Ecological restoration method for high-hydraulic load artificial lake lakeside zone

A technology for ecological restoration and lakeside belts, applied in water conservancy engineering, chemical instruments and methods, botanical equipment and methods, etc. Insufficient system understanding and other problems, to achieve the effect of reduced maintenance difficulty, easy access, and convenient maintenance

Active Publication Date: 2016-12-21
广州市水务科学研究院有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the above existing technologies still have the following deficiencies: First, the scope of application and conditions are relatively single, and the above technologies are respectively aimed at vertical revetment type, hard revetment belt, lakeside belt in arid areas, and conditions for digging ponds and stacking islands However, for urban artificial lakes and natural lakes of other types (such as slope revetment, soft revetment) or other areas (rainy areas in the south), especially for many large water areas, long shorelines, For urban artificial lakes and natural lakes with high hydraulic load, there are still many technical problems that cannot be solved in the ecological restoration of the lakeside zone
Secondly, the understanding of the lakeside ecosystem is not comprehensive enough. The above-mentioned technologies include biological methods such as microbial attachment (biological rope), terrestrial, wet, emergent, floating leaves, and submerged plant community reconstruction to carry out ecological restoration and purification. Water q...

Method used

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  • Ecological restoration method for high-hydraulic load artificial lake lakeside zone

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Embodiment 1

[0040] The ecological restoration method of a high-hydraulic-load artificial lake lakeside zone in this embodiment is to carry out ecological restoration on the water body in the lakeside zone with no black and odor phenomenon in the bottom mud and eutrophication and inferior Class V lakeside zone. The specific steps are as follows:

[0041] 1. Set up ecological enclosures

[0042] 1) Use a small hook machine to insert two rows of 5-meter-long pine piles into the water in a suitable area of ​​the lakeside. The depth of the pine piles inserted into the bottom mud is half of its own length to ensure stability. The distance between the same row of pine piles should not exceed 5 cm, and the distance between two rows of pine stakes (that is, the enclosure width) is 1 meter.

[0043] 2) Insert a 40cm-thick wooden plank upright on the inner side of the two rows of pine piles, and keep the height consistent with the pine piles. Finally, fill clay between the planks and compact them to...

Embodiment 2

[0064] The ecological restoration method of a high-hydraulic-load artificial lake lakeside zone in this embodiment is to carry out ecological restoration on the water body in the lakeside zone inferior to Class V with black and odorous sediment and eutrophication, and the specific steps are as follows:

[0065] 1. Set up ecological enclosures

[0066] 1) Use a small hook machine to insert two rows of 7-meter-long bamboo poles into the water in a suitable area of ​​the lakeside belt. The depth of the bamboo poles inserted into the bottom mud is half of its own length to ensure stability; The spacing between the rows of bamboo poles (i.e. the enclosure width) is 1 meter.

[0067] 2) Insert a 60cm-thick wooden plank upright on the inner side of the two rows of pine piles, and keep the height consistent with the bamboo pole. Finally, fill clay between the planks and compact them to dry.

[0068] 3) Two water inlets and outlets are installed on the bottom of the ecological enclosu...

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Abstract

The invention belongs to the technical field of water ecological restoration and discloses an ecological restoration method for a high-hydraulic load artificial lake lakeside zone. The method comprises the following steps: constructing an ecological enclosure zone in a proper area of the lakeside zone; capturing larger fishes in a water body of the ecological enclosure zone in a fishnet hauling manner, splashing tea bran to kill smaller fishes, fish roes and snails, completing cleaning, transplanting three kinds of plant seedlings such as dwarf eelgrass, hornwort and myriophyllum spicatum, throwing aquatic organism fries such as field snails, mussels, freshwater shrimps, chubs and snakeheads into the water body of the ecological enclosure zone within 1-2 months after growing of the transplanted plants, and finally, throwing high-efficiency compound bacteria into the water body of the ecological enclosure zone, thereby completing restoration. The method disclosed by the invention is obvious in ecological restoration effect and convenient to maintain, the water quality of the lakeside zone restored by the method disclosed by the invention can reach the surface water IV class standard, and the application prospects are good.

Description

technical field [0001] The invention belongs to the technical field of water ecological restoration, and in particular relates to an ecological restoration method for a lakeside zone of a high hydraulic load artificial lake. Background technique [0002] At present, my country's water pollution situation is still severe, the lake ecosystem is damaged, the eutrophication of the water body is serious, and the transparency of the water body is not high. Water ecological restoration is an important method for water pollution prevention and control. The lakeside belt is an important part of the lake ecosystem and an ecological barrier for the protection of lake reservoirs. The ecological restoration of the lakeside zone refers to the ecological restoration of the water-land ecotone of lakes and reservoirs. It is located in the transition zone between the buffer zone and the lake water body, and its core area is the variable amplitude zone between the high water level and the low ...

Claims

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Application Information

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IPC IPC(8): C02F3/32C02F3/34A01K61/00A01G33/00A01G1/00E02B3/10
CPCA01G33/00A01K61/00E02B3/10E02B3/108C02F3/325C02F3/327C02F3/341Y02A40/81Y02W10/10
Inventor 李志威余帆洋张明珠庞志研孟庆强钟铮刘浩韩洁春张金瑞胡凯浩
Owner 广州市水务科学研究院有限公司
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