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Hyperspectral Estimation of the Chlorophyll Content in Short-Term and Long-Term Restorations of Mangrove in Quanzhou Bay Estuary, China

Author

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  • Zhiguo Dou

    (Institute of Wetland Research, Chinese Academy of Forestry, Beijing 100091, China
    Beijing Key Laboratory of Wetland Services and Restoration, Beijing 100091, China
    Beijing Hanshiqiao National Wetland, Ecosystem Research Station, Beijing 101399, China)

  • Lijuan Cui

    (Institute of Wetland Research, Chinese Academy of Forestry, Beijing 100091, China
    Beijing Key Laboratory of Wetland Services and Restoration, Beijing 100091, China
    Beijing Hanshiqiao National Wetland, Ecosystem Research Station, Beijing 101399, China)

  • Jing Li

    (Institute of Wetland Research, Chinese Academy of Forestry, Beijing 100091, China
    Beijing Key Laboratory of Wetland Services and Restoration, Beijing 100091, China
    Beijing Hanshiqiao National Wetland, Ecosystem Research Station, Beijing 101399, China)

  • Yinuo Zhu

    (Institute of Wetland Research, Chinese Academy of Forestry, Beijing 100091, China
    Beijing Key Laboratory of Wetland Services and Restoration, Beijing 100091, China
    Beijing Hanshiqiao National Wetland, Ecosystem Research Station, Beijing 101399, China)

  • Changjun Gao

    (Guangdong Academy of Forestry, Guangzhou 510520, China)

  • Xu Pan

    (Institute of Wetland Research, Chinese Academy of Forestry, Beijing 100091, China
    Beijing Key Laboratory of Wetland Services and Restoration, Beijing 100091, China
    Beijing Hanshiqiao National Wetland, Ecosystem Research Station, Beijing 101399, China)

  • Yinru Lei

    (Institute of Wetland Research, Chinese Academy of Forestry, Beijing 100091, China
    Beijing Key Laboratory of Wetland Services and Restoration, Beijing 100091, China
    Beijing Hanshiqiao National Wetland, Ecosystem Research Station, Beijing 101399, China)

  • Manyin Zhang

    (Institute of Wetland Research, Chinese Academy of Forestry, Beijing 100091, China
    Beijing Key Laboratory of Wetland Services and Restoration, Beijing 100091, China
    Beijing Hanshiqiao National Wetland, Ecosystem Research Station, Beijing 101399, China)

  • Xinsheng Zhao

    (Institute of Wetland Research, Chinese Academy of Forestry, Beijing 100091, China
    Beijing Key Laboratory of Wetland Services and Restoration, Beijing 100091, China
    Beijing Hanshiqiao National Wetland, Ecosystem Research Station, Beijing 101399, China)

  • Wei Li

    (Institute of Wetland Research, Chinese Academy of Forestry, Beijing 100091, China
    Beijing Key Laboratory of Wetland Services and Restoration, Beijing 100091, China
    Beijing Hanshiqiao National Wetland, Ecosystem Research Station, Beijing 101399, China)

Abstract

The chlorophyll content can indicate the general health of vegetation, and can be estimated from hyperspectral data. The aim of this study is to estimate the chlorophyll content of mangroves at different stages of restoration in a coastal wetland in Quanzhou, China, using proximal hyperspectral remote sensing techniques. We determine the hyperspectral reflectance of leaves from two mangrove species, Kandelia candel and Aegiceras corniculatum , from short-term and long-term restoration areas with a portable spectroradiometer. We also measure the leaf chlorophyll content (SPAD value). We use partial-least-squares stepwise regression to determine the relationships between the spectral reflectance and the chlorophyll content of the leaves, and establish two models, a full-wave-band spectrum model and a red-edge position regression model, to estimate the chlorophyll content of the mangroves. The coefficients of determination for the red-edge position model and the full-wave-band model exceed 0.72 and 0.82, respectively. The inverted chlorophyll contents are estimated more accurately for the long-term restoration mangroves than for the short-term restoration mangroves. Our results indicate that hyperspectral data can be used to estimate the chlorophyll content of mangroves at different stages of restoration, and could possibly be adapted to estimate biochemical constituents in leaves.

Suggested Citation

  • Zhiguo Dou & Lijuan Cui & Jing Li & Yinuo Zhu & Changjun Gao & Xu Pan & Yinru Lei & Manyin Zhang & Xinsheng Zhao & Wei Li, 2018. "Hyperspectral Estimation of the Chlorophyll Content in Short-Term and Long-Term Restorations of Mangrove in Quanzhou Bay Estuary, China," Sustainability, MDPI, vol. 10(4), pages 1-15, April.
    • Handle: RePEc:gam:jsusta:v:10:y:2018:i:4:p:1127-:d:140251
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    References listed on IDEAS

    as
    1. Das, Saudamini, 2017. "Ecological Restoration and Livelihood: Contribution of Planted Mangroves as Nursery and Habitat for Artisanal and Commercial Fishery," World Development, Elsevier, vol. 94(C), pages 492-502.
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    Cited by:

    1. Yun Xue & Yi-Min Wen & Zhong-Man Duan & Wei Zhang & Fen-Liang Liu, 2021. "Retrieval of Chlorophyll a Concentration in Water Considering High-Concentration Samples and Spectral Absorption Characteristics," Sustainability, MDPI, vol. 13(21), pages 1-14, November.

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