Publications
Exploring the Rich Diverse: Freshwater Fish Diversity and Bionomics in the Sundarbans, India
The Sundarbans, a UNESCO-listed mangrove ecosystem spanning India and Bangladesh, harbors remarkable freshwater fish diversity, including 120 species. This review synthesizes existing data on fish bionomics—life history traits such as reproduction, growth, and migration—and their conservation status within the delta formed by the Ganges-Brahmaputra-Meghna rivers. It highlights threats to sustainable fisheries, including habitat degradation and climate change, while emphasizing the ecological importance of mangroves in supporting fish biodiversity. The study also provides a foundational database for future research on life history parameters critical for conservation strategies.
Annual Mangrove Vegetation Cover Changes (2014–2020) in Indian Sundarbans National Park Using Landsat 8 and Google Earth Engine
A six-year analysis of the Sundarbans National Park, using Landsat 8 satellite data and Google Earth Engine, revealed no significant overall change in mangrove vegetation cover between 2014 and 2020. However, coastal regions, particularly the southern end, experienced notable shifts due to land accretion and natural disturbances like cyclones. The study leveraged normalized difference vegetation index (NDVI) and its derivative (dNDVI) to quantify these changes, providing critical insights for long-term monitoring and conservation efforts in this ecologically vital mangrove ecosystem.
A three decade assessment of forest cover changes in Nijhum dwip national park using remote sensing and GIS
Over three decades, the Nijhum Dwip National Park (NDNP), part of the Sundarbans mangrove forest, experienced significant forest cover loss, with more than 42% (1781 ha) deforested between 1990 and 2011. Specifically, nearly 1235 ha and over 856 ha disappeared from an initial 4217.5 ha in 1990 to 2982.5 ha in 2001 and 2126.16 ha in 2011. However, a slight recovery of 310 ha was recorded between 2011 and 2020. The study used Landsat images (1990, 2001, 2011, 2020) with maximum likelihood classification to assess changes, finding that NDVI outperformed SAVI in detecting forest cover shifts. This research highlights the need for continuous monitoring and informed decision-making to protect this critical mangrove ecosystem.
Ecosystem service assessment of selected wetlands of Kolkata and the Indian Gangetic Delta: multi-beneficial systems under differentiated management stress
A comprehensive ecosystem service assessment of wetlands in the Sundarbans National Park and East Kolkata Wetlands reveals that 32 out of 36 possible ecosystem services are produced across these sites, with significant variations attributed to differing wetland characteristics and management regimes. The study highlights critical gaps in existing literature, particularly in recognizing provisioning, regulating, cultural, and supporting services, and demonstrates the importance of systemic approaches like the Rapid Assessment of Wetland Ecosystem Services (RAWES) in capturing interdependent service production. This method not only supports the protection of ecological character but also challenges the underrepresentation of peri-urban wetlands' values, offering a practical framework for informed decision-making.
Resident’s Awareness Towards Sustainable Tourism for Ecotourism Destination in Sundarban Forest, Bangladesh
Sustainable tourism, when paired with public awareness, can offer economic and long-term conservation benefits for the Sundarbans, the world's largest contiguous mangrove forest. This study highlights that well-planned ecotourism, combined with resident education, could mitigate threats like deforestation, overfishing, and environmental degradation while supporting local communities and regional economies. The research focuses on addressing the growing human pressure on the Sundarbans, where illegal logging, overfishing, and chemical-intensive agriculture pose significant risks to biodiversity. By analyzing current practices and their impacts, the study suggests that increased awareness among residents—particularly regarding sustainable fishing methods, reduced pesticide use, and waste management—could help preserve this UNESCO World Heritage Site for future generations.
Tourism governance in protected areas: investigating the application of the adaptive co-management approach
Adaptive co-management (ACM) significantly enhances governance in protected areas, particularly through its adaptive elements that foster iterative learning among stakeholders. A study on Bangladesh's Lawachara National Park and Sundarbans East Wildlife Sanctuary found that ACM improved key governance principles such as participation, accountability, transparency, power dynamics, rule of law, and social learning. The approach successfully broadened stakeholder engagement and collaboration, with the adaptive component proving most impactful by enabling behavior change and attitude shifts toward conservation. This research provides empirical evidence for developing countries on how ACM can sustainably improve governance in nature-based tourism destinations.
Sustainable Hospitality and Tourism as Motors for Development
Sustainable tourism can drive development while preserving biodiversity, as demonstrated by global case studies. The research highlights successful models such as community-based ecotourism in the Amazon and eco-lodges that integrate conservation with economic growth. It explores innovative approaches like integrated circuits for sustainable tourism planning, eco-retrofits in vulnerable regions (e.g., Sundarbans), and stakeholder perspectives in protected areas (e.g., Masai Mara). Key challenges—such as balancing luxury with sustainability or addressing rural ethnic tourism development—are also addressed. The study combines qualitative analyses of diverse projects, including private-communal partnerships, restoration preferences, and volunteer tourism models, to derive actionable insights for policymakers and industry stakeholders.
Status of the Mammal Fauna in Sundarban Tiger Reserve, West Bengal - India
A one-year study conducted from January to December 2010 in the Sundarban Tiger Reserve, West Bengal, revealed significant shrinkage of mangrove swamp habitat and a decline in mammal species due to extensive anthropogenic and natural threats. The research, involving literature review, questionnaires, and ground surveys with frontline forest department staff, recorded 49 extant mammal species, including four globally endangered, four vulnerable, and two near-threatened species according to the IUCN Red List. Alarmingly, 15 species were found only rarely, while six species had become extinct in the last two centuries. Tiger sightings were more frequent in Sajnekhali Wildlife Sanctuary and buffer areas than in the core Sundarban National Park. The study underscores the urgent need for high-priority wildlife conservation, proper implementation of tiger action plans, infrastructural development, and effective joint forest management to preserve this unique ecosystem.
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