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gisbasedassessmentoflandsuitabilityforoptimalallocationintheqinlingmountainschina
Liu Yansui1; Wang Jieyong1; Guo Liying2
2006
Source Publicationpedosphere
ISSN1002-0160
Volume16Issue:5Pages:579
AbstractA 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.
Language英语
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/88981
Collection中国科学院地理科学与资源研究所
Affiliation1.中国科学院地理科学与资源研究所
2.陕西师范大学
First Author Affilication中国科学院地理科学与资源研究所
Recommended Citation
GB/T 7714
Liu Yansui,Wang Jieyong,Guo Liying. gisbasedassessmentoflandsuitabilityforoptimalallocationintheqinlingmountainschina[J]. pedosphere,2006,16(5):579.
APA Liu Yansui,Wang Jieyong,&Guo Liying.(2006).gisbasedassessmentoflandsuitabilityforoptimalallocationintheqinlingmountainschina.pedosphere,16(5),579.
MLA Liu Yansui,et al."gisbasedassessmentoflandsuitabilityforoptimalallocationintheqinlingmountainschina".pedosphere 16.5(2006):579.
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