COMPARATIVE STUDY OF MUD CRAB (SCYLLA OLIVACEA) PRODUCTION IN THE SUNDARBANS AND IN TRADITIONAL SHRIMP GHERS OF BAGERHAT DISTRICT, BANGLADESH
DOI:
https://doi.org/10.53808/KUS.2008.9.1.0825-LKeywords:
Mud crab (Scylla olivacea), the Sundarbans, traditional shrimp ghers, landing centersAbstract
The comparative study of mud crab (Scylla olivacea) production between Sundarbans Mangrove Ecosystem and traditional shrimp ghers was conducted in three major landing centers namely Gona, Digraj and Vaga in Bagerhat region at monthly interval from January to December 2002. The maximum production of 1247.15 MT was estimated from Sundarbans mangrove swamp areas while 1016.30 MT from traditional shrimp ghers. The production of mud crab from the Sundarbans ecosystem was 10.20% higher and significant at 5% level than the traditional shrimp ghers of Bagerhat region in 2002. There were no significant differences in production at different landing centers, months and seasons. But the production of different grade sizes from the Sundarbans and traditional shrimp ghers in the region showed significant variation (P<0.05). The production from the Sundarbans was found to be consistent round the year, whereas it was seasonal (May to November) for the traditional shrimp ghers. Fishing closure for mud crab inside the Sundarbans should be enforced effectively in order to maintain the supply of mud crab seed for its production from the shrimp ponds throughout the coastal region of Bangladesh.
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