A degraded alpine meadow restoration material with water and heat balance

Abstract

The invention provides a degraded alpine meadow restoration material with a balance of water and heat, including a water-retention layer, a nutrient layer and a seed layer from bottom to top; the water-retention layer is: soil a and bentonite are mixed and stirred to form a slurry, poured into a mold, and pressed to dry. Form; the thickness of the water-retaining layer is 3cm~8cm; the nutrient layer is: cut the Elysium vulgaris and oat into long sections, add the fermented yak manure and chemical fertilizer, mix and stir with soil b to form a slurry, and pour it on the upper part of the layer, Natural drying to form; the thickness of the nutrient layer is 8cm-15cm; the seed layer is: stir and mix the seeds and soil c, and water the upper part of the nutrient layer to form; the thickness of the seed layer is 2cm-3cm. The repairing material of the invention can effectively solve the problem of water and heat loss from damaged patches in alpine meadows, can effectively maintain the balance of water and heat in the meadow layer, and is very promising for large-scale application in repairing damaged patches in alpine meadows.

Description

technical field [0001] The invention belongs to the technical field of degraded alpine meadow restoration materials, in particular to a degraded alpine meadow restoration material with water and heat balance. Background technique [0002] As the "third pole of the world", the Qinghai-Tibet Plateau has created a unique alpine ecosystem due to its high altitude. The alpine grassland on the Qinghai-Tibet Plateau accounts for about one third of the country’s grassland area. Alpine grassland is not only the basis for local animal husbandry and herdsmen’s life, but also has a variety of ecological functions such as: windbreak and sand fixation, water conservation, soil erosion prevention, climate regulation, maintenance Biodiversity and carbon sequestration are important ecological security barriers in my country and even Southeast Asia. The climatic conditions of the Qinghai-Tibet Plateau are harsh and the ecological environment is extremely fragile. Once damaged, it is difficult...

AI Technical Summary

Problems solved by technology

[0004] At present, the restoration of damaged alpine meadows mainly adopts the management measures of enclosing and prohibiting grazing. However, due to the slow conversion rate of material circulation in the alpine environment, it is difficult for damaged alpine meadows to recover on their own without the input of external material and energy.

The existing meadow restoration methods on the Qinghai-Tibet Plateau are mainly carried out by supplementary seeding and fertilization, and there are few artificial meadow layers, and the restoration methods of artificial meadow layers based on water and heat balance have not been reported.

Due to the extremely high altitude of the Qinghai-Tibet Plateau, strong radiation, large temperature differences, and easy aging of materials, vegetation blankets made of plant fibers have problems such as high cost, difficult transportation, and easy disintegration, and it is difficult to adapt to the promotion and application of the Qinghai-Tibet Plateau.

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