Geographical Research, Volume. 39, Issue 7, 1667(2020)

Methods for reconstructing historical grassland cover across western China: A case study in Gansu, Ningxia, Qinghai and Xinjiang

Fan YANG1...2, Fanneng HE1,*, and Meijiao LI13 |Show fewer author(s)
Author Affiliations
  • 1Key Laboratory of Land Surface Pattern and Simulation, Institute of Geographic Sciences and Natural Resources Research, CAS, Beijing 100101, China
  • 2University of Chinese Academy of Sciences, Beijing 100049, China
  • 3College of Resources and Environment, Shanxi University of Finance and Economics, Taiyuan 030006, China
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    Figures & Tables(8)
    Scheme for reconstructing historical grassland cover across western China
    Flow chart for establishing the potential distribution extent of grassland vegetation without land reclamation
    Grassland cover of Gansu, Ningxia, Qinghai and Xinjiang at a 10-km resolution
    Changes in grassland area of Gansu, Ningxia, Qinghai and Xinjiang from 1661 to 1980
    Net changes of grassland cover in Gansu, Ningxia, Qinghai and Xinjiang from 1661 to 1980
    The spatial patterns of our reconstruction, remote sensing-derived grassland cover in 1980, and the differences between them
    • Table 1. [in Chinese]

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      Table 1. [in Chinese]

      本文重建遥感数据绝对差异值
      全区103.14102.750.39
      新疆48.3448.41-0.07
      青海37.3037.53-0.23
      甘宁17.5016.810.69
    • Table 2. Statistical classifications of differences of our reconstruction with remote sensing-derived grassland cover in 1980 (%)

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      Table 2. Statistical classifications of differences of our reconstruction with remote sensing-derived grassland cover in 1980 (%)

      绝对差异值-100~-90-90~-80-80~-70-70~-60-60~-50-50~-40-40~-30-30~-20-20~-10-10~0
      网格占比1.011.021.041.111.311.512.012.563.9143.47
      绝对差异值0~1010~2020~3030~4040~5050~6060~7070~8080~9090~100
      网格占比27.274.362.871.941.420.910.720.550.510.50
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    Fan YANG, Fanneng HE, Meijiao LI. Methods for reconstructing historical grassland cover across western China: A case study in Gansu, Ningxia, Qinghai and Xinjiang[J]. Geographical Research, 2020, 39(7): 1667

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    Paper Information

    Received: Jul. 11, 2019

    Accepted: --

    Published Online: Apr. 23, 2021

    The Author Email: HE Fanneng (hefn@igsnrr.ac.cn)

    DOI:10.11821/dlyj020190588

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