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A Multi-Objective Scenario Study of County Land Use in Loess Hilly Areas: Taking Lintao County as an Example

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  • Zhanfu Luo

    (School of Geography and Environmental Sciences, Northwest Normal University, Lanzhou 730070, China)

  • Wei Zheng

    (School of Geography and Environmental Sciences, Northwest Normal University, Lanzhou 730070, China)

  • Juanqin Liu

    (School of Geography and Environmental Sciences, Northwest Normal University, Lanzhou 730070, China)

  • Jin Wang

    (School of Geography and Environmental Sciences, Northwest Normal University, Lanzhou 730070, China)

  • Xue Bai

    (School of Geography and Environmental Sciences, Northwest Normal University, Lanzhou 730070, China)

Abstract

Land use serves as a connecting link between human activities and the natural ecology of the surface; under the multi-objective background of national policies and dual-carbon tasks, land use transformation is studied and simulated in multiple scenarios, and carbon stock changes are analyzed based on future land use to explore the path for a region to achieve multi-objective coordination. Drawing upon land use data from 2000 to 2020 in Lintao County, Gansu Province, we conducted an in-depth analysis of the dynamics governing land use transformation. Subsequently, employing the FLUS (Future Land Use Simulation) model, we simulated the projected land use for Lintao County in 2035 under various scenarios. Furthermore, we utilized the InVEST (Integrated Valuation of Ecosystem Services and Trade-offs) model to assess the change in carbon stock within the study area under each scenario. These analyses aim to furnish a robust scientific foundation for future land use planning endeavors in Lintao County. The conclusions are as follows: (1) The land use transition in Lintao County from 2000 to 2020 showed the strongest motivation for construction land growth, with continued rapid growth in the scale of urban land and other construction land and relatively slow growth in the land for rural settlement areas, while cropland and water areas continued to decrease, forest land grew slowly, the magnitude of land use change exhibited a higher intensity in river townships compared with mountainous townships. (2) The simulation results of cropland protection scenario (CPS), ecological protection scenario (EPS), economic development scenario (EDS), and comprehensive development scenario (CDS) in 2035 are better. Among them, the CDS, which considers various types of higher-level strategic requirements and can compensate for the single-goal nature of the single-demand scenario, demonstrates a higher level of rationality in the land use pattern. (3) The total carbon stock in descending order is the EPS, CDS, EDS, and CPS. Among these, the CDS is at a higher level of total carbon stock, and the changes in carbon stock in each land use site are more balanced, which is an ideal carbon stock state and a scenario more in line with multi-objective coordination.

Suggested Citation

  • Zhanfu Luo & Wei Zheng & Juanqin Liu & Jin Wang & Xue Bai, 2024. "A Multi-Objective Scenario Study of County Land Use in Loess Hilly Areas: Taking Lintao County as an Example," Sustainability, MDPI, vol. 16(8), pages 1-23, April.
    • Handle: RePEc:gam:jsusta:v:16:y:2024:i:8:p:3178-:d:1373360
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    References listed on IDEAS

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    1. Kai Zhu & Yufeng Cheng & Weiye Zang & Quan Zhou & Youssef El Archi & Hossein Mousazadeh & Moaaz Kabil & Katalin Csobán & Lóránt Dénes Dávid, 2023. "Multiscenario Simulation of Land-Use Change in Hubei Province, China Based on the Markov-FLUS Model," Land, MDPI, vol. 12(4), pages 1-27, March.
    2. Opelele Omeno Michel & Ying Yu & Wenyi Fan & Tolerant Lubalega & Chen Chen & Claude Kachaka Sudi Kaiko, 2022. "Impact of Land Use Change on Tree Diversity and Aboveground Carbon Storage in the Mayombe Tropical Forest of the Democratic Republic of Congo," Land, MDPI, vol. 11(6), pages 1-19, May.
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