Living resources of the sea and fresh water have long been animportant source of food and economic activity. With fish stockscontinuing to be over-exploited, there is a clear focus onfisheries management, to which acoustic methods can and do make animportant contribution.The second edition of this widely used book covers the manytechnological developments which have occurred since the firstedition; highly sophisticated sonar and computer processingequipment offer great new opportunities and Fisheries Acoustic, 2eprovides the reader with a better understanding of how to interpretacoustic observations and put them to practical use.* * Well known and respected authors* * Emphasis on practical acoustic methods* * Detailed coverage of a commercially and environmentallyimportant subjectA vital tool for fisheries scientists, fisheries oceanographers,environmental biologists, ecologists, population biologists, fishbiologists, and marine biologists. All those involved with designand use of acoustic equipment. Libraries in researchestablishments, government stations and universities wherefisheries science is studied or taught will find this a welcomeaddition to their shelves.