The spatial and temporal change of land use in Nanning from 1990 to 2020

doi:10.14088/j.cnki.issn0439-8114.2024.02.021

Abstract

Abstract: In order to reveal the spatio-temporal changes of land use in Nanning City, the spatial-temporal evolution characteristics of land use in Nanning City from 1990 to 2020 were analyzed in depth by using geographic information system （GIS） technology and methods such as land use dynamics, degree of utilization and transfer matrix. The results showed that from 1990 to 2020, the changes of land use types in Nanning City were obvious, the overall speed of land use change was accelerated, the construction land and unutilized land increased and showed a growth rate, and the cultivated land, forest land, grassland and water area decreased and showed deceleration; the degree of land use in Nanning City was at a medium level, with the continuous disturbance and influence of human activities on the land, the level of land use degree showed a gradually increasing trend; during the 30 years, a total of 1 051.61 km² of land use types in Nanning City had been transferred, of which the construction land and unutilized land showed a net transfer in, and the cultivated land, forest land, grassland and water area showed a net transfer out.

Key words: land use, temporal and spatial changes, dynamics, degree of utilization, transfer matrix, Nanning City

CLC Number:

F301.24
P237

LUO Yuan-jia, LIANG Qing-xuan, LIU Hong, LIAO Dong-ping, LI Yue-lian. The spatial and temporal change of land use in Nanning from 1990 to 2020[J]. HUBEI AGRICULTURAL SCIENCES, 2024, 63(2): 128-136.

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