Repeated acoustic surveys on small herring in a fjord area
MetadataShow full item record
Original versionThis report is not to be cited without prior reference to the authors
This paper describes an acoustic survey on small herring in a fjord in Northern Norway which was carried out three times during the same night. The survey speed was 4 knots during two of the survey runs and once 8 knots.The integrator output for each of the surveys showed a variation of less than 10% of the mean integrator output.