Remote Sensing Technology and Application, Volume. 40, Issue 2, 442(2025)

Changes in Habitat Quality and Carbon Storage in the Aksu River Basin

Author Affiliations
  • School of Ecology and Applied of Meteorology, Nanjing University of Information Science and Technology, Nanjing210044, China
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    Figures & Tables(13)
    Schematic diagram of the Aksu River Basin and the Kekeya Greening Project
    Spatial distribution of habitat quality in the Aksu River Basin in 2000~2020
    Spatial distribution of habitat quality in the Kekeya Greening Project in 2000~2020
    Spatial distribution of carbon storage in the Aksu River Basin in 2000~2020 and Spatial change of carbon storage from 2000 to 2020
    Spatial distribution of carbon storage in the Kekeya Greening Project in 2000、2010、2020 and Spatial change of carbon storage from 2000 to 2020
    Habitat quality and Carbon storage impact factor interactive thermal map
    • Table 1. Threat factors and their weight

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      Table 1. Threat factors and their weight

      威胁因子最大影响距离/km威胁权重衰减类型
      城镇用地80.8指数
      农村居民点60.6指数
      其他建设用地70.7指数
      未利用地40.4线性
    • Table 2. Sensitivity of various land use types to each threat factors

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      Table 2. Sensitivity of various land use types to each threat factors

      土地利用类型

      生境

      适宜度

      威胁因子

      城镇

      用地

      农村

      居民点

      其他

      建设用地

      未利

      用地

      耕地0.60.80.60.70.4
      有林地10.90.70.80.5
      灌木林10.80.70.70.5
      疏林地0.90.90.70.80.5
      其他林地0.80.90.80.80.5
      高覆盖草地0.850.70.70.70.7
      中覆盖草地0.750.750.750.750.7
      低覆盖草地0.50.80.80.80.7
      水域10.60.70.70.5
      高山冰川雪地0.20.10.10.20.2
      城镇用地00000
      农村居民点00000
      其他建设用地00000
      未利用地0.20.60.50.60
      盐碱地0.10.50.450.60
      沼泽地0.60.20.20.30
    • Table 3. Carbon density table of various parts of land use in the Aksu River Basin (t/hm<sup>2</sup>)

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      Table 3. Carbon density table of various parts of land use in the Aksu River Basin (t/hm<sup>2</sup>)

      土地类型地上碳密度

      地下碳

      密度

      土壤碳密度死亡有机物碳密度
      耕地2.492.9681.601.24
      林地26.577.84120.452.48
      草地0.423.6982.750.22
      水域0.550.390.000.00
      建设用地1.941.2511.900.00
      未利用地0.390.7537.000.00
    • Table 4. Proportion of habitat grade area in Aksu River Basin from 2000 to 2020

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      Table 4. Proportion of habitat grade area in Aksu River Basin from 2000 to 2020

      年份中等较高
      2000年12.92%67.35%11.97%7.75%
      2010年13.20%67.80%8.61%10.39%
      2020年9.99%72.32%10.09%7.61%
    • Table 5. Land use types conversion and its carbon storage changes in the Aksu River Basin from 2000 to 2020(×10<sup>6</sup> t)

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      Table 5. Land use types conversion and its carbon storage changes in the Aksu River Basin from 2000 to 2020(×10<sup>6</sup> t)

      土地类型耕地林地草地水域建设用地未利用地
      耕地0.00-4.490.231.401.044.84
      林地2.000.006.410.780.152.00
      草地-0.03-4.920.005.350.0425.24
      水域-0.30-0.85-2.710.00-0.00-0.96
      建设用地-2.04-0.22-0.230.000.00-0.17
      未利用地-0.33-3.64-21.135.720.010.00
      小计-0.70-14.12-17.4313.251.2430.95
    • Table 6. Correlation between habitat quality and carbon storage

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      Table 6. Correlation between habitat quality and carbon storage

      2000年2010年2020年
      生境质量—碳储量0.60**0.51**0.68**
    • Table 7. Factor detection results of influencing in habitat quality and carbon storage

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      Table 7. Factor detection results of influencing in habitat quality and carbon storage

      年均气温年降水量年蒸发量NDVIGDP人口密度土地利用类型
      生境质量0.260.260.190.580.100.070.89
      碳储量0.280.230.200.250.040.300.54
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    . Changes in Habitat Quality and Carbon Storage in the Aksu River Basin[J]. Remote Sensing Technology and Application, 2025, 40(2): 442

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    Paper Information

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    Received: Aug. 22, 2023

    Accepted: --

    Published Online: May. 23, 2025

    The Author Email:

    DOI:10.11873/j.issn.1004-0323.2025.2.0442

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