Remote Sensing Technology and Application, Volume. 39, Issue 5, 1085(2024)

Evaluation Method and Application of River Physical Habitat Health in Hainan Island Rivers

Ziwei MA, Xiaodong MU, Taotao HAN, Jiceng XU, and Bowei CHEN
Author Affiliations
  • Hainan Research Academy of Environmental Sciences, Haikou570100,China
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    Figures & Tables(11)
    Basin division and ground survey site distribution in the study area
    Field investigation of river physical habitat(Survey date:2021.11)
    Area proportion of each ecosystem type
    Spatial distribution of basin ecosystem types
    Scores of physical habitat evaluation indexes of tributaries
    Analysis of physical habitat evaluation index in watershed
    The proportion of the number of rivers in each grade
    Spatial distribution of river physical habitat health levels
    • Table 1. Evaluation index system and weight of river physical habitat

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      Table 1. Evaluation index system and weight of river physical habitat

      目标层一级指标二级指标
      指标类型权重评估指标权重相关性*
      物理生境健康评估生态结构指数(B1)0.4植被覆盖度(C1)0.4
      自然岸线率(C2)0.4
      植被平均斑块面积(C3)0.2
      生态功能指数(B2)0.3污染阻滞功能指数(C4)0.5
      生物多样性保护功能指数(C5)0.5
      生态压力指数(B3)0.3人为干扰指数(C6)0.4
      景观破碎度(C7)0.3
      河道连通性指数(C8)0.3
    • Table 2. Types of river blocking structures and barrier coefficient

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      Table 2. Types of river blocking structures and barrier coefficient

      类型阻隔特征阻隔系数
      水电站引水式0.50
      闸坝式(混合式)1.00
      滚水坝0.25
      拦水坝0.50
      水闸部分时间段对鱼类洄游造成阻隔0.25
    • Table 3. Scale for assessment of river physical habitat quality

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      Table 3. Scale for assessment of river physical habitat quality

      分级理想状态健康亚健康不健康危险状态
      得分范围80~10060~8040~6020~400~20
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    Ziwei MA, Xiaodong MU, Taotao HAN, Jiceng XU, Bowei CHEN. Evaluation Method and Application of River Physical Habitat Health in Hainan Island Rivers[J]. Remote Sensing Technology and Application, 2024, 39(5): 1085

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    Paper Information

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    Received: Oct. 30, 2023

    Accepted: --

    Published Online: Jan. 7, 2025

    The Author Email:

    DOI:10.11873/j.issn.1004-0323.2024.5.1085

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