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- W2392401267 abstract "Land use/cover change (LUCC) is as a complex consequence of coupling effects of natural and anthropogenic factors, and forms driving forces for future environmental change and human livelihood alteration. Clarifying the main driving forces of LUCC is crucial for future land resources management based on recent land use change. The grassland region in North China is an elementary area not only for its sizable animal husbandry but also for its crucial location as a buffer zone in sheltering desertification for North China. In the present work, we investigated land use change and driving forces of Xilingol League, a prefectural level administration of Inner Mongolia Autonomous Region in this typical region. Types, area and spatial distribution of land use/cover change in Xilingol were derived from land use data of 1995 and 2000 interpreted from Landsat TM and ETM+ imageries by Chinese Academy of Sciences. The land use transition matrix was employed to analyze the quantity and direction of land use/cover change. Driving forces of land use/cover change selected by fully accounting for climate, topography, location, and human activity were screened and discriminated using Canonical Correspondence Analysis (CCA). Results show that the land use change varied with type, with the changed area accounting for 30% (59130 km2) in Xilingol from 1995 to 2000, among which 70 types of land use change were identified. Among all the land use types, the high-coverage grasslands changed most sharply converting to the low-/moderate-coverage grasslands, followed by the moderate coverage grasslands, which were replaced by the high-/ low coverage grassland, Grassland degradation and quality improvement coexisted spatially in Xilingol while the former was in excess of the latter in quantity. To obviate complicated calculation and reduce data redundancy, 15 land use change types with area over 1% of Xilingol League were introduced into CCA analysis. CCA ordination reveals that the selected driving forces accounted for 77.8% canonical effects of land use change, with the first CCA axis primarily representing the effect of land relief, and the second CCA axis showing distinct relationships with elevation and the TRASP index. Land relief, elevation, TRASP, mean annual precipitation, and the distance to the nearest settlement were the major drivers of the land use change in Xilingol League. Among all these factors, topographic factors, such as elevation, land relief, and relative slope position, played a prominent role in determining the spatial distribution of grassland and human activities over there." @default.
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- W2392401267 date "2011-01-01" @default.
- W2392401267 modified "2023-09-25" @default.
- W2392401267 title "Analysis of Land Use Change and Its Driving Force in Xilingol League" @default.
- W2392401267 hasPublicationYear "2011" @default.
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