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Micro-reformation and vegetation restoration method for degraded plateau and lake wetlands

A wetland and plateau technology, applied in botanical equipment and methods, climate change adaptation, horticulture, etc.

Active Publication Date: 2015-04-29
INST OF URBAN ENVIRONMENT CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

Aiming at these characteristics, the only relevant domestic patent is the "Sewage Treatment Method in Plateau Alpine Zone" patent number 200410081473.5 invented by Sichuan Guoce Environmental Protection Industrial Engineering Co., Ltd. This technology only provides water purification methods in plateau areas, and has no effect on plateau wetland vegetation and ecological restoration. involves

Method used

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  • Micro-reformation and vegetation restoration method for degraded plateau and lake wetlands
  • Micro-reformation and vegetation restoration method for degraded plateau and lake wetlands

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specific Embodiment approach

[0017] (1) The method was demonstrated in the lake wetland of the Napahai Plateau in the northwest of Zhongdian County, Diqing Prefecture, Yunnan Province. The statistical area of ​​Napa Sea in 2011 was 3435hm 2 , of which the meadow area is 2316.8hm 2 , grassland area 8.1hm 2 , shallow water area 614hm 2 , the deep water area is 496.1hm 2 . Its specific implementation is as follows:

[0018] 300 acres of experimental land along the Napa Haila Grassland. Since this area is located near the city of Diqing County, the artificial excavation of drainage ditches has kept the wetlands in a state of drainage and drainage most of the time. Some low-lying swamps have a water depth of less than 10cm, and the dry parts are mainly used for grazing and horseback riding. The type has changed, and the succession process of swamp-swamp meadow-meadow is going on, and the wetland vegetation is seriously degraded. If the surface vegetation is further destroyed, it will enter the meadow-de...

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Abstract

The invention belongs to the technical field of environmental protection and ecological engineering, relates to topological micro-reformation and vegetation restoration, and discloses a vegetation restoration method applicable to degraded plateau and lake wetlands. The vegetation restoration method is low in personnel and capital investment and mainly includes stages of background evaluation, selective enclosure and livestock reduction, topological micro-reformation for the wetlands and construction of screened plant communities or plant zones. The vegetation restoration method has the advantages that plateau wetland vegetation restoration is accelerated, wetland vegetation ecosystems are constructed, and the environmental quality of the degraded wetlands is improved.

Description

technical field [0001] The invention belongs to the technical field of environmental protection and ecological engineering, and relates to micro-terrain modification and vegetation restoration. Background technique [0002] The research on wetland restoration abroad was carried out earlier. The United States mainly restores wetlands through engineering measures and wetland reconstruction, and Europe mainly restores wetlands through engineering, biological measures and wetland reconstruction. At present, wetland restoration work is mostly carried out from four aspects: wetland matrix, hydrological process, water environment, wetland biology and habitat restoration, among which the improvement and management of wetland matrix and hydrological process involve certain physical terrain transformation, soil replacement, hydrological connectivity and water level. change process. Among them, micro-reformation is widely used in wetland restoration, and its core content is micro-terr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G1/00
CPCY02A40/22
Inventor 左舒翟任引罗云建
Owner INST OF URBAN ENVIRONMENT CHINESE ACAD OF SCI
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