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Willow-leaf embankment habitat restoration method based on temporary nutrient storage

A restoration method and technology of willow-leaf embankment, applied in the fields of botanical equipment and methods, river regulation, water conservancy projects, etc., can solve the problems of easy collapse of sand embankments, difficult planting of aquatic vegetation, neglect of in-situ reconstruction of sand pits, etc. The effect of strengthening the growth foundation, enriching the ecological landscape, good ecological and social benefits

Inactive Publication Date: 2021-08-31
CHINA INST OF WATER RESOURCES & HYDROPOWER RES
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The matrix of the sand pit is soft, the sand embankment is easy to collapse, and it is difficult to plant aquatic vegetation and aquatic animals in the process of ecological restoration of the river, which seriously affects the restoration and reconstruction of the river ecosystem
The defect of the existing river ecological restoration technology is that it uses methods such as pulling through the sand pit and leveling the sand embankment to form a uniform sandy river course, ignoring the in-situ reconstruction of the sand pit, and giving up the various biological habitats

Method used

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  • Willow-leaf embankment habitat restoration method based on temporary nutrient storage
  • Willow-leaf embankment habitat restoration method based on temporary nutrient storage
  • Willow-leaf embankment habitat restoration method based on temporary nutrient storage

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Embodiment Construction

[0024] Embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0025] Such as figure 1 Shown, the present invention provides a kind of willow embankment habitat habitat restoration method based on temporary nutrient storage, comprising the following steps:

[0026] S1: Transform the current sand embankment in sequence to form a willow leaf-shaped sand embankment;

[0027] S2: Gabion edging is carried out on both sides of the willow-shaped sand embankment, willow branches are cut in the gabion, and incoming water is retained to carry nutrients to form a willow-leaf embankment habitat;

[0028] S3: Multi-layer reinforcement is carried out on the water-facing slope at the head of the willow embankment, and temporary storage of nutrients is carried out;

[0029] S4: Use the method described in steps S1 to S3 to carry out water retention and salt accumulation, and complete the habitat restoration of the willow bank hab...

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Abstract

The invention discloses a willow-leaf embankment habitat restoration method based on temporary nutrient storage. The method comprises the following steps that S1, the form of a current sand embankment is sequentially transformed to form a willow-leaf-shaped sand embankment; S2, gabion edging is conducted on the two sides of the willow-leaf-shaped sand embankment, willow branches are cut in gabions, nutrients carried by incoming water are retained, and a willow-leaf embankment habitat is formed; S3, multi-layer reinforcement is conducted on the embankment head upstream slope face of the willow-leaf embankment habitat, and temporary nutrient storage is conducted; and S4, water retention and salt accumulation are conducted through the method from the step S1 to the step S3, and willow-leaf embankment habitat restoration is completed. According to the willow-leaf embankment habitat restoration method, the current sand embankment is ecologically transformed on site, different forms of temporary nutrient storage areas are formed, the growth foundation of aquatic vegetation is enhanced, the quality of habitats for activities such as foraging, resting and enemy avoiding of aquatic animals is improved, and finally different forms of willow-leaf embankment habitats in river channels are formed.

Description

technical field [0001] The invention belongs to the technical field of ecological environment restoration, and in particular relates to a habitat restoration method for willow embankment habitat based on temporary nutrient storage. Background technique [0002] There are many sand pits left in the sandy river due to historical sand mining. The matrix of the sand pit is soft, the sand embankment is easy to collapse, and it is difficult to plant aquatic vegetation and aquatic animals in the process of ecological restoration of the river, which seriously affects the restoration and reconstruction of the river ecosystem. The defect of the existing river ecological restoration technology is that it uses methods such as pulling through the sand pit and leveling the sand embankment to form a homogeneous sandy river course, ignoring the in-situ reconstruction of the sand pit, and giving up various biological habitats. Contents of the invention [0003] The purpose of the present ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02B3/02E02B3/12A01G33/00
CPCA01G33/00E02B3/02E02B3/12E02B3/125
Inventor 黄钰铃杨青瑞薛万来彭文启周小国淦方茂陈文然惠二青张朋飞骆辉煌
Owner CHINA INST OF WATER RESOURCES & HYDROPOWER RES
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