Lake Tanganyika fishery research and development project, (United Republic of Tanzania). Improvement of the organization and technology of the traditional fishermen sociological studies

economic situation embarcaciones de pesca equipo de pesca fish fish industry fish processing fisheries fishermen fishing gear fishing methods fishing nets fishing operations fishing vessels food technology formation handling industria del pescado industrie du poisson manutention operaciones pesqueras pesca pescado pescadores planification planning poisson (aliment) redes de pesca small boats socioeconomic organization technologie alimentaire training traitement du poisson