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Coordinated and published by The Grassroots Institute, the Grassroots Journal of Natural Resources (GJNR) is an international journal dedicated to the latest advancements in natural resources throughout the world. The goal of this journal is to provide a platform for scientists, social scientists, policy analysts, managers and practitioners (on all academic and professional levels) all over the world to promote, discuss and share various new issues and developments in different arenas of natural resources.
Md. Sirajul Islam*1, Shapla Khatun2, Md. Humayun Kabir3, Nowara Tamanna Meghla4, Md. Shakir Ahammed5, Md. Enamul Hoq6, Kazi Farhed Iqubal7
1Department of Environmental Science and Resource Management, Mawlana Bhashani Science and Technology University, Tangail-1902, Bangladesh. Email: islammstazu@yahoo.com | ORCID: https://orcid.org/0000-0002-7560-9334
2Department of Environmental Science and Resource Management, Mawlana Bhashani Science and Technology University, Tangail-1902, Bangladesh. Email: Shapla.mbstu@gmail.com | ORCID: https://orcid.org/0000-0003-1246-9255
3Department of Environmental Science and Resource Management, Mawlana Bhashani Science and Technology University, Tangail-1902, Bangladesh. Email: kabirmh07@gmail.com | ORCID: https://orcid.org/0000-0002-2351-6275
4Department of Environmental Science and Resource Management, Mawlana Bhashani Science and Technology University, Tangail-1902, Bangladesh. Email: nowaratamanna@gmail.com | ORCID: https://orcid.org/0000-0001-7399-4446
5Department of Environmental Science and Resource Management, Mawlana Bhashani Science and Technology University, Tangail-1902, Bangladesh. Email: shakiresrm@gmail.com | ORCID: https://orcid.org/0000-0001-7261-2231
6Bangladesh Fisheries Research Institute, Mymensingh-2201, Bangladesh.
Email: hoq_me@yahoo.com | ORCID: https://orcid.org/0000-0003-1380-9741
7EQMS Consulting Limited, House # 76, Road # 5, Block # F, Banani, Dhaka-1213, Bangladesh.
Email: eqmsbd@gmail.com | ORCID: https://orcid.org/0000-0003-4105-8412
*Corresponding author
Grassroots Journal of Natural Resources, 5(2): 80-103. Doi: https://doi.org/10.33002/nr2581.6853.050206
Received: 13 April 2022
Reviewed: 13 May 2022
Provisionally Accepted: 19 May 2022
Revised: 25 May 2022
Finally Accepted: 17 June 2022
Published: 30 June 2022
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This study was conducted to investigate the status of water quality for fisheries and aquatic environment in Chalan Beel, the largest wetland ecosystem in Bangladesh. Water samples were collected from five sampling stations over the period from February 2020 to January 2021 during the pre-monsoon, monsoon, and post-monsoon seasons, respectively. Surface water controlling parameters such as temperature, transparency, pH, DO, TDS, EC, total hardness, total alkalinity, Chlorophyll a, and TSI of Chalan Beel were monitored seasonally. The study revealed that temperature, transparency, pH, DO, TDS, EC, total alkalinity, total hardness, PO4, and NO3 exceeded the recommended level for fish culture. On the other hand, NH3, SO4, NO2, Chlorophyll a, and trophic state index (TSI) were within the standard limits for aquaculture. Concentrations of Chlorophyll a and TSI (CHL) indicated no definite trend with seasons. In conclusion, the wetland is in mesotrophic condition as the TSI (CHL) was within 40, and apparently, there was a positive relationship between Chlorophyll a and TSI. To conserve a healthy environment of the beel ecosystem, it is necessary to promote knowledge about water quality issues and beel management through monitoring and research.
Temporal variation; Water quality; Trophic state index; Chlorophyll a; Chalan Beel
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Islam, M.S., Khatun, S., Kabir, M.H., Meghla, N.T., Ahammed, M.S., Hoq, M.E. and Iqubal, K.F. (2022). Monitoring of Water Quality with Trophic State Index (TSI) in the Chalan Beel Wetland Ecosystem of Bangladesh. Grassroots Journal of Natural Resources, 5(2): 80-103. Doi: https://doi.org/10.33002/nr2581.6853.050206
Islam, M. S., Khatun, S., Kabir, M. H., Meghla, N. T., Ahammed, M. S., Hoq, M. E., & Iqubal, K. F. (2022). Monitoring of Water Quality with Trophic State Index (TSI) in the Chalan Beel Wetland Ecosystem of Bangladesh. Grassroots Journal of Natural Resources, 5(2), 80-103. https://doi.org/10.33002/nr2581.6853.050206
Islam M.S., Khatun S., Kabir M.H., Meghla N.T., Ahammed M.S., Hoq M.E., Iqubal K.F. Monitoring of Water Quality with Trophic State Index (TSI) in the Chalan Beel Wetland Ecosystem of Bangladesh. Grassroots Journal of Natural Resources, 2022, 5 (2), 80-103. https://doi.org/10.33002/nr2581.6853.050206
Islam, Md. Sirajul, Khatun, Shapla, Kabir, Md. Humayun, Meghla, Nowara Tamanna, Ahammed, Md. Shakir, Hoq, Md. Enamul, Iqubal, Kazi Farhed. 2022. “Monitoring of Water Quality with Trophic State Index (TSI) in the Chalan Beel Wetland Ecosystem of Bangladesh”. Grassroots Journal of Natural Resources, 5 no. 2: 80-103. https://doi.org/10.33002/nr2581.6853.050206
Islam, Md. Sirajul, Shapla Khatun, Md. Humayun Kabir, Nowara Tamanna Meghla, Md. Shakir Ahammed, Md. Enamul Hoq and Kazi Farhed Iqubal. 2022. “Monitoring of Water Quality with Trophic State Index (TSI) in the Chalan Beel Wetland Ecosystem of Bangladesh”. Grassroots Journal of Natural Resources, 5 (2): 80-103. https://doi.org/10.33002/nr2581.6853.050206
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