Manual of methods for fish stock assessment - Part 5, the use of acoustic instruments in fish detection and fish abundance estimation

acoustic properties agua de mar chemicophysical properties conception data processing design eau de mer echosounding equipo de pesca existencias fish detection fishery resources fishes fishing gear marking marquage des animaux methode methods peces poisson (animal) procesamiento de datos recursos pesqueros ressource halieutique sea water son (acoustique) sonido sound stock stocks yield forecasting