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Land-Use Transformation and Landscape Ecological Risk Assessment in the Three Gorges Reservoir Region Based on the “Production–Living–Ecological Space” Perspective

Author

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  • Tian Liang

    (College of Public Management, Chongqing Finance and Economics College, Chongqing 401320, China
    Institute of Green Development, Chongqing Finance and Economics College, Chongqing 401320, China)

  • Fei Yang

    (College of Public Management, Chongqing Finance and Economics College, Chongqing 401320, China
    Institute of Green Development, Chongqing Finance and Economics College, Chongqing 401320, China)

  • Dan Huang

    (College of Public Management, Chongqing Finance and Economics College, Chongqing 401320, China)

  • Yinchen Luo

    (Institute of Green Development, Chongqing Finance and Economics College, Chongqing 401320, China
    College of Economics, Chongqing Finance and Economics College, Chongqing 401320, China)

  • You Wu

    (Chongqing United Equity Exchange Group Co., Ltd., Chongqing 401121, China)

  • Chuanhao Wen

    (College of Economics, Yunnan University, Kunming 650091, China)

Abstract

Rapid urbanization and land-use change cause risk in regional ecological security. It is very significance to explore the evolutionary trend of land-use change and landscape ecological risk (LER) in an ecologically fragile area, especially in terms of maintaining sustainable development in a regional ecological environment. We selected the Three Gorges Reservoir Region (TGRR) as the study area based on land-use and land-cover data for 2000, 2010, and 2020. The land-use classification system used here was constructed using the perspective of the production–living–ecological space (PLES). The GIS spatial-analysis technique and FRAGSTATS 4 software were used. We used the method of the land-use transfer matrix, the landscape ecological risk assessment model, the ecological contribution rate of land-use transfer, and spatial autocorrelation analysis. We performed quantitative analysis of the spatio-temporal pattern of PLES and its LER in the TGRR over the past 20 years. The results show that: (1) The area of human living space (HLS) has expanded significantly—by 1469.37 km 2 (+326.66%), while the area of agricultural production space (APS) has been compressed by both the urban/rural living space (URLS) and the forestland ecological space (FES), particularly during the last 10 years; (2) The overall LER results were medium, but LER is increasing; (3) The LER in the northern area of the Yangtze River is higher than in the south. The Wanzhou district and the downstream areas had a lower LER; and (4) The transformation from agricultural production space to forestland ecological space and urban/rural living space has had a higher contribution rate to the LER compared to other events. These results can be used as a reference for land planning, sustainable development, and ecological civilization construction in ecologically fragile areas.

Suggested Citation

  • Tian Liang & Fei Yang & Dan Huang & Yinchen Luo & You Wu & Chuanhao Wen, 2022. "Land-Use Transformation and Landscape Ecological Risk Assessment in the Three Gorges Reservoir Region Based on the “Production–Living–Ecological Space” Perspective," Land, MDPI, vol. 11(8), pages 1-13, August.
    • Handle: RePEc:gam:jlands:v:11:y:2022:i:8:p:1234-:d:880078
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    References listed on IDEAS

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    1. Bohao Cui & Yili Zhang & Zhaofeng Wang & Changjun Gu & Linshan Liu & Bo Wei & Dianqing Gong & Mohan Kumar Rai, 2022. "Ecological Risk Assessment of Transboundary Region Based on Land-Cover Change: A Case Study of Gandaki River Basin, Himalayas," Land, MDPI, vol. 11(5), pages 1-22, April.
    2. Chunfen Zeng & Jun He & Qingqing He & Yuqing Mao & Boya Yu, 2022. "Assessment of Land Use Pattern and Landscape Ecological Risk in the Chengdu-Chongqing Economic Circle, Southwestern China," Land, MDPI, vol. 11(5), pages 1-17, April.
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    Cited by:

    1. Mingyan Ni & Yindi Zhao & Caihong Ma & Wenzhi Jiang & Yanmei Xie & Xiaolin Hou, 2023. "Spatial Identification and Change Analysis of Production-Living-Ecological Space Using Multi-Source Geospatial Data: A Case Study in Jiaodong Peninsula, China," Land, MDPI, vol. 12(9), pages 1-27, September.
    2. Ying Xia & Jia Li & Enhua Li & Jiajia Liu, 2023. "Analysis of the Spatial and Temporal Evolution and Driving Factors of Landscape Ecological Risk in the Four Lakes Basin on the Jianghan Plain, China," Sustainability, MDPI, vol. 15(18), pages 1-21, September.
    3. Kangwen Zhu & Dan Song & Lanxin Zhang & Yong He & Sheng Zhang & Yaqun Liu & Xiaosong Tian, 2023. "Evolving Trends and Influencing Factors of the Rural Green Development Level in Chongqing," Land, MDPI, vol. 12(7), pages 1-17, July.
    4. Huaijun Wang & Ru Feng & Xinchuan Li & Yaxue Yang & Yingping Pan, 2023. "Land Use Change and Its Impact on Ecological Risk in the Huaihe River Eco-Economic Belt," Land, MDPI, vol. 12(6), pages 1-15, June.

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