Some modern methods of fish detection - Echo sounding, echo ranging and aerial scouting.
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Main Authors: | , , , |
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Format: | Texto biblioteca |
Language: | |
Published: |
1952
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Subjects: | AERIAL SURVEYING, ECHOSOUNDING, EXPLORATORY FISHING, FISHERY MANAGEMENT, RELEVE AERIEN, ECHOSONDAGE, PECHE EXPLORATOIRE, GESTION DES PECHES, RECONOCIMIENTO AEREO, ECOSONDEO, PESCA DE EXPLORACION, ADMINISTRACION PESQUERA, |
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