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Impact of cyclone Yaas on fisheries resources of Eastern Sunderban part of West Bengal, India

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Author Affiliations

  • 1Department of Fishery Science, Brahmananda Keshab Chandra College, Kolkata-700108, West Bengal, India
  • 2Department of Zoology, Raiganj University, Raiganj, Uttar Dinajpur-733134, West Bengal, India
  • 3MGNREGA Cell, Office of District Magistrate, Balurghat, Dakshin Dinajpur-733101, West Bengal, India
  • 4Department of Fishery Science, Brahmananda Keshab Chandra College, Kolkata-700108, West Bengal, India
  • 5Department of Fishery Science, Brahmananda Keshab Chandra College, Kolkata-700108, West Bengal, India
  • 6Department of Fishery Science, Brahmananda Keshab Chandra College, Kolkata-700108, West Bengal, India

Int. Res. J. Biological Sci., Volume 12, Issue (2), Pages 42-44, August,10 (2023)

Abstract

West Bengal is a state with coastal districts in its south and south-western part and due to this; severe cyclonic events are common in this state. Since last decade, West Bengal has experienced several cyclonic events among which Yaas was the last one that hit in May, 2021. Cyclone has severe impacts on fisheries and aquaculture; it can alter hydrological parameters and habitat structure that lead to change in fish species assemblage pattern, fish diversity and finally can put impact on local livelihood and food security. The present work was aimed to gather preliminary information on the impact of Yaas on fisheries and aquaculture in Eastern part of West Bengal. The survey has showed post Yaas change in landing pattern with marine fishes contributed the major portion of the landing. Change in riverine fish diversity has also been observed with intrusion of brackish water species. With intrusion of salt water in local impoundments and ponds, intrusion of seeds of brackish water fishes mainly of Lates calcarifer has been observed that led to rise in fish seed availability and finally increase in employment and revenue generation for the local fish famers.

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