The Jalangi River (JR), a branch of the Ganges River in Murshidabad and Nadia districts of West Bengal, India, flows into the Bhagirathi River and strengthens its lower channel, the Hooghly. The part of the Jalangi River in Nadia district (especially in the ISKCON Mayapur, Nadia surrounding river-based area) is considered for this study, which represents the river’s lower course. The key challenges are; decreasing water flow, shifting of the main channel of the Ganga, disturbing the main channel sediment quarrying from the river bank and -dry river bed, land-use changes, contamination of river water through the release of effluents into the river, garbage dumping, indicating eutrophication, and reducing the diversity of aquatic life, etc. The anthropogenic impact is mostly visible in the areas near Krishnanagar City, an enriched habitat of different flora and faunal diversity in a historic place. The biodiversity is decreasing gradually due to the oldest tourist spots where large gatherings, loud recreational events, killing of wild animals, cutting the trees, disturbing, catching, unethical human behaviours and urbanization nearby badly affected and it adversely affects the enviro
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