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Book (stand-alone)Introduction of New Outrigger Canoes in Indonesia - BOBP/REP/57 1993
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No results found.This report gives an account of the successful attempts to develop and introduce a new type of outrigger canoe for the benefit of small-scale fisherfolk in Nias Island, North Sumatera, Indonesia. It summarizes the activities of canoe construction, training of carpenters, demonstration and long-term fishing trials and discusses the impact and prospects for further development. The work was undertaken from late 1988 till early 1993 as a subproject under BOBP’s “Small-Scale Fisherfolk Communit ies” project GCP/RAS/118/MUL. The subproject was channelled through the Provincial Fisheries Service (PFS) of North Sumatera but was, to a very large extent, an autonomous unit in Nias with a Field Assistant, Tafonaha Gulo, as the only staff. The Boatbuilder Consultant assisting in construction of prototype canoes and training of carpenters was M Savins, from Australia. -
ProjectBuilding a liftable propulsion system for small fishing craft .The BOB Drive - BOBP/MAG/14 1993
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No results found.Motorization of small fishing craft has contributed considerably to fisheries development in the Bay of Bengal region over the last few decades. In Indonesia. Thailand and Bangladesh the most common engines by far for small fishing craft, are the 5 - 15 hp range of multipurpose diesel engines used for water pumps, generators, power tillers and small tractors. The advantages of this type of engine, compared with the specially marinized diesel engine, is the low cost and easy availability of bot h engines and spare paris. Two methods for the installation of these engines have been developed and widely introduced. The conventional inboard installation, where the propeller shall is fitted through the keel structure, is used in boats operating from harbours or sheltered beaches. In the ‘longtail’ installation, the engine Sits on top of the transom and the propeller shaft goes through a long tube to the propeller. These two methods of installations are, however, not suitable for boa ts that have to land on surf-beaten beaches. -
ProjectA Manual for Operating a Small-scale Recirculation Fresh water Prawn Hatchery - BOBP/MAG/13 1993
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No results found.in Potiya, near Chittagong, Bangladesh, is written for those interested is establishing a small-scale inland freshwater prawn hatchery using the clear water method. It is assumed that the reader has some basic knowledge of aquatic biology, but is not necessarily a degree holder in the subject. The method described is based on the use of brine obtained from salt pans. The brine is diluted with well or surface water to make up the rearing water. Such technology is widely used in commercial hatcher ies in Thailand. As rifle is not always available, a simple biofilter, for recirculation of the water, is incorporated in the tank design. The biofilter greatly reduces, or eliminates, the need for water changes during the rearing cycle. The hatchery system described consists of larvae rearing tanks, mixing and brine storage tanks, Artemia incubators and supporting mechanical equipment. Recirculation systems are becoming increasingly popular and have now been shown to give consistent product ion of quality post-larvae. All the necessary details for setting up such a simple system are included in this manual, which is also profusely illustrated to make what is described in the text clearer.
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