Spatial-temporal evolution and influencing factors of cultivated land in karst mountainous area

doi:10.14088/j.cnki.issn0439-8114.2024.04.010

Abstract

Abstract: The spatial-temporal evolution and influencing factors of cultivated land in the karst mountainous area were analyzed using kernel density and transfer matrix methods with cultivated land data of Zhenfeng County, Guizhou Province from 2010 to 2020 as the object. The results showed that from 2010 to 2020, the cultivated land area decreased from 56 754.16 hm² to 39 715.85 hm², a total decrease of 17 038.31 hm², and the degree of fragmentation increased. During the study period, cultivated land was mainly converted into forest and garden land, which mainly occurred in the central part of the study area around Baiceng Township, Lurong Township, and Lugong Township, followed by the continuous occupation of cultivated land by construction land, which accelerated the reduction of cultivated land area. Natural and social factors jointly influenced the distribution of cultivated land and its changes, and cultivated land was mainly distributed on slopes of 6° to 25° and within 100 m of the buffer zone of roads and settlements.

Key words: cultivated land, spatial-temporal evolution, influencing factors, karst mountainous area

CLC Number:

F301.24

SHI Hou-jun, WANG Hong, LAN An-jun, YANG En-lin. Spatial-temporal evolution and influencing factors of cultivated land in karst mountainous area[J]. HUBEI AGRICULTURAL SCIENCES, 2024, 63(4): 49-55.

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