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Method for restoring ecology of desertified land in arid region

A technology for ecological restoration and arid areas, applied in the field of ecological restoration, to achieve low cost, reduce the amount of dust raised, and prevent ground erosion

Active Publication Date: 2012-06-27
DUNHUANG ACAD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in 2006, we analyzed the environmental conditions of the extremely arid Gobi at the Mogao Grottoes in Dunhuang, and concluded that although the phreatic depth in this area exceeds 200m, there is still a water movement mechanism, and the water can move upward through water vapor and filmy water. submerged evaporation

Method used

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  • Method for restoring ecology of desertified land in arid region
  • Method for restoring ecology of desertified land in arid region
  • Method for restoring ecology of desertified land in arid region

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Abstract

The invention relates to a method for restoring ecology of a desertified land in an arid region. The method comprises the following steps of: selecting soil, covering a film under sand, watering to lead, and planting and seeding. On the basis of an underground water resource (newly discovered) and a raining infiltration rule in the arid region, submerged water under the dry soil and falling rain on the ground are fully used through mechanical grain selection, plastic film covering, water leading and specific planting and seeding, so the aim of restoring the ecological system of the desertified land for a long time is fulfilled. Experiments show that the method is reliable in technology, economic and practical; and in the long term, the ecology restoring effect is obvious.

Description

technical field [0001] The invention relates to a technique for ecological restoration of desertified land in arid areas by using groundwater and rainfall. Specifically, in desertified areas with drought and water shortage, comprehensive technologies such as sorting soil with different particle sizes, covering with plastic film under the sand, and water guidance can fully utilize underground diving and precipitation, and then realize the ecological restoration of desertified land. Purpose. It is mainly suitable for the ecological restoration of the Gobi Desert in extremely arid, arid and semi-arid regions. technical background [0002] Water is a precious resource for human survival, an extremely important ecological driving factor, and plays a very important role in the ecosystem. Water is extremely precious in arid areas and plays a decisive role in the survival of vegetation in arid desert areas. In areas where the phreatic depth is shallow, phreatic water plays an imp...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D3/00A01G1/00
Inventor 李红寿汪万福王金环
Owner DUNHUANG ACAD
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