At present, it is the most beautiful season in Meicheng ancient town, Jiande City, Zhejiang Province: the neat ancient town is full of birds and flowers, full of spring; The Yudai River across the ancient town is crystal clear, with fish and shrimp swimming, adding a touch of spring flexibility to the ancient town.
Meicheng ancient town has a history of nearly 1800 years. The water system pattern of "two lakes and one river" in the city began in the Tang Dynasty and was formed in the Ming Dynasty. That is, the Yudai River connects the East and West regulating and storing lakes to divert the mountain torrents of Wulong mountain and protect Yanzhou Prefecture from floods. However, with the impoundment of Fuchunjiang Reservoir, the water level of Xin'an River rises, coupled with the concentration of urban population, Yudai River is gradually landfilled into construction land. The Yudai River flowing for thousands of years falls into "deep sleep", and the water ecosystem of urban internal water system is under increasing pressure
In October 2018, the source area of Qiantang River became the third batch of national pilot projects for ecological protection and restoration of mountains, rivers, forests, lakes and grasses. 79 projects in seven major fields were implemented in Jiande City, Chun'an County, Changshan County and Kaihua County. Based on water conservation, it is divided into three functional areas: soil and water conservation, biodiversity conservation and soil pollution prevention and control, with a main area of 10067 square kilometers. In March 2019, Jiande City took the opportunity of carrying out the pilot project of landscape, forest, field, lake and grass ecological restoration in Qianjiang source area to fully implement the comprehensive treatment project of Meicheng ancient town water system by promoting the connection of ancient city water system, the construction of embankment project, the improvement of biodiversity in riparian buffer zone and other measures.
Over the past three years, under the guidance of multi department and cross regional coordination of the Department of natural resources, the Department of Finance and the Department of ecological environment of Zhejiang Province, and with the technical support of Zhejiang agriculture and Forestry University, the comprehensive treatment project of Meicheng ancient town water system has dredged and connected the Meicheng ancient town water system, reopened the ancient jade belt river channel on the old site, connected the internal and external water systems through engineering and technical measures, and restored the regulation and storage function of "two lakes and one river"; Comprehensive dredging, using constructed wetlands and ecological floating islands to purify water bodies, build ecological shorelines, reconstruct vegetation communities and improve the stability of the ecosystem; Taking the Yudai River as the vein, the ancient city is reactivated and the prosperous scene of the ancient town is reproduced.
\u3000\u3000 "Before the implementation of the project, Meicheng ancient town was faced with the problem of water safety. The construction of Fuchunjiang Reservoir raised the normal water level of Xin'an River. During the flood season, the flood in Meicheng ancient town could not flow into Xin'an River by itself and needed to be drained through the drainage stations of East and West Lakes. The original drainage scale could not meet the drainage requirements, and the insufficient drainage capacity of the town was in conflict with the protection of the ancient town. Yudai River in the ancient town was covered by residential buildings, the water systems of East and West Lakes could not be connected, and the interior of the ancient town was damaged The river network lacks linkage, the water flow stagnates, and the ecological self purification function is limited. Moreover, the sewage interceptor in the ancient town has not been implemented in place, and the problem of domestic sewage discharge still exists. At the same time, there are also some problems, such as the lack of water diversion and distribution facilities, the single plants along the river bank, and the lack of habitat structure of aquatic hygrophytic plant community, so the water environment is worrying. " Introduced by Li Ping, teacher of Zhejiang agriculture and Forestry University.
Under the guidance of experts from Zhejiang agriculture and Forestry University and other universities, the comprehensive treatment project of Meicheng ancient town water system in Jiande city starts from the "water ecological environment" and "water cultural landscape", scientifically dredges the Meicheng water system, restores the ancient river channel, improves the regulation and storage capacity of the river network, improves the water ecology and creates the coastline landscape; By improving the construction of flood control infrastructure, improve the flood control capacity, reproduce the history of water control in Yanzhou, present a unique historical and cultural landscape, and create a water environment with cultural heritage and humanistic care; By strengthening habitat construction, protecting biodiversity and enriching the connotation of ecological culture, we have created a leisure place along the river with strong cultural atmosphere, optimized the community structure, improved stability and promoted the increasing prosperity of ecological culture... A series of effective measures have been taken to solve the problem of waterlogging in Meicheng ancient town, restore and maintain the stability of water ecosystem, optimize river landscape, present a new look of the ancient town and create a livable environment with harmonious human and water.
Now, great changes have taken place in the ecological environment of the city. The comprehensive connection of the East and West Lakes has brought the Millennium Yudai River back into sight. The water system texture of the Millennium ancient town has been completely restored. The landscape city pattern is highly integrated. The coast of the Yudai River has become a public space for residents' leisure.
The improvement of infrastructure and ecological environment in Meicheng ancient town has gradually expanded the social influence of the ancient town and provided a large number of employment opportunities for local residents. Improve the ecological environment, promote the development of tourism economy, and achieve the state of harmonious coexistence between adults and nature. Li Ping said that during the "May Day" period in 2021, Meicheng ancient town received nearly 200000 tourists, driving the local tourism consumption of more than 30 million yuan. It has been realized that green water and green mountains are Jinshan and Yinshan.
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