Neogi, Sucharit Basu, Yamasaki, Shinji, Lara, Rubén José and Wolff, Matthias ORCID: https://orcid.org/0000-0001-7458-983X (2023) Bangladesh Case Study - Impacts of Climate Change and Anthropogenic Pollution on the Occurrence and Pathogenic Potential of Vibrio spp. in the Coastal Zone of the Bengal Delta. In: Challenges in Tropical Coastal Zone Management - Experiences and Lessons Learned. , ed. by Wolff, Matthias ORCID: https://orcid.org/0000-0001-7458-983X, Ferse, Sebastian C. A. ORCID: https://orcid.org/0000-0003-0930-5356 and Govan, Hugh. Springer, Cham, pp. 207-226. ISBN 978-3-031-17878-8 DOI https://doi.org/10.1007/978-3-031-17879-5_13.

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Abstract

Hydro-climatic extremities together with aquatic pollution are bringing enormous health hazards, particularly by multi-drug resistant (MDR) waterborne pathogens in the Bengal delta. This chapter highlights selected issues of anthropogenic pollution and climatic stigmas influencing coastal Vibrio spp., which play important role in nutrient turnover but some are disease-causing. Seasonality and variations in salinity, temperature, tidal amplitude, precipitation, and occurrence of cyclone and flood substantially modulate estuarine Vibrio dynamics. Increased anthropogenic discharges may induce phytoplankton and zooplankton blooms in coastal waters, enriching suspended particulates, chitinous and organic compounds, and eventually stimulate Vibrio populations. The abundance of potentially pathogenic Vibrio cholerae is higher in anthropologically polluted estuaries, especially in regions receiving sewage or aquaculture effluents. Interestingly, the occurrence of MDR V. cholerae has been observed to spread at a similar scale in both the polluted estuary and pristine Sundarban wetland. Ecosystem-based understanding of the compounding processes and multi-faceted consequences of anthropogenic pollution and climate change to waterborne pathogens would be integral to facilitate multidisciplinary actions. Holistic approaches integrating ecohydrological interventions, water and waste treatment, wise use of natural antimicrobial compounds, maintenance of adequate hygiene, and socio-economic perspectives are required to cope with the alarming future hazards to health and ecosystem services.

Document Type:	Book chapter
Programme Area:	PA1
Research affiliation:	Science Management > Office for Knowledge Exchange Integrated Modelling > Resource Management
Open Access Journal?:	No
DOI:	https://doi.org/10.1007/978-3-031-17879-5_13
Date Deposited:	05 Feb 2026 13:55
Last Modified:	05 Feb 2026 13:55
URI:	https://cris.leibniz-zmt.de/id/eprint/6032

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