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Spatial Distribution and Environmental Significance of Phosphorus Fractions in River Sediments and Its Influencing Factor from Hongze and Tiaoxi Watersheds, Eastern China

Author

Listed:
  • Ja Bawk Marip

    (Key Laboratory of Integrated Regulation and Resources Development of Shallow Lakes of Ministry of Education, College of Environment, Hohai University, Nanjing 210098, China)

  • Xuyin Yuan

    (Key Laboratory of Integrated Regulation and Resources Development of Shallow Lakes of Ministry of Education, College of Environment, Hohai University, Nanjing 210098, China
    Fujian Provincial Key Laboratory of Eco-Industrial Green Technology, College of Ecology and Resources Engineering, Wuyi University, Wuyishan 354300, China)

  • Hai Zhu

    (Key Laboratory of Integrated Regulation and Resources Development of Shallow Lakes of Ministry of Education, College of Environment, Hohai University, Nanjing 210098, China)

  • Isaac Kwesi Nooni

    (Binjiang College of Nanjing University of Information Science and Technology, No. 333, Xishan Road, Wuxi 214105, China
    School of Geographical Sciences, Nanjing University of Information Science and Technology, Nanjing 210044, China)

  • Solomon O. Y. Amankwah

    (School of Geographical Sciences, Nanjing University of Information Science and Technology, Nanjing 210044, China)

  • Nana Agyemang Prempeh

    (School of Geosciences, University of Energy and Natural Resources, PMB, Sunyani 3520, Ghana)

  • Eyram Norgbey

    (Key Laboratory of Integrated Regulation and Resources Development of Shallow Lakes of Ministry of Education, College of Environment, Hohai University, Nanjing 210098, China)

  • Taitiya Kenneth Yuguda

    (Key Laboratory of Integrated Regulation and Resources Development of Shallow Lakes of Ministry of Education, College of Environment, Hohai University, Nanjing 210098, China)

  • Zaw Myo Khaing

    (Key Laboratory of Integrated Regulation and Resources Development of Shallow Lakes of Ministry of Education, College of Environment, Hohai University, Nanjing 210098, China)

Abstract

This study explored the spatial distribution of phosphorus fractions in river sediments and analyzed the relationship between different phosphorus fractions and their environmental influence on the sediments within different watersheds in Eastern China. River sediments from two inflow watersheds (Hongze and Tiaoxi) to Hongze and Taihu Lake in Eastern China were analyzed by the sequential extraction procedure. Five fractions of sedimentary phosphorus, including freely sorbed phosphorus (NH 4 Cl-P), redox-sensitive phosphorus (BD-P), bound phosphorus metal oxide (NaOH-P), bound phosphorus calcium (HCl-P), and residual phosphorus (Res-P) were all analyzed. The orders of rankings for the P fractions of the rivers Anhe and Suihe were HCl-P > NaOH-P > BD-P > NH 4 Cl-P and HCl-P > BD-P > NaOH-P > NH 4 Cl-P, respectively. For the rank order of the Hongze watershed, HCl-P was higher while the NH 4 Cl-P contents were significantly lower. The rank order for the Dongtiaoxi River was NaOH-P > HCl-P > BD-P > NH 4 Cl-P, and that of Xitiaoxi River was NaOH-P > BD-P > HCl-P > NH 4 Cl-P. Compared with the phosphorus forms of the Tiaoxi watershed, NaOH-P contents were significantly higher compared to HCl-P, which was significantly higher in the Hongze watershed. In comparison, NH 4 Cl-P contents were significantly lower in both. Variations may be attributed to differential discharge of the P form in the watershed due to land-use changes and urban river ambient conditions.

Suggested Citation

  • Ja Bawk Marip & Xuyin Yuan & Hai Zhu & Isaac Kwesi Nooni & Solomon O. Y. Amankwah & Nana Agyemang Prempeh & Eyram Norgbey & Taitiya Kenneth Yuguda & Zaw Myo Khaing, 2020. "Spatial Distribution and Environmental Significance of Phosphorus Fractions in River Sediments and Its Influencing Factor from Hongze and Tiaoxi Watersheds, Eastern China," IJERPH, MDPI, vol. 17(16), pages 1-14, August.
    • Handle: RePEc:gam:jijerp:v:17:y:2020:i:16:p:5787-:d:397053
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    References listed on IDEAS

    as
    1. Linda Sarpong & Yiping Li & Eyram Norgbey & Amechi S. Nwankwegu & Yue Cheng & Salifu Nasiru & Isaac Kwesi Nooni & Victor Edem Setordjie, 2020. "A Sediment Diagenesis Model of Seasonal Nitrate and Ammonium Flux Spatial Variation Contributing to Eutrophication at Taihu, China," IJERPH, MDPI, vol. 17(11), pages 1-14, June.
    2. Thelma Dede Baddoo & Zhijia Li & Yiqing Guan & Kenneth Rodolphe Chabi Boni & Isaac Kwesi Nooni, 2020. "Data-Driven Modeling and the Influence of Objective Function Selection on Model Performance in Limited Data Regions," IJERPH, MDPI, vol. 17(11), pages 1-26, June.
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