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Degraded lakeside wetland and restoration technology for ecological function thereof

A lakeside and wetland technology, applied in the direction of climate change adaptation, sustainable biological treatment, chemical instruments and methods, etc., can solve the problems of little effect and huge cost

Inactive Publication Date: 2010-06-09
CHINESE RES ACAD OF ENVIRONMENTAL SCI +2
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  • Summary
  • Abstract
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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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Embodiment Construction

[0016] According to the above design scheme, the present invention will be further described.

[0017] 1. Before restoring the natural wetland, carry out a large-scale investigation of the natural wetland vegetation around the lake. That is to investigate the type of plant community, plant species and the number of species in the community in the wetland. To lay the foundation for the screening of native species and the large-scale cultivation of seedlings for the restoration of wetland ecosystem.

[0018] 2. Carry out underwater topographic exploration in the research area to find out the nature, distribution law, formation age, genetic type, weathering degree of rock strata, and whether there are adverse geological phenomena of rock and soil layers; The distribution of rock and soil layers and their physical and mechanical properties; propose foundation types and bearing layer suggestions, provide bearing capacity of the bearing layer, and point out problems that should be ...

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Abstract

The invention discloses a degraded lakeside wetland and a restoration technology for the ecological function thereof, belonging to the field of environmental protection and biotechnology. On the basis of generally surveying the current situations of the natural wetland vegetation and plant community of the lakeside, the invention adopts the relative theories of vegetation ecology, restoration ecology and landscape ecology to construct the degraded wetland plant community; the water purification function of the plant is developed and the physical block function of the plant promotes the sediment of the suspended matter in water. Combined with the eco-engineering technology, the invention modifies the estuarine ecosystem by the interception function of the wave breaker, makes good use of the natural purification of the estuarine ecosystem and controls the nutrient input from the running water so as to restore the environmental value, ecology value and economic aesthetics value of the wetland. The restoration technology has the characteristics of strong operability, low cost, low maintenance cost, remarkable landscape value and economic value, and high water purification efficiency, and is suitable for the restoration and the water treatment of the natural wetland ecosystem of the lakeside in China.

Description

Technical field: [0001] The invention belongs to the field of environmental protection and biotechnology, and relates to the restoration of the natural wetland ecosystem of inland lakes by utilizing the theories and practical experience of plant ecology, restoration ecology and landscape ecology, and using the restored natural wetland to exert its environment, Ecological, economic and aesthetic value of the three aspects of the function. Background technique: [0002] As one of the main landscapes widely distributed around the world, wetlands account for about 6.4% of the earth's land area. As a kind of ecosystem, it is a transitional type between terrestrial ecosystem and aquatic ecosystem, so it has the characteristics of both aquatic and terrestrial ecology. The unique edge effect makes its structure and function more complicated. It is One of the most productive ecosystems on Earth is also one of the most important. [0003] Throughout the research history of lake wetl...

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 田自强郑丙辉张雷
Owner CHINESE RES ACAD OF ENVIRONMENTAL SCI
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