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Eco-Asset Variations and Their Driving Factors in the Qinghai–Tibet Plateau, China, under the Context of Global Change

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  • Xingming Yuan

    (School of Architecture and Information Engineering, Shandong Vocational College of Industry, Zibo 256414, China
    School of Civil Engineering and Geomatics, Shandong University of Technology, Zibo 255000, China)

  • Bing Guo

    (School of Civil Engineering and Geomatics, Shandong University of Technology, Zibo 255000, China
    Key Laboratory of National Geographic Census and Monitoring, Ministry of Natural Resources, Wuhan 430072, China)

  • Miao Lu

    (Key Laboratory of Agricultural Remote Sensing, Ministry of Agriculture and Rural Affairs/Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing 100081, China)

  • Wenqian Zang

    (Research Institute of Aerospace Information, Chinese Academy of Sciences, Beijing 100101, China
    Langfang Research and Development Center for Spatial Information Technology, Langfang 065000, China)

  • Chuan Liu

    (Langfang Research and Development Center for Spatial Information Technology, Langfang 065000, China)

  • Baoyu Wang

    (Langfang Research and Development Center for Spatial Information Technology, Langfang 065000, China)

  • Xiangzhi Huang

    (Research Institute of Aerospace Information, Chinese Academy of Sciences, Beijing 100101, China
    Langfang Research and Development Center for Spatial Information Technology, Langfang 065000, China)

Abstract

The Qinghai–Tibet plateau (QTP), as the “roof of the world” and the “Asian Water Tower”, provides important ecological resources for China and other Asian countries. The changing trend of ecological assets and their dominant influencing factors in different sub-regions and periods are not yet clear. In order to reveal the differences in driving mechanisms among sub-regions under the context of global changes, this study quantitatively analyzed the ecological assets and their spatial and temporal evolution patterns during 2000–2015 by using the value equivalent method. Then, the Geodetector was introduced to reveal and clarify the dominant factors of ecological asset changes in different ecological sub-regions. The results show the following. (1) From 2000 to 2010, the total value of ecological assets in Nakchu County was the highest, followed by Kangding County, while that in 2015 was the highest in Kangding County, followed by Nakchu County. (2) During 2000–2015, the average value of ecological assets of the Qinghai–Tibet plateau gradually decreased from east to west, while the average ecological asset value in the southern Qinghai–Tibet plateau was lower. (3) The QTP showed the highest value in 2005 with an increasing trend from 2000 to 2005, followed by a subsequent decrease from 2005 to 2015. (4) Between 2000 and 2015, the area of the stable zone (slight or no change) of ecological assets was the largest, followed by that of the decreasing zone. (5) During all the study period, the spatio-temporal evolution of ecological assets in different ecological sub-regions was mainly affected by natural factors, which were the main driving variables rather than human activities. These results could provide important support for decisions regarding the protection of ecosystems and resources in the Qinghai–Tibet plateau.

Suggested Citation

  • Xingming Yuan & Bing Guo & Miao Lu & Wenqian Zang & Chuan Liu & Baoyu Wang & Xiangzhi Huang, 2023. "Eco-Asset Variations and Their Driving Factors in the Qinghai–Tibet Plateau, China, under the Context of Global Change," Sustainability, MDPI, vol. 15(9), pages 1-17, May.
    • Handle: RePEc:gam:jsusta:v:15:y:2023:i:9:p:7466-:d:1138019
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    References listed on IDEAS

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