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Study of the Morphological Characteristics of Cultivated Land in Semiarid Sandy Areas

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  • Xiangyu Zhao

    (College of Land Science and Technology, China Agricultural University, Beijing 100193, China)

  • Wenzhi Yan

    (College of Land Science and Technology, China Agricultural University, Beijing 100193, China)

  • Kaige Wang

    (College of Land Science and Technology, China Agricultural University, Beijing 100193, China)

  • Yan Xu

    (College of Land Science and Technology, China Agricultural University, Beijing 100193, China
    Key Laboratory of Agricultural Land Quality and Monitoring of Nature Resource, Beijing 100193, China)

  • Huihui Zheng

    (College of Land Science and Technology, China Agricultural University, Beijing 100193, China)

  • Zhiting Sang

    (College of Land Science and Technology, China Agricultural University, Beijing 100193, China)

Abstract

The unique natural geographical conditions and land use patterns in semiarid sandy areas have resulted in a distinct cultivated landscape. Identifying and classifying the morphological characteristics of cultivated land are key to improving land utilization efficiency. This study focuses on the semiarid sandy areas of China. We obtained information on cropland morphology by judging high-precision remote sensing images and landscape pattern analysis, and then determined the spatial clustering characteristics of different plot morphologies through local spatial autocorrelation analysis. The results are as follows: cultivated land can be classified into five main types: simple large plots, complex large plots, simple small plots, complex small plots, and scattered plots, and there are significant differences in morphology between eastern and western plots. In addition, different morphology types of plots formed a variety of aggregation patterns; clustered plots are surrounded by scattered plots, showing a staggered distribution pattern. Farmers and land managers can make more informed decisions regarding irrigation, fertilization, and crop selection, and this knowledge can provide a basis for further optimizing the layout of cultivated land, identifying fragmented cultivated land, and scientifically recovering farmland to ensure more scientific and refined classification management and zoning protection of cultivated land.

Suggested Citation

  • Xiangyu Zhao & Wenzhi Yan & Kaige Wang & Yan Xu & Huihui Zheng & Zhiting Sang, 2023. "Study of the Morphological Characteristics of Cultivated Land in Semiarid Sandy Areas," Land, MDPI, vol. 12(10), pages 1-13, September.
    • Handle: RePEc:gam:jlands:v:12:y:2023:i:10:p:1849-:d:1249672
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    References listed on IDEAS

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