土壤沙漠化
- 网络soil desertification
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历史时期河套地区农业开发与土壤沙漠化的关系
The Relationship Between Agricultural Exploitation and Desertification in the Great Bend of Huanghe River in History
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污水在防治沙尘暴和土壤沙漠化过程中的应用
About the Application of the Polluted Water in the Process of Defending the Sandstorm and the Desertification
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随着人口增多,生态环境条件恶化如土壤沙漠化等,导致粮食安全问题日益突出。
With the population explosion and environment worsening such as soil desertification , the food safety becomes eminent day by day .
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例如水土流失的加剧、土壤的沙漠化及贫瘠化及农业水旱灾害频繁等。
For example , increased soil erosion , desertification and impoverishment of the soil and frequent floods and droughts .
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他想给世界各地的居民再造这个超越时空的声音,同时他也要让大众了解土壤流失和沙漠化的问题。
He wants to re-create these timeless songs for urban dwellers the world over , and while he 's at it teach the public about soil erosion and deforestation .
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摘要土壤风蚀是沙漠化过程的重要组成过程和首要环节,是许多国家和地区需要解决的一个主要环境问题。
Wind erosion is the main inducement and an important process of desertification , and also , a main environmental problem needed to be controlled in many countries and areas .
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由于自然以及人类的不合理开发利用使得该区出现了诸多的生态问题,土壤盐渍化、沙漠化加剧,沙进人退的局面愈演愈烈。
Many ecological problems amid this area such as soil salinization , desertification and our setbacks caused by sands are more and more serious owing the nature and the unreasonable development and utilization of human .
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土壤风蚀是造成沙漠化的首要环节。
Soil wind erosion is the first tache of resulting in desertification .
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结果表明,人口膨胀、大面积开荒等导致的大规模、无节制地开采地下水,造成地下水水位下降、水质恶化,是30多年来民勤盆地土壤盐碱化、沙漠化迅速发展主要原因。
Since the late 1970s , massive and intemperate exploitation of groundwater in the whole irrigation district induced by population explosion and barren land reclaim are the main cause of high rate of soil salinization and sandy desertification .
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土壤盐渍化是除土壤侵蚀、沙漠化、退化和污染之外又一困扰人类生存和发展的问题。
Salinization of soil is another trouble of human survival and development except soil erosion , desertification , degradation and pollution .
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新疆的土地荒漠化有多种表现形式,土壤盐渍化、土壤风蚀、土地沙漠化等是重要的几种荒漠化类型。
There are several desertification types in Xinjiang , such as , soil salinization , soil erosion and land sandy desertification , and so on .