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引用本文:邓开宇,吴芝瑛,张国亮,徐骏,杨剑,毛益民,蒋华兵.从叶绿素a的变化浅析西湖综合保护工程效益(1998-2007年).湖泊科学,2009,21(4):518-522. DOI:10.18307/2009.0410
DENG Kaiyu,WU Zhiying,ZHANG Guoliang,XU Jun,YANG Jian,MAO Yimin,JIANG Huabing.Benifits of the restoration projects on West Lake: evidence of chlorophyll-a change (1998-2007). J. Lake Sci.2009,21(4):518-522. DOI:10.18307/2009.0410
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从叶绿素a的变化浅析西湖综合保护工程效益(1998-2007年)
邓开宇1,2, 吴芝瑛2, 张国亮1, 徐骏2, 杨剑2, 毛益民2, 蒋华兵1
1.浙江工业大学生物与环境工程学院, 杭州 310014;2.杭州市西湖水域管理处, 杭州 310002
摘要:
自1998年以来,杭州市政府先后实施了西湖疏浚、湖西综合保护、引配水改建等几项主要治理工程,西湖周边的环境质量得到了明显提高.对1998-2007年间杭州西湖主要湖区叶绿素a的含量进行了跟踪监测分析与研究,结果表明,西湖主要湖区年均叶绿素a含量比治理工程实施前明显下降,且下降幅度可达42.8%-87.3%,西湖综合保护工程的实施对改善西湖的水质起了主要的作用.
关键词:  西湖  叶绿素a  水质改善
DOI:10.18307/2009.0410
分类号:
基金项目:国家自然科学基金(20776133)项目资助
Benifits of the restoration projects on West Lake: evidence of chlorophyll-a change (1998-2007)
DENG Kaiyu1,2, WU Zhiying2, ZHANG Guoliang1, XU Jun2, YANG Jian2, MAO Yimin2, JIANG Huabing1
1.College of Biological and Environmental Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. China;2.Hangzhou West Lake Management Office, Hangzhou 310002, P. R. China
Abstract:
Water quality of West Lake has been greatly improved after implementation of lake restoration projects, such as sediment dredging, wetland reconstructing and water freshening supported by Hangzhou Municipal Government since 1998. Based on continuous data analysis of chlorophyll-a concentrations in West Lake from 1998 to 2007, the chlorophyll-a concentrations in main area of West Lake in 2007 decreased by a range from 42.8% to 87.3% compared with those in 1998. The results showed that the restoration projects played a major role in water quality improvement of West Lake.
Key words:  West Lake  chlorophyll-a  water quality improvement
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