| GIS-based assessment of land suitability for optimal allocation in the Qinling Mountains, China | |
| Liu Y. S. ; Wang J. Y. ; Guo L. Y. | |
| 2006 | |
| 关键词 | GIS landforms optimal allocation Qinling Mountains suitability evaluation grassland |
| 英文摘要 | A GIS-based method was used to assess land suitability in the Qinling Mountains, Shaanxi Province of China through simultaneous consideration of physical features and current land use. Through interpretation of Landsat TM images and extensive field visits the area was modeled into 40 land types in five altitudinal zones (valleys and gullies, hillsides and terraces, foothills, mid-mountain, and sub-alpine mountain). Then, a suitability score was assigned to five physical factors (climate, hydrology, topography, soil, and vegetation). Next, their integrated overall suitability value scores were compared with the observed land cover to determine whether it should be reallocated a new use. Results showed that the five suitability classes of agriculture, forest, grassland, farmland-woodland, and scrub-pasture had altitudinal stratification and a total of 1151 km(2) (8.89%) of lands on the northern slopes of the Qinling Mountains had to be reallocated. To achieve this reallocation, 657 km(2) of arable land should be reduced, and forest, grassland and scrub-pasture increased by 615 km(2), 131 km(2) and 405 km(2), respectively. Implementation of these recommended land reallocations should help achieve suitable use of land resources and prevent land degradation. |
| 出处 | Pedosphere |
| 卷 | 16 |
| 期 | 5 |
| 页 | 579-586 |
| 收录类别 | SCI |
| 语种 | 英语 |
| ISSN号 | 1002-0160 |
| 内容类型 | SCI/SSCI论文 |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/23387]  |
| 专题 | 地理科学与资源研究所_历年回溯文献 |
| 推荐引用方式 GB/T 7714 | Liu Y. S.,Wang J. Y.,Guo L. Y.. GIS-based assessment of land suitability for optimal allocation in the Qinling Mountains, China. 2006. |
| 个性服务 |
| 查看访问统计 |
| 相关权益政策 |
| 暂无数据 |
| 收藏/分享 |
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。
修改评论