A kind of vegetation restoration method of alpine pine forest burned by fire

A technology of burning burned land and vegetation restoration, applied in leguminous plant cultivation, cultivation, agriculture, etc., can solve the problems of slow decomposition, unfavorable forest land renewal and succession, serious leaf leatherization, etc.

Active Publication Date: 2021-08-20
CHENGDU INST OF BIOLOGY CHINESE ACAD OF S
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Problems solved by technology

On the one hand, Quercus sichuanyunnanensis can provide a good microenvironment for subsequent germination of various tree species seedlings, avoiding them from harsh climatic conditions; In addition, it is evergreen and does not shed leaves, and the seedlings under the forest lack sufficient light to grow, and the leaves of Quercus sichuan-yunnan are seriously leathery, and decompose slowly after withering, and the seeds that fall on it cannot touch water and soil. It is very unfavorable to the renewal succession of forest land

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  • A kind of vegetation restoration method of alpine pine forest burned by fire
  • A kind of vegetation restoration method of alpine pine forest burned by fire
  • A kind of vegetation restoration method of alpine pine forest burned by fire

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Embodiment Construction

[0024] The invention belongs to the technical field of ecology, and specifically relates to a method for restoring alpine pine forests in burned areas. Taking the recovery of alpine pine forests in western Sichuan as an example, Quercus aquifolioides is used in this embodiment. Adopt other alpine oak varieties, also can reach technical effect of the present invention, and concrete recovery method step is:

[0025] (1) Recovery pretreatment

[0026] Quercus sichuanyunnanensis is one of the remaining tree species with the ability to sprout and regenerate in the burned land of alpine pine forests. It has the ability to rapidly sprout and grow, and can quickly change the microenvironment in the forest, which is an important factor determining the survival of alpine pine seedlings. Therefore, proper pruning of Quercus sichuanyunnanensis in the burned area can promote its rapid formation of surface cover and create a good microenvironment for the survival of seedlings in Mount Gaoso...

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Abstract

The invention belongs to the technical field of ecology, and in particular relates to a method for recovering vegetation in areas burned by Alpine pine (Pinus densata) forest fires. The method comprises the following steps: (1) Gradual pruning is carried out on sprouted branches of Quercus aquifolioides in the burned area, and the planting soil in the planting hole is mixed with loam, humus and water-retaining agent. (2) The selected shrub seeds are sown in the first stage, and the liquid mulch film diluted at a ratio of 1:50 is sprayed after sowing. (3) Sowing alpine pine seeds. (4) In July-August every year, spray with a mixed solution of brassin 0.05mg-0.1mg / L + cytokinin 0.6mg-1mg / L. The purpose is to make full use of the natural regeneration ability of local species, improve the survival rate and preservation rate of alpine pine, promote tillering, and make it form a multi-layered mixed forest as soon as possible.

Description

technical field [0001] The invention belongs to the technical field of ecology, and in particular relates to a method for restoring vegetation in burned areas of alpine pine forests. Background technique [0002] Alpine pine has strong adaptability and a wide distribution range. It is widely distributed in western Sichuan, southeastern Tibet and northwestern Yunnan. It is a positive tree species, mostly distributed on sunny and semi-sunny slopes. Alpine pine is a deep-rooted light-loving tree species that grows rapidly. It is obviously light-loving at the young tree (seedling) stage, and it is not tolerant to shade after about 4 years. It has no strict requirements on soil and is suitable for deep acidic soil, but it can also grow on alkaline soil and barren Lithocarpus soil. It has the characteristics of drought resistance, drought resistance, and barren resistance. [0003] Alpine pine generally produces a large number of seedlings in the next year after the fire. If the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G17/00A01G22/40
CPCA01G17/005A01G22/40
Inventor 伍小刚孙晓铭唐天文潘开文
Owner CHENGDU INST OF BIOLOGY CHINESE ACAD OF S
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