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Assessment of water quality trends in Deepor Beel, Assam, India

Author

Listed:
  • Ritabrata Roy

    (National Institute of Technology Agartala)

  • Mrinmoy Majumder

    (National Institute of Technology Agartala)

Abstract

Deepor Beel is the only Ramsar Site of Assam, India. This biodiversity-rich lake supports many aquatic and terrestrial species, including some globally threatened species. The lake is important to the livelihood of the local population as it provides opportunities for fishing and collection of other wetland biological resources. As a consequence, quality of water in this lake is important both economically and environmentally. In the present study, therefore, water quality of Deepor Beel was assessed with different Water Quality Indices in each month for 3 years. Qualitative and quantitative water quality trends of the lake were assessed from those data. The overall water quality of the lake was evaluated as fair (NSF WQI 55-76) with some deterioration during summer (NSF WQI 55-69). The lake was found to be somewhat turbid (11-34 NTU) and eutrophic (Nitrate 1.46–5.75 ppm, Phosphate 0.08–0.47 ppm) throughout the study period. This study also indicated a slight gradual deterioration of the lake every year during summer and post monsoon. Water quality of Deepor Beel was found to deteriorate with time from this study. Better management plan of this lake should be implemented for its sustenance.

Suggested Citation

  • Ritabrata Roy & Mrinmoy Majumder, 2022. "Assessment of water quality trends in Deepor Beel, Assam, India," Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, Springer, vol. 24(12), pages 14327-14347, December.
    • Handle: RePEc:spr:endesu:v:24:y:2022:i:12:d:10.1007_s10668-021-02033-4
    DOI: 10.1007/s10668-021-02033-4
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    References listed on IDEAS

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    1. Jin Li, 2017. "Assessing the accuracy of predictive models for numerical data: Not r nor r2, why not? Then what?," PLOS ONE, Public Library of Science, vol. 12(8), pages 1-16, August.
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