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[1]HUANG Zhe,YANG Yanfen.Comparative Study on the Simulation of Spatial Patterns of Land Use in the Yanhe River Basin[J].Research of Soil and Water Conservation,2022,29(06):268-274,283.

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Comparative Study on the Simulation of Spatial Patterns of Land Use in the Yanhe River Basin

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 29 Number of periods: 2022 06 Page number: 268-274,283 Column: Public date: 2022-10-20

Title:: Comparative Study on the Simulation of Spatial Patterns of Land Use in the Yanhe River Basin

Author(s):: HUANG Zhe, YANG Yanfen; (State Key Laboratory of Soil Erosion and Dryland Agriculture on the Loess Plateau, Institute of Soil and Water Conservation, Northwest A&F University, Yangling, Shaanxi 712100, China)

Keywords:: land use/cover change; CA-Markov model; MCE model; logistic model; Yanhe River Basin

CLC:: F301.23

DOI:: -

Abstract:: To explore the law of land use evolution and future spatial pattern distribution in the Yanhe River Basin, based on the three phases of land use data of the Yanhe River Basin in 1986, 2000 and 2010, dynamic maps of land use spatial transfer, and area matrices of land use transition were used to analyse the temporal and spatial patterns of land use/cover change from 1986 to 2010 in the Yanhe River Basin. The Logistic-CA-Markov model and MCE-CA-Markov model were used to predict the spatial pattern of land use in the Yanhe River Basin in 2030, and the simulation results were compared and analysed. The results showed that cultivated land decreased obviously in the Yanhe River Basin from 1986 to 2010, with a decrease of 557.10 km², which was mainly converted to grassland, woodland and construction land. The area of woodland and grassland continued to increase, and the construction land expanded rapidly, increasing by 378.34 km², 136.97 km² and 48.17 km², respectively. The overall change of water and unused land area was not significant, and ecological restoration policy was the main factor affecting land use change in the Yanhe River Basin. Logistic-CA-Markov predicted that the cultivated land and grassland in the Yanhe River Basin will decrease obviously in 2030, while the construction land and woodland will increase greatly. This prediction result means that the demands for economic development of the basin are relatively high. In this situation, we should accurately grasp the relationship between regional economic development and resource utilisation, and formulate policies suitable for local development according to regional characteristics and local conditions. MCE-CA-Markov model predicted that the cultivated land, woodland, water area and construction land in the Yanhe River Basin will increase in 2030, and the increase in cultivated land will be the most obvious. This utilisation structure indicates that the economic development of the basin is relatively slow, and the protection of the environment will be realised. However, it is necessary to actively explore new land use structure and maximise resource advantages to fully realise sustainable development of economy and environment in the basin.

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Last Update: 2022-10-20