This study focuses on identifying natural hazards affecting aquaculture using Rapid Rural Appraisal (PRA) and community questionnaire survey in the Northern coastal area of Vietnam. Analytic Hierarchy Process (AHP) method was then applied to calculate the weight of single hazards affecting aquaculture. Community based approach also provides information from a stakeholder and farmer’s experiences about the hazards of seasonal aquaculture. The results identify that total of single hazards for cage, clam and white-leg shrimp aquaculture are 6,6 and 7 respectively. Weights of single hazards identified in this study are the initial results for quantifying risk indicator and loss assessment in aquaculture.
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