RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN >> 2023, Vol. 32 >> Issue (5): 973-984.doi: 10.11870/cjlyzyyhj202305008

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Changing Characteristics of Land Use and Their Driving Attribution in Village Areas Under Different Rural Revitalization Paths: A Case of Two Villages in Jiangjin District, Chongqing

XIANG Zi-quan1,LIU Feng1,TANG Yu-ting1,WANG Jiang-hai1,LAI Jia-xin1,ZHANG Ning-yin1,LIU Ying2   

  1. (1.College of Resources and Environment, Southwest University, Chongqing 400715, China;2.Chongqing Municipal Environmental Sanitation Monitoring Center, Chongqing 401121, China)
  • Online:2023-05-20 Published:2023-05-19

Abstract: Exploring the changing characteristics of land use over time and space and their driving attribution in village areas under different rural revitalization paths is of great importance for optimizing land-use patterns and formulating rural revitalization paths. Two administrative villages with similar topography and geomorphology, close historical development but quite different rural revitalization paths-Fangyin and Hengshan villages in the shallow hill valley area of the Yangtze River Basin are taken as examples. Based on unmanned aerial vehicle (UAV) aerial surveys and multi-period Google Earth satellite images, the land-use shifts, expansion patterns of core land, binary changes of parcel attributes and parcel boundaries at the pixel level were synthesized to explore the characteristics of land-use change in the two villages from 2017-2021. Along with a geodetector model was introduced to quantify the drivers from various aspects such as natural, socio-economic and policy factors. The results show that: (1) Both villages underwent a dramatic land-use change process during the study period, mainly spreading expansion of the orchard. Fangyin and Hengshan villages respectively formed the development pattern of integrated agro-tourism and integrated agroforestry, and the land-use change process in Fangyin was more diverse and balanced than in Hengshan. (2) At the pixel level, both parcel attributes and parcel boundaries changed dramatically in Fangyin, and there was a significant spatial clustering effect between the two at over 50% of the village area, while only parcel attributes changed obviously in Hengshan, and the degree of parcel boundary change was overall lower than in Fangyin. (3) Land-use change in village area is influenced by the interaction of multiple factors, such as natural, socio-economic and policy factors. There are differences in types of drivers and the strength they can explain to land-use change in the village area under different rural revitalization paths. In the case of Fangyin, which has a clear policy zoning drive, policy factors occupy a dominant explanatory effect, while natural factors explain more in Hengshan, which has no clear policy zoning.

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