Human activities, including the utilization of water resources, the water and soil conservation, and land use, all contribute to the hydrologic drought of northwest China.

水资源的开发利用、水土保持以及土地利用等人类活动使得西北地区水文干旱进一步加剧。

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Providing informative wastewater, soil and land use publications and educational resources to the public since 1970.

该网站为公众提供自1970年以来废水，土壤和土地利用方面的出版物和教育资源。

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The region is close to Bohai Sea, where the high soil salinity, bad soil structure, and fragile entironment greatly restrict the effective use of land resources and ecological construction.

但该区濒临渤海，土壤含盐量普遍较高，土壤结构性差，生态环境脆弱，极大地限制了该区土地资源的有效利用和生态建设。

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