Method for promoting quick ecological restoration of moving dune

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...

AI Technical Summary

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.

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