Method for reconstructing submerged plant communities of lakeside wetland and controlling water quality purification

A submerged plant and water purification technology, applied in chemical instruments and methods, biological water/sewage treatment, water/sludge/sewage treatment, etc., can solve the problems of inability of photosynthesis of seedlings, difficulty in restoring aquatic vegetation, and harsh habitat conditions and other problems, to achieve the effect of enhancing self-cleaning ability, facilitating popularization and application, and simple and easy operation

Inactive Publication Date: 2014-02-19
NANJING INST OF ENVIRONMENTAL SCI MINIST OF ECOLOGY & ENVIRONMENT OF THE PEOPLES REPUBLIC OF CHINA
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Problems solved by technology

However, in the treatment of heavily polluted water bodies, due to the low transparency, the seedlings cannot perform the necessary photosynthesis; coupled with the poor habitat conditions such as oxygen supply, the restoration of aquatic vegetation is very difficult

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  • Method for reconstructing submerged plant communities of lakeside wetland and controlling water quality purification
  • Method for reconstructing submerged plant communities of lakeside wetland and controlling water quality purification
  • Method for reconstructing submerged plant communities of lakeside wetland and controlling water quality purification

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Embodiment

[0033]This embodiment relates to a lakeside wetland submerged plant community reconstruction and water purification control technology, including population structure design, vegetation formation and stabilization technology. Among them, the population structure design of the pioneer species of the colonization species is characterized in that, through artificial cultivation or field collection, the propagules are collected and stored in ponds after the propagules are mature; Selection, fixation, egg-belt layout (specifically: fix the sorted seedlings in the egg-belt culture body, a group of 4 to 8 plants, place heavy stones on both sides, each group is 2m apart, and the diameter of the culture body is 4-8. 8cm, the length of a single unit does not exceed 60m; operate on a workboat or a water platform, fix the fixed pile (a fir pile with a small head diameter of 8cm and a length of 4m) at the position where pioneer plants need to be planted, and ensure that the pile body above ...

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Abstract

The invention discloses a method for reconstructing submerged plant communities of lakeside wetland and controlling water quality purification. The method comprises the steps of monitoring and analyzing the water quality purification capacity and the community change rule of water plants in an ecological restoration area of a lakeside wetland, and determining some kinds of water plants with high-intensity purification and survival ability to serve as pioneer species; determining which kind of season dominant species to which the pioneer species belong respectively, and constructing submerged plant communities of the lakeside wetland through reasonable matching of different season dominant species; quickly cultivating the pioneer species on a large scale in the ecological restoration area of the lakeside wetland to realize purification control of water quality. Compared with the prior art, by adopting the method disclosed by the invention, the amount of the submerged plant communities of the lakeside wetland can be effectively controlled, and the stability of a plant cover in an eutrophic water body is maintained, so that the method is of great significance to ecological restoration of the eutrophic water body; moreover, the method disclosed by the invention is technically reliable, simple and feasible in operation and low in cost.

Description

technical field [0001] The invention belongs to the field of new environmental protection technologies, and in particular relates to a lakeside wetland submerged plant community reconstruction and water quality purification control method. Background technique [0002] Biodiversity is a necessary condition for maintaining the stability of the lake ecosystem and a prerequisite for maintaining the sustainability of the lakeside ecosystem. A large number of experiments have proved that the diversity of lakeside wetland plants is conducive to maintaining a high pollutant removal efficiency and performance stability of the system. A large number of terrestrial, wet and aquatic plants growing in lakeside wetlands can promote the deposition of suspended solids and intercept and purify pollutants. It can effectively intercept and purify sediment and other pollutants carried by surface runoff, and Through the "silt-promoting effect" and the "purification effect" of plants, tomb matt...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/32
CPCY02A40/22Y02W10/10
Inventor 赵洪波吴睿陈丹洪超
Owner NANJING INST OF ENVIRONMENTAL SCI MINIST OF ECOLOGY & ENVIRONMENT OF THE PEOPLES REPUBLIC OF CHINA
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