上海花博会水系整治工程水生态修复技术
摘要：依托上海花博园地区生态水系整治工程项目,选取矮型苦草、改良刺苦草、龙须眼子菜三种新型沉水植物作为水生态修复载体,构建由深入浅依次为龙须眼子菜、改良刺苦草和矮型苦草,以矮型苦草为核心,改良刺苦草、龙须眼子菜为辅助的水生态群落结构,进行沉水植物的选型、运输与保鲜、种植工艺以及病虫害养护措施等全过程探讨。通过沉水植物水生态修复工程研究,花博园区内水质净化达III类地表水,水体能见度达3m。
关键词：水系工程沉水植物种植养护水生态修复施工技术
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[2] 丁玲,李羚君,李剑峰,等.沉水植物净化人工水源湖原水中氮磷和悬浮物的试验研究[J].生态环境学报,2018,27(1):122-129.
[3] 郭雅倩,薛建辉,吴永波,等.沉水植物对富营养化水体的净化作用及修复技术研究进展[J].植物资源与环境学报,2020,29(3):60-70.
[4] 生态环境部.中国生态环境状况公报[Z].2019.
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[6] 冯承婷,赵强民,甘美娜.关于景观水体生态修复沉水植物生物量配置探讨[J].中国园林,2019(5):117-121.
[7] 刘淼,陈开宁.植物配置与进水碳氮比对沉水植物塘水质净化效果的影响[J].环境科学,2018,39(6):2706-2714.
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Study on Hydroecology Biocoenosis System and Construction Technology of the 10th China Flower Expo in Shanghai
Abstract: In the hydroecology restoration project of the 10 th China Flower Expo, three new types of benthophyte, namely short-type Vallisneria natans, improved Vallisneria spinulosa S.Z.Yan, and Potamageton pectinatus, were considered as major elements of a harmonious aquatic ecosystem. In this ecosystem, short-type Vallisneria natans was of primary importance and was planted in the shallowest area, and as water depth got deeper, improved Vallisneria spinulosa S.Z.Yan and Potamageton pectinatus were planted respectively. This ecosystem was constructed for researching the whole process of benthophyte planting technology, such as benthophyte selection, transportation, preservation, and maintenance. After researching, the water quality of the Flower Expo reached the standard of grade III surface water, and the visibility of water was 3 m.
Keywords: hydroecology; benthophyte; planting; maintenance; hydroecology restoration; construction
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