Located in the basin-edge mountainous areas,Wuxi county has a land cover characterized by al-ternating deep mountain canyons and low hills and flat dams.Based on the analysis of year-end updated data from the national land survey,the land types at the end of 2016 and 2021 were divided into seven major types:grassland,urban-rural land,cultivated land,industrial and mining land,forest land,water area,and unused land.The dynamic degree and conversion matrix method of land use were used to analyze the chan-ges of land structure types in the county.The comprehensive index of land use degree was used to measure the level of land use in Wuxi county.The results show that the grassland area in Wuxi county decreased the most from 2016 to 2021 and had the fastest annual dynamic change rate.Although cultivated land is pro-tected by policy factors,it is still being transferred to rural-urban construction land.The land with high land use level in the county has been developed into rural-urban land,with an area of approximately 0.021 km2.Among the factors driving the transfer of land use types,socio-economic factors have the high-est degree of influence.
关键词
土地利用变化/土地利用程度/驱动因素/巫溪县
Key words
Land use change/Land use degree/Driving factors/Wuxi county
万方数据