Slope restoration device and method for desertification control

By combining sand barrier components and water collection and moisture retention components, the problem of low vegetation survival rate in desertification control is solved, achieving efficient utilization of rainwater and vegetation restoration, and is suitable for ecological restoration in arid and water-scarce areas.

WO2026026479A1 Publication Date: 2026-02-05SHANGHAI INVESTIGATION DESIGN & RES INST CO LTD
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Patent Information

Application Number
PCT/CN2025/106668
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-07-31
Filing Date
2025-07-02
Publication Date
2026-02-05

AI Technical Summary

Technical Problem

In desertification control, the survival rate of vegetation is low, mainly due to severe water loss and high wind speed, which makes it difficult for vegetation to survive. Existing technologies are unable to effectively utilize natural precipitation and reduce the rate of wind and sand.

Method used

Design a slope restoration device, including a sand barrier component and a water collection and moisture retention component. The sand barrier component is used to reduce wind speed and runoff velocity, while the water collection and moisture retention component is used to store rainwater and evaporate moisture under sunlight to increase humidity. Combined with the planting of living or mechanical sand barriers and drought-resistant vegetation.

Benefits of technology

It effectively collects rainwater, reduces soil erosion, improves vegetation restoration rate and survival rate, and is environmentally friendly, easy to construct, and suitable for ecological restoration in arid and water-scarce areas through the use of biodegradable materials.

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Abstract

Provided in the present application are a slope restoration device and method for desertification control. The slope restoration device is arranged on a slope and comprises a sand barrier assembly and a water collection and soil moisture conservation assembly, wherein the sand barrier assembly is configured to reduce wind speed and intercept wind-blown sand, and can reduce the runoff velocity and reduce water and soil loss on the slope surface during rainfall; and the water collection and soil moisture conservation assembly is configured to store rainwater, and under the action of light, water in the water collection and soil moisture conservation assembly transpires upwards, thereby increasing the humidity of the slope and promoting vegetation coverage and greening on the slope. The present application is suitable for ecological restoration of sandy slopes in arid and water-scarce regions, can effectively collect rainwater, especially rainstorm runoff, has significant effects on soil and water conservation and on reducing runoff erosion, can also intercept wind-blown sand to provide conditions for vegetation restoration, and can improve the survival rate in vegetation restoration. The present application uses degradable main materials and is more environmentally friendly, and can be mass produced, featuring high promotion potential and involving simple construction. The present application can be popularized and applied to almost-flat semi-fixed and fixed sandy lands by means of surface microtopographic modification.
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