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Natural Environmental Hazards and Their Management: A Case Study of Sagar Island, India

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Abstract:

The reclamation of Sagar island from the Sundarban mangrove wetlands of the western Ganga Brahmaputra delta was initiated in 1811. At present the island is almost wholly settled. The major natural environmental hazards (NEH) that affect the island are tropical cyclones, coastal erosion, tidal ingression and dunal encroachment. Human adjustments to these problems include acceptance, technological control, relocation, regulation and emergency measures. Seven different agencies manage the existing NEH-prevention projects of the island, often with little coordination. Important schemes managed by these agencies include coastal and interior embankments, mangrove plantations, storm refuges, resettlement projects and vegetation wind-breaks. Their efficiency ranges from excellent to very poor. Since a large outlay is inconceivable, the island's hazard prevention projects should mobilise existing resources in a more rational and coordinated manner. The long-term solution to the problems, however, lies in an accelerated socio-economic development of the region.

Document Type: Research Article

Affiliations: Department of Geography & Environment Management, Vidyasagar University, West Bengal 721102, India

Publication date: 1997-06-01

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