| 1 | Water resources in Guyuan area is a kind of strategic economic resources and social public resources. | |
| 2 | Tissue structure from 8 different varieties in Guyuan city were observed. | |
| 3 | In this paper, the first part is based on the research and investigation in Ningxia, talking about the analysis of the current water situation and existing problems; | |
| 4 | Taking Guyuan as an example, the existing problems in the rural human settlements in Western China were analyzed. Combined with the local situations, the causes of the problem were analyzed. |
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