Gully erosion damages land resources and causes site off environmental problems.

切沟侵蚀不仅破坏土地资源，而且影响下游地区环境。

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Gully and slope land in towns are relatively difficult to develop and protect.

城镇内部冲沟坡地是开发和保护难度都较大的区域。

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Based on the land style quality structure, quantity structure, spatial structure and land use structure, the land structure and its characters in the gully area of Loess Plateau were analyzed.

从土地类型数量结构、土地质量结构、土地空间结构和土地利用现状结构入手，对黄土高原沟壑区的土地结构及特征进行了分析。

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