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Guidelines for Acoustic Surveys in the Northwest African Region

Autor Food and Agriculture Organization of the
en Limba Engleză Paperback – 31 mar 2009
This manual provides a guide to the survey routines that should be followed during hydro- acoustic fish abundance surveys in the northwest African region for a harmonized coverage. The guidelines could, however, also be useful for other regions with similar environmental characteristics and marine resources. The manual covers topics such as survey design, calibration of hydroacoustic equipment, instrument settings, echo identification, biomass estimation, statistical analysis, standard format for data storage, environmental sampling and presentation of survey results. - Ce manuel presente des directives pour une approche harmonisee dans la conduite des campagnes acoustiques dans la region de l'Afrique du Nord-Ouest. Cependant, il pourrait egalement etre utile pour les autres regions ayant des caracteristiques environnementales et des ressources marines similaires. Le manuel couvre des themes tels que la conception de la campagne, la calibration de l'equipement hydroacoustique, le parametrage des instruments, l'identification des echos, l'estimation de la biomasse, l'analyse statistique, le format standard pour le stockage des donnees, l'echantillonnage environnemental et la presentation des resultats des campagnes."
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Specificații

ISBN-13: 9789250062334
ISBN-10: 9250062338
Pagini: 60
Editura: Fao
Locul publicării:Italy