DF4F02EA7B2E0&eid=1BF0B9E7EC703940&journal_id=0253-2468&journal_name=环境科学学报&referenced_num=0&reference_num=33