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Generation of new knowledge for a sustainable industry: blue swimming crab fishery off northern Sri Lanka

NRC Grant:  14-079

Dr. M. D. S. T. De Croos
Dept. of Aquaculture and Fisheries
Faculty of Livestock, Fisheries & Nutrition
Wayamba University of Sri Lanka
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Area of Research: Fisheries



a) To evaluate the present status of the crab resources and the fishery in northern Sri Lanka from Mannar to Mullaittive, in generating required knowledge and information for fishery managers and policy makers.

b) To formulate the market chain structure of blue swimming crab in identifying the size; capacity and connection of each layer of the market chain giving special emphasis on potential strengths; weakness; opportunities; and threats in gaining the MSC certification. 


 Our proposal study tries to generate new knowledge in understanding the present status and population biology of blue swimming crab, Portunus pelagicus, resource together with the broader dynamics of the fishery and market environment.  This is timely need in formulating; developing and implementing any management policies for strengthening the sustainable utilization of the resource because if the fishery continued with current high fishing intensity the industry may not be able to sustain for a longer period.  On the other hand, outcomes of our proposed market analysis together with SWOT analysis will important for the crab exporters to consider in developing the market chain.  Moreover, the outcomes of the market chain analysis may important in initiating the process for branding the Sri Lankan crabs with international standards to successfully compete at the export market.  Biological parameters which we are planning to estimate will definitely be regionally important in understanding the diversity and distribution of the species along the region. If population biological parameters; spawning seasonality etc. of our study found to be in similar range with the information already published from Indian waters, that will definitely initiate a stock identification study as it is crucial for the fishery managers in both the countries.