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- Hammond, T
- Canadian journal of fisheries and aquatic sciences 1997 v.54 no.10 pp. 2323-2333
- Bayesian theory; Gadus morhua; acoustics; biomass; fish; models; species diversity; surveys
- ... Knowledge of the target strength (TS) distribution of the fish being surveyed is necessary for accurate acoustic biomass estimates. Although dual-beam and split-beam transducers can measure TS in situ, these measurements are usually misleading because fish with higher TS are detected more readily, measurements are coming from several fish species, and measurements are made on the total echo from s ...