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Method for achieving sand stabilization of high-cold region through carex brunnescens

The technology of the brown scale carp and the carp scale is applied in the field of sand fixation of the carp brown scale in the alpine region, which can solve the problems such as the lack of research reports on the sand fixation of the carp brown scale, and achieve a good sand-fixing effect, shorten the sand-fixing period, and shorten the sand-fixing period. Effect

Inactive Publication Date: 2019-09-17
COLD & ARID REGIONS ENVIRONMENTAL & ENG RES INST CHINESE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, as the dominant species and constructive species of Maqu alpine grassland ecological management, there is no relevant research report on sand-fixing technology of Carex

Method used

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  • Method for achieving sand stabilization of high-cold region through carex brunnescens
  • Method for achieving sand stabilization of high-cold region through carex brunnescens
  • Method for achieving sand stabilization of high-cold region through carex brunnescens

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Embodiment example 1

[0030] Implementation Case 1 Phase 1

[0031] A. Collect the full-grained Carex sativa seeds at the mature stage, dry them under natural conditions, remove the impurities on the surface of the seeds, and use distilled water flotation or screen filtration to remove empty grains and damaged seeds, and then wash with water Then dry it and store it at -4°C for later use.

[0032] B. carry out potted seedling raising after carrying out the following treatment of Carex brown scale seeds: at normal temperature, with 98% H2SO4 after soaking seed 2.5min (or NaOH soaking seed 3.5h), change temperature at 25 / 5 ℃ (12h / 12h) And under the condition of avoiding light, soak in 150mg.L-1 gibberellin (GA3) for 24h for germination treatment; in the middle of April, build a simple greenhouse (sit north and face south), and grow Carex brown scale seeds through potted seedlings. rapid breeding.

[0033] C. In late May, select representative sand ridges on the mobile sand dunes as the research are...

Embodiment example 2

[0045] Implementation Case 2 Phase II

[0046] A. Collect the full-grained Carex sativa seeds at the mature stage, dry them under natural conditions, remove the impurities on the surface of the seeds, and use distilled water flotation or screen filtration to remove empty grains and damaged seeds, and then wash with water Finally, dry it and store it at -4°C for later use;

[0047] B. carry out pot seedling raising after carrying out the following treatment of Carex brown scale seed: at normal temperature, with 98% H 2 SO 4 After soaking the seeds for 2.5 minutes (or NaOH soaking for 3.5 hours), at 25 / 5°C (12h / 12h) under the condition of changing temperature and avoiding light, through 150mg.L -1 Gibberellin (GA 3 ) soaked for 24h to carry out germination treatment; in mid-April, a simple greenhouse was established (sit north and face south), and the rapid propagation of Carex brown scale seeds was carried out through potted seedling cultivation.

[0048] C. In late May, af...

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Abstract

The invention relates to a method for achieving sand stabilization of a high-cold region through carex brunnescens. The method comprises the steps that in a first stage, first carex brunnescens living sand barrier queues are planted with the spacing of 10-20 m in the lower middle portions of the two sides of a moving longitudinal dune in the direction perpendicular to prevailing wind; in a second stage, after the longitudinal dune is leveled off through wind erosion, second carex brunnescens living sand barrier queues are planted on a large scale with the spacing of 0.5-1.0 m on a wind erosion flat ground located in the middle, living sand barriers at the left and right sides are integrally connected through the second carex brunnescens living sand barrier queues, and then stable sand stabilization surfaces can be formed. According to the method, a technique of utilizing carex brunnescens for sand stabilization is provided for achieving ecological management and sand stabilization practice of desertified grassland in the high-cold region, the cost for sand prevention and control is reduced, the sand stabilization period is shortened, the sand control effect is improved, a solid foundation is laid for better utilizing resource plants carex brunnescens in the future, and a new research prospect is opened up for ecological restoration of the desertified grassland in the high-cold region.

Description

technical field [0001] The invention relates to the technical field of sand fixation in desertification, in particular to a sand fixation method for Carex brown scales in alpine regions. Background technique [0002] Known as the "No. 1 Grassland in Asia", the Yellow River Shouqu (Maqu) National Nature Reserve is located in the east of the Qinghai-Tibet Plateau, in Maqu County, Gannan Tibetan Autonomous Prefecture, Gansu Province. The largest and most representative alpine swamp wetland. The Yellow River surrounds Maqu County from the east, south and north, forming a huge "U"-shaped bend known as the first bend of the "Jiuqu Yellow River". Its unique geographical environment is indispensable for maintaining water resources and ecological security in the Yellow River Basin. substitute role. However, since the 1960s, due to the special geological, geomorphic conditions and climate elements and the rapid development of social economy, the ecological environment of the alpine ...

Claims

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Application Information

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IPC IPC(8): A01G22/00E02D3/00
CPCA01G22/00E02D3/00Y02A40/22
Inventor 康建军周宏周海周立峰
Owner COLD & ARID REGIONS ENVIRONMENTAL & ENG RES INST CHINESE
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