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Round-table meeting on research needs in aquaculture and culture-based fisheries in Zimbabwe

Year of publication 1991

Place of publication Rome, Italy ;

Pages p.44

Product type Project

Edition 1

Language English

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    Meeting
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    Meeting document COFI:AQ/II/2003/3
    2003
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    Project
    A pilot socio-economic survey of aquaculture in Ruvuma Region, Tanzania 1993
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    A pilot socio-economic survey of aquaculture in Ruvuma region was conducted between 27 August and 20 September 1992 in four districts in the region. The survey was conducted by means of pre-coded questionnaires and informal interviews with open ended questions. Based on the list of ponds and pond owners made by the Regional Fishery Office in 1990/91, 30% of the fish farming units (FFUs) were sampled. A total of 779 FFUs were interviewed out of which 643 were active. The survey revealed the fol lowing: The total number of FFUs in Ruvuma region is estimated at 2,500, of which 2,040 are actively operating their ponds. The number of FFUs has decreased in Tunduru and Mbinga. The total number of actively operating ponds was estimated at about 3,000. The proportion of non-operating ponds was the highest in Tunduru, about 30 %. The majority (85%) of FFUs are managed by household members. Out of 643 active FFUs, only 12 are owned by women. The mean size of pond is 280 m2. The mean size is smaller in Mbinga (129m2) than in other districts. The largest mean size is in Songea Urban (452 m2) Sources of water ponds: mostly spring-fed, stream and underground water. The major species stocked in the region is O. niloticus. Over 70% of FFUs obtain fingerlings from neighbours. Few FFUs keep fingerlings for restocking. Difficulty in obtaining quality fingerlings often resulted in cessation of activities. It also increased the occurrence of theft, one of the major reasons given for abandoning ponds. 80% of the ponds are drainable. 45% of the ponds are fertilized and 92% are provided with feeds. 62% of ponds are harvested intermittently. Batch harvests are practised in 52% of ponds. Neighbouring farmers are a major source of information about fish farming. Farmer-to-farmer information diffusion is particularly common in Songea urban (93%) and Songea rural (78%) districts.
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