Method for renovating zoology in lakeshore zone

A technology for ecological restoration and lakeshore zone, applied in chemical instruments and methods, sustainable biological treatment, biological water/sewage treatment, etc. The effect of improving transparency and improving resistance

Inactive Publication Date: 2005-01-12
INST OF AQUATIC LIFE ACAD SINICA
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  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Removing algae and controlling its growth are difficult problems in the restoration and protection of lakes and reservoirs. At present, there are three main types of technologies used in the world: ①Chemical methods: such as adding chemical agents to kill algae, adding iron salts to promote phosphorus precipitation, adding lime to denitrify, etc. , but it is easy to cause secondary pollution; ②Physical methods: dredging sediment, mechanical algae removal, diverting water to wash away silt, etc., but the symptoms are not cured; ③Ecological-biological methods: It is a new technology that has developed rapidly abroad in recent years. Water ecology - bioremediation technology is to restore the original appearance of nature according to the laws of nature itself, and strengthen the self-purification ability of nature to treat polluted water bodies. This is a logical pollution control idea for the harmonious coexistence of man and nature, and it is also an innovative technology. route
This method relies on natural recovery, and is not suitable for implementation in lakeshore areas with strong wind and waves and severe ecological damage.

Method used

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  • Method for renovating zoology in lakeshore zone

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Embodiment Construction

[0022] Attached below figure 1 The present invention is further described in detail.

[0023] According to attached figure 1 It can be seen that the restoration method of this kind of lakeshore zone is as follows:

[0024] 1. Select a location with a water depth of 80cm or 90cm or 100cm or 110cm inside the 200-mu coastal zone 1 in the test area, and delineate a water area of ​​15 mu;

[0025] 2. Choose 1-3 kinds of emergent plants: choose Cattail 7 that is relatively resistant to wind and waves, water onion 5 and Zizania 6 that are not resistant to wind and waves. Among them, Cattail 7 is more resistant to wind and waves and planted on the periphery of the emergent plant area to ensure its own survival. The rate is 80-90%, and it also ensures that the survival rate of Zizania 6 and Water Onion 5 in the emergent plant area reaches 80-90%; choose 1-5 kinds of submerged plants: Foxtail Algae 8, Erythera 9, and Malayan 10 sub-vegetables, 11 light-leaf sub-vegetables, and 12 gra...

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Abstract

The character is to delimit scope in deep water area at selected lake shore band at first, then to select plants, the third is to set plants row pitch, the fourth is to set anti-wave layer and fix wood pile, the fifth is to set wave-proof layer which is made by pilling wood pile at internal side of anti-wave player and fitting iron plate on the wood pile and float wave-proof layer which is made by polyfoam, the sixth is to set planting position of emergent aquatic plant and submerged plant, the seventh is maintenance.

Description

technical field [0001] The invention relates to ecological restoration of aquatic vegetation in the lakeshore zone, and more particularly relates to a method for ecological restoration of the lakeshore zone. It is suitable for ecological restoration of places where aquatic vegetation is seriously damaged in the lakeshore zone. Background technique [0002] Removing algae and controlling its growth are difficult problems in the restoration and protection of lakes and reservoirs. At present, there are three main types of technologies used in the world: ①Chemical methods: such as adding chemical agents to kill algae, adding iron salts to promote phosphorus precipitation, adding lime to denitrify, etc. , but it is easy to cause secondary pollution; ②Physical methods: dredging sediment, mechanical algae removal, diverting water to wash away silt, etc., but the symptoms are not cured; ③Ecological-biological methods: It is a new technology that has devel...

Claims

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Application Information

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IPC IPC(8): C02F3/32
CPCY02W10/10
Inventor 刘永定李伟沈银武刘幼平田广宇
Owner INST OF AQUATIC LIFE ACAD SINICA
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