Economical aspects of oyster raft cultures in Hiroshima [Japan] in 1963

acuicultura alimentos analisis analyse analysis aquaculture aquiculture asia asie ceiuapa (grupos de especies) coasts conchyliculture costa economic analysis foods fruits de mer isscaap groups of species japan japon methode methods mollusc culture ostra ostricultura oyster culture oysters physiographic features produit alimentaire seafoods shellfish shellfish culture