Stripped live plant fence type sand-barrier protection system planting method

A protection system and living sand barrier technology, applied in the fields of soil preparation, climate change adaptation, cultivation, etc., can solve the problems of difficult sandstorm environment ecological environment governance, dense plants, and high governance costs, and achieve the goal of reducing excessive water consumption in sandy land Effect

Inactive Publication Date: 2016-02-17
GANSU DESERT CONTROL RES INST
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

[0043] Aiming at the prior art 6) a sand-fixing method that uses a covering plate to guide the formation of plant sand barriers: the cost per unit area of ​​treatment is high, the plants are dense, the water consumption is high, and the control range is limited. Generally, the natural water content of arid sandy land cannot bear the load, and the control effect is limited;
[0044] Aiming at the prior art 7) a compound sand control method: it is only limited to the sandy land with good water conditions and light sandstorm damage, and the sand-blocking effect of herbal plants is poor, and the protection duration is short; it is difficult to popularize and apply in arid sandstorm areas;
[0045] Aiming at prior art 8) Suspended concrete block slab sand-retain...

Method used

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  • Stripped live plant fence type sand-barrier protection system planting method
  • Stripped live plant fence type sand-barrier protection system planting method

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Experimental program
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Effect test

Embodiment 1

[0078] The live sand barrier (living plant fence) system wind and sand resistance technology provided by the present invention is specifically as follows:

[0079] (1) Living sand barrier (living plant fence sand barrier) tree species selection and superior quality utilization plan:

[0080] The local sandy xerophytic shrubs in the local sandy area and the plants that have been domesticated in large numbers are the main selection objects. The requirements for tree species are:

[0081]1) Have a certain density and height of branches and leaves, such as Haloxylonammodendron (Mey.) Bge., which is commonly used in the sandy land in Hexi, Gansu, and Callignum mongolicum Turcz., which belong to the Middle East Xinjiang, capitulum or red-skinned varieties; Red sand (Reaumuriasoongorica), which is extremely drought-tolerant in the pseudo-Gobi environment of Northwest China; Amorpha fruticosa L., which has low branches and leaves, and Ulmus. The yellow willow (Salix.wilhelmsianaM.B.f...

Embodiment 2

[0149] The practical application of a kind of strip-shaped living sand barrier construction method provided by the present invention:

[0150] The implementation method of the sandstorm hazard prevention and control technology of the living sand barrier system. The prevention and control of the sandstorm hazard line of the Jiuquan Sanhe section of the Lanzhou-Xinjiang Railway has been carried out since 1994. The control area is a typical continental arid desert climate, with an average annual temperature of 7.3°C and an extreme minimum temperature of - 31.6°C, maximum temperature 38.1°C, annual precipitation 85mm, evaporation 2149mm, dry summer with little rain, dryness 6.73, strong sunshine; the main wind direction is northwest, and the annual average number of days with strong winds (≥11m / s) is 21.7 days; the soil in the test area It is sandy loam soil deposited by wind and sand, which belongs to the extension part of Badain Jaran Desert. The mechanical composition is 0.1-0.2...

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Abstract

The invention discloses a stripped live plant fence type sand-barrier protection system planting method, comprising the following steps: determining specific tasks and objectives of living sand-barrier protection; selecting living sand-barrier tree species; planting and designing before planting; firmly building and planting stripped sand; planting seedlings; using a living sand-barrier nursing method; and monitoring, supplementing, and improving functions. The method develops double sand-barrier protection advantages of high standing fences and plant sand-control through applying the technical scheme of living sand-barrier system combined design of specific blowing wind environment prevention regions and planting in real site. The method gives consideration on natural ecological restoration attribute of vegetation evolvement, and provides a novel ecological protective technology mode in which biological and mechanical measures are coordinated with each other. The method can satisfy the following protection functions: maintaining fragile water balance of inter-barrier natural sand, service life is more than 30 years, the sand-barrier protection system promotes quicksand to deposit in the prevention regions and overall sand surface is lifted, quicksand entry of a protected region is lower than 10% of sediment runoff of natural locality.

Description

technical field [0001] The invention relates to the technical field of windbreak and sand fixation, in particular to a method for building strip-shaped living plant fence-type sand barrier protection systems. Background technique [0002] The main characteristics of the sandstorm hazard area are: empty and dry sandy surface, windy and strong winds occur several times during the year, the sand material migrates with the wind, burying farmland, roads, and infrastructure, and encroaching on the normal human activity space. It is a sandstorm. It is also an important source of smog weather and a key area for the prevention and control of ecological and environmental disasters. [0003] The inland areas of northern China are dry and waterless, and the vast sandy wastelands are sparse in natural vegetation and seriously decayed, with poor surface stability. Wind and sand invade oases and towns, and sand and dust are polluted by the wind. These are the main environmental problems in...

Claims

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Application Information

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IPC IPC(8): A01G17/00A01B79/02
CPCA01B79/02A01G17/005Y02A40/22
Inventor 张大彪刘世增张逸君唐进年张凤春
Owner GANSU DESERT CONTROL RES INST
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