Natural and Manmade Induced Land Use and Land Cover Changes in Tribal Island Car Nicobar. Andaman and Nicobar Islands-a Geospatial Approach

Author(s)	Associate Professor Ratan Mazumdar
Country	India
Abstract	Land Use and Land Cover (LULC) dynamics provide critical insights into the interaction between natural processes and anthropogenic activities in fragile island environments. The present study examines natural and human-induced LULC changes in Car Nicobar Island using geospatial techniques and multi-temporal satellite data. IRS-1D LISS-III (1998), Landsat TM (2006), and Landsat OLI/TIRS (2025) imagery were analysed to identify and quantify changes in major LULC categories. The analysis indicates substantial transformations following the 2004 Indian Ocean tsunami, reflected in changes in water bodies, sandy beaches, coral reefs, forest cover, settlements, and coastal features. Anthropogenic influences, including settlement expansion, infrastructure development, and land-use intensification, have further modified the island landscape. GIS-based change detection facilitated the spatial assessment and quantification of these transformations over time. The findings highlight the combined influence of extreme natural hazards and human activities on the island’s ecological and landscape characteristics. The study provides valuable baseline information for sustainable land-use planning, environmental management, and disaster-resilient development of Car Nicobar Island.
Keywords	Tribal Island, Remote Sensing, LULC, Disaster Resilient, Anthropogenic
Published In	Volume 7, Issue 5, September-October 2026
Published On	2026-09-16

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