Abstract
The Indian Sundarbans with its unique bio-geographical composition is prone to hazards like cyclones, storms and floods, making its socio-ecological systems vulnerable to environmental stresses. Moreover, its structural aspects appear to be a significant factor in pushing the systems towards vulnerability. A landscape analysis was done in four villages in the Indian Sundarbans to measure their socio-economic vulnerability. An index method was followed to compare the variables linked with the system’s vulnerability, namely basic socio-demographic characteristics, lack of basic amenities and enough safety nets, lack of accessibility and poor transport and communication. Among these variables, lack of accessibility, and poor transport and communication place limitations on the external exposure of the Indian Sundarbans. Satjelia is an island village found to be the most vulnerable among all with a composite index score of 0.518. Satjelia’s distant geographical location along with lack of sufficient educational and income opportunities, poor social network, higher percentage of marginalised population and greater losses due to natural disasters have contributed to its high vulnerability. Less-accessible villages are deprived of some of the basic facilities and thus are ranked higher on the ‘sensitivity’ domain and lower in the ‘adaptive capacity’ domain, leading to a higher value in the Socio-Economic Vulnerability Index. However, the overall index values did not differ much in the case study villages of the Indian Sundarbans due to standardisation, equal weightage, spatial factors and the usage of a limited number of indicators. Hence, a policy initiative should focus upon the improvement of basic infrastructure and better accessibility among all the geographical locations, thus minimising socio-economic vulnerability in the Indian Sundarbans.



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Acknowledgements
We are thankful to the University Grant Commission (UGC), Govt. of India for fellowship support to Ms. Sneha Biswas (UGC-JRF) and to Indian Council of Social Science Research (ICSSR), Govt. of India for financial support. We are thankful to the Director, Institute for Social and Economic Change (ISEC), Bengaluru for the facilities. We are happy to extend our sincere thanks to the people of the study region for their kind cooperation, support and knowledge sharing during the field study. We are thankful to Prof. Luc Hens (Editor in Chief, Environment, Development and Sustainability) and three anonymous reviewers for their suggestions and constructive comments to improve the paper. Views expressed here are of the authors only and not of the organisation with which they are affiliated.
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Appendix
Appendix
Madhya Gurguria | Debipur | Satjelia | Rangabelia | |
|---|---|---|---|---|
Sensitivity index variables | ||||
Percentage of Kutcha hha | 42 | 46 | 54 | 42 |
Percentage of hh without toilet facility | 44 | 40 | 56 | 62 |
Percentage of hh living outside 2 km all-season road | 14 | 26 | 67 | 33 |
Percentage of hh depending on natural sources for household activities (%) | 96 | 98 | 100 | 88 |
Percentage of hh facing water shortage | 14 | 18 | 32 | 18 |
Percentage of hh with chronic disease | 30 | 38 | 26 | 28 |
Percentage of hh having disabled members | 16 | 36 | 14 | 8 |
Percentage of marginalised population (SC and ST)b | 23.07 | 30.81 | 82.34 | 32.29 |
Average number of people per household (number of persons) | 5.24 | 5.7 | 4.92 | 4.62 |
Dependency ratio | 69.28 | 55.22 | 34.09 | 47.27 |
Percentage of female-headed households | 18 | 12 | 20 | 8 |
Percentage of hh with insufficient food | 8 | 22 | 8 | 20 |
Percentage of hh facing soil quality problem | 20 | 24 | 16 | 20 |
Percentage of hh facing property damage | 74 | 74 | 86 | 84 |
Percentage of people depending on non-farming activities | 34 | 24 | 48 | 34 |
Adaptive capacity index variables | ||||
Percentage of hh having literate household head | 62 | 52 | 64 | 76 |
Percentage of hh attending higher education | 20 | 20 | 2 | 10 |
Average monthly household income (in Rs.) | 12,400 | 8057 | 8625 | 15,500 |
Percentage of hh under govt. welfare scheme | 82 | 52 | 64 | 38 |
Average livelihood diversification index | 0.564 | 0.626 | 0.554 | 0.605 |
Percentage of hh having migrant worker | 28 | 38 | 44 | 46 |
Percentage of hh availing early warning system | 62 | 48 | 40 | 40 |
Percentage of hh recovered after the latest disaster | 38 | 64 | 36 | 38 |
Percentage of hh with bank access | 30 | 32 | 68 | 70 |
Percentage of hh having insurance | 14 | 30 | 8 | 10 |
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Biswas, S., Nautiyal, S. An assessment of socio-economic vulnerability at the household level: a study on villages of the Indian Sundarbans. Environ Dev Sustain 23, 11120–11137 (2021). https://doi.org/10.1007/s10668-020-01085-2
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DOI: https://doi.org/10.1007/s10668-020-01085-2

