巢湖崩岸湖滨基质-水文-生物一体化修复  

Integrated matrix-hydrology-biological remediation technology for bank collapse lakeside zone of Chaohu Lake

作　　者：陈云峰[1] 张彦辉[1] 郑西强[1] 

机构地区：[1]安徽省环境科学研究院,合肥230061

出　　处：《生态学报》2012年第9期2960-2964,共5页Acta Ecologica Sinica

基　　金：国家水体污染控制与治理重大科技专项(2008ZX07103-004;2008ZX07103-007)

摘　　要：湖滨带生态修复不是简单的水生植物移种,还必须提供其适于生存的基质、水文等外部物理条件。基质作为水生植被的载体,既需要适宜的柔度,也要求一定的刚度。在巢湖崩岸湖滨综合调查的基础上,系统分析了崩岸湖滨带生态退化的成因,研发了基质、水文、生物一体化修复技术,解决了水生植物在恢复生长时期受基质流失和水力切割影响的问题,为水生植物营造了适宜的水生环境。通过西北岸万年埠湖滨的示范工程建设,取得了良好的治理效果,为巢湖崩岸湖滨的生态修复提供一种生态型的、可工程化实施的技术方法。Lake Chaohu is one of the five largest freshwater lakes in China. Under normal conditions it covers an area of 760km^2 and has a coastline of 184.66km. 88km of this coastline easily collapses. These sections are distributed along the northwestern bank, southeastern bank and the south bank of Lake Chaohu. An average of around 390 acres of land collapses into the lake each year. Bank collapse triggers soil erosion and also causes serious ecological degradation of the shoreline. Currently, submerged and emerged plants have mostly disappeared from the lakeside zone of Lake Chaohu. In addition this degradation of the shoreline has reduced the capacity for the maintenance of biological diversity and eliminating pollution. The dominant wind direction in the Lake Chaohu basin is southwesterly. The northwestern shore of lake thus receivesthe full force of the prevailing wind, especially during this time, high wind and waves in the lake hamper restoration of the lakeside zone is thus not simply the survival of these plants, within the water column and March and April, the period of the survival of submerged and early growth of aquatic vegetation. At emergent aquatic plants. Ecological transplantation of aquatic plants, but must also provide the matrix for exposed to physical environmental factors. The matrix, as the carrier of aquatic vegetation, needs to be sufficiently flexible to be suitable for aquatic plant growth but must be rigid enough to withstand wave erosion and the lodging of vegetation. Moderate hydrology is undoubtedly an important condition for the survival of aquatic plants, large flow and high wind and waves not only wash away substrate, but also damage aquatic plants, often fatally, during their initial growth. As for aquatic plant transplantation, not only do the species selected need to match the main native species of the site but there must be coincidence in the timing of the growing season of transplanted vegetation. In order to implement ecological restoration for the collapsed northwestern bank La

关 键 词：湖滨带 崩岸 生态修复 巢湖 

分 类 号：X171.4[环境科学与工程—环境科学]