Process for recovery of coastal natural wetland and multistage antisoil regulation and control technology therefor

A lakeside and wetland technology, applied in water conservancy projects, water conservancy engineering equipment, biological water/sewage treatment, etc., can solve the problems of low efficiency and huge cost.

Inactive Publication Date: 2006-12-20
CHINESE RES ACAD OF ENVIRONMENTAL SCI +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although a series of water environment treatment projects have been carried out, focusing on point source pollution control, the result is huge cost and little effect

Method used

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Experimental program
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Embodiment Construction

[0014] According to the above design scheme, the present invention will be further described.

[0015] 1. Before restoring the natural wetland, carry out a large-scale survey of the natural wetland vegetation in the lakeside zone. That is to investigate the type of plant community, plant species and the number of species in the community in the lakeside wetland. To lay the foundation for the screening of native species and large-scale cultivation of seedlings for wetland restoration.

[0016] 2. Due to the aggravation of the degree of eutrophication in the water body, the species of native submerged plants gradually disappeared, and the number of species decreased sharply. Therefore, with the help of field surveys and relevant historical data, the introduction and tissue culture of submerged plants were carried out in the laboratory to prepare for the need for a large number of seedlings in the process of restoring wetlands.

[0017] 3. According to the topographic condition...

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Abstract

The invention relates to a method for recovering the wetland of hurt lake, with plant biological theory, ecological theory, etc, wherein the invention can increase the lives of wetland system, and recover the natural wetland ecological system, to realize the self-maintenance function of natural wetland group. Therefore, via the metabolism, physical and chemical functions of wetland plant and soil, the organic and inorganic can be stop at the wetland system, while the harmful one is decomposed into innocuous one, to purify the water. The invention has low cost, and high purifying efficiency.

Description

Technical field: [0001] The invention belongs to the field of environmental protection and biotechnology, and relates to the recovery of damaged natural wetlands in the lakeside zone by using the theories and practical experience of plant ecology, restoration ecology and landscape ecology, and at the same time, using the restored wetlands to carry out eutrophication into lakes methods of water management. Background technique: [0002] The lakeside wetland is a protective barrier for the lake and an important part of a healthy lake ecosystem. It has the functions of intercepting and filtering, purifying water, maintaining biodiversity, and providing biological habitats. A lake without a lakeside zone is very fragile. The ecological restoration of the lakeside zone in the estuary area not only needs to restore the landscape ecological function of the natural wetland in the lakeside zone, but also requires the construction of an estuary zone ecosystem and enhanced water pollut...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02B1/00C02F3/32
CPCY02W10/10
Inventor 田自强郑丙辉
Owner CHINESE RES ACAD OF ENVIRONMENTAL SCI
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