Characteristics and driving forces of land use change in the Yellow River basin from 1980 to 2015
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Abstract:
The changes in land use types, and the change rate of land use based on the land use data of six periods from 1980 to 2015in the Yellow River basin using a dynamic at titude index were analyzed.The transfer matrix was used to analyze the types and quant ities of land use transfer based on administrative partitions and the provinces within the basin during 1980-2000 and 2001-2015, and the main driving factors inf luencing land use were explored. The results showed tht: land use in the Yellow Rier basin has significant characteristics in terms of quantity and structure, grassland, dryland, and w oodland were the main land use types in the Yellow River basin, from 1980 to 2015, the area of dryland, grassland, water area, and unused land decreased by 1.60%,1.23%,6.66%, and 1.84%, respectively, the areas of paddy fields, woodland, and urban and rural land increased by 8.22%,2.53%, and 44.32% respectively; in terms of single land use type, the change rate of urban and rural land was the fastest, and the rest was relatively small; the land use transformation in the Yellow River basin was m ainly concent rated inthe middle and east, and the transformation was obvious in the middle and lower reaches of the provinces; climate change, population growth, and human economic development were the main driving factors of land use change in the Yellow River basin.
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