A method for repairing alpine degraded grassland

By digging trenches in alpine grasslands and putting biological sandbags and spraying bio-scutellar seed sources, the reproduction of black moss and peat moss produces organic acids, the problem of degradation of alpine grasslands is solved and the rapid restoration and ecological restoration of grasslands are achieved.

CN117121677BActive Publication Date: 2025-09-02NORTHWEST INST OF PLATEAU BIOLOGY CHINESE ACAD OF SCI
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Patent Information

Application Number
CN202311123737.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-09-01
Publication Date
2025-09-02
Estimated Expiration
2043-09-01

AI Technical Summary

Technical Problem

Alpine grasslands have been severely degraded due to factors such as human interference and global warming. The existing methods of preventing poisonous weeds are time-consuming and labor-intensive, environmental pollution may be difficult to promote, and there is a lack of effective repair methods.

Method used

After the poisonous weeds in the alpine grassland wither, dig trenches along the concentrated area of ​​poisonous weeds and put them in biological sandbags. The surface of the sandbags is sprayed with bio-skin seeds, backfill the soil and lay sand barriers. The biological sandbags are made of specific raw materials, including AM bacteria agents, red bean seeds, etc., and use black moss and peat moss to reproduce to produce organic acids, competing for the living space of toxic weeds.

Benefits of technology

Effectively inhibit the growth of toxic weeds, improve the diversity of grassland ecosystems, restore the ecological and production functions of grasslands, and are environmentally friendly.

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Abstract

This invention discloses a method for restoring degraded alpine grasslands, belonging to the field of ecosystem restoration technology. The method involves preparing bio-sandbags, digging trenches in areas where noxious weeds grow, placing the bio-sandbags in the trenches, spraying the surfaces of the bio-sandbags with biocrust seed, then backfilling the bio-sandbags with soil from the trenches, compacting the soil, and laying sand barriers to restore the alpine degraded grasslands. This method can reduce the competitiveness of noxious weeds, inhibit their growth, and enhance ecosystem diversity without causing pollution or damage to the environment, thereby effectively restoring degraded grasslands in alpine regions with noxious weeds.
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