Method for promoting quick ecological restoration of moving dune

A technology for ecological restoration and sand dunes, applied in the state restoration of mobile sand dunes in alpine regions, using a combination of mechanical measures and biological measures to promote the field of rapid ecological restoration of mobile sand dunes, which can solve problems that are difficult to apply directly, difficult to achieve, and slow in effect

Inactive Publication Date: 2014-02-05
甘肃省林业科学研究院
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Problems solved by technology

Although the mobile sand dune management technology is very mature in the arid area, it is difficult to apply it directly due to the special environmental conditions in the alpine area.
Mechanical sand barriers can completely fix the shifting sand dunes in a short period of time. However, if no biological measures are taken, the dunes may revive within 3 to 4 years. However, the initial effect of biological measures to fix quicksand is slow and sometimes even difficult to achieve.

Method used

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  • Method for promoting quick ecological restoration of moving dune

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Embodiment Construction

[0018] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0019] Stack sand barrier materials near the construction site. And set out according to the sand barrier specification of 1 m × 1 m, where the direction perpendicular to the dune contour line is the meridian line transect, and the direction along the dune contour line is the latitude line transect.

[0020] During the specific construction, construct the weft line sample line first, and then construct the warp line sample line, and stack the sand barrier materials near the construction site, and construct in order of height or material stacking distance from the upper part of the sand dune to facilitate material transportation, or Prevent construction workers from accidentally stepping on the well-laid sand barrier.

[0021] Lay wheatgrass or Elymus edulis vertically on the warp and weft sample lines, and place wheat straw or Elymus...

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Abstract

The invention discloses a plant-machine compound type sand barrier design method, namely a method for promoting quick ecological restoration of a moving dune. The method mainly consists of technologies of laying a line transect, laying a grass grid sand barrier, planting a plant living sand barrier, directly seeding the plant living sand barrier and the like. The design principle is that the grass grid sand barrier is laid first to fix drift sand, meanwhile the plant living sand barrier is planted and directly seeded, the plant sand barrier can continue to play a windproof and sand-stabilizing function after a mechanical sand barrier loses efficacy, and the comprehensive sand stabilization effect is good. The method solves the difficult problems in the past that the governing difficulty of the tall moving dune in a high and cold area is large, the plant cover is hard to recover, and the drift sand is hard to stabilize, explores a new ecological restoration mode for preventing serious sandy desertification, and is a quick ecological restoration method for the moving dune in the high and cold area.

Description

technical field [0001] The patent of the invention belongs to the technical field of sand prevention and control, and relates to a method for restoring the state of mobile sand dunes in alpine regions, specifically a method for promoting the rapid ecological restoration of mobile sand dunes by combining mechanical measures and biological measures. technical background [0002] In recent years, under the superimposed influence of various factors such as global climate change, overgrazing, rat infestation, and human disturbance, land desertification in alpine regions has developed from sporadic distribution to local contiguous contiguous areas, presenting a trend of rapid expansion, which has affected regional ecological functions. Significantly affected. Although the mobile sand dune management technology is very mature in the arid area, it is difficult to apply it directly due to the special environmental conditions in the alpine area. Mechanical sand barriers can completel...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D3/00A01G1/00
CPCY02A40/22
Inventor 陈文业李广宇赵明孙飞达魏强朱丽王芳张继强刘振恒邴丹珲刘冬皓
Owner 甘肃省林业科学研究院
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