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A third of India’s coastline underwent erosion in 28 years, Bengal worst affected -Ashis Senapati

-Down to Earth

27% of coastline expanded between 1990 and 2018, according to a report by Union Ministry of Earth Sciences

As much as 32 per cent of India’s coastline underwent sea erosion and 27 per cent of it expanded between 1990 and 2018, according to a recent technical report by the National Centre for Coastal Research (NCCR) under the Union Ministry of Earth Sciences.

The West Bengal coastline has been particularly vulnerable: 60 per cent of the coastline underwent erosion during the period, followed by Puducherry (56 per cent); Kerala (41 per cent); Tamil Nadu (41 per cent); Andhra Pradesh (28 per cent); Gujarat including Daman and Diu (26 per cent); Odisha (26 per cent); Karnataka (24 per cent); Maharashtra (22 per cent); and Goa (19 per cent). 

Odisha coast expanded by 51 per cent, the report said.

This was followed by the coast of Andhra Pradesh, which expanded 48 per cent; Karnataka (26 per cent); West Bengal (25 per cent); Tamil Nadu (22 per cent); Kerala (21 per cent); Gujarat including Daman and Diu (20 per cent); Goa(14 per cent; Maharashtra (10 per cent) and  Puducherry (8 per cent). 

The country’s coastline is 6,631.53 kilometres long: 2,135.65 kilometres was subject to varying degrees of erosion and 1,760.06 km expanded during this period. Nearly 2,700 km of the coastline is stable.   

The information was tabled by Parshottam Rupala, Union Minister of Fisheries, Animal, Husbandry and Dairying in response to a question in the Lok Sabha August 10, 2021.

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