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30 de abr. de 2009 · Acoustic surveys of stocks of small pelagic fish, in particular the Peruvian anchovy or anchoveta (Engraulis ringens), have been carried out off the coast of Peru since the late 1970s. In all, 51 of these have been carefully archived since 1983.
31 de dic. de 1991 · The responses were compiled, presented, and discussed at the working group meeting in Dublin, Ireland in 1989 (Simmonds, 1989). Further discussions were held in Rostock, Germany in 1990 and it was decided to prepare a report to review acoustic survey and design procedures for abundance estimation and to recommend a number of suitable ...
1 de abr. de 1996 · John E. Simmonds, Fisheries and Plankton Acoustics, ICES Journal of Marine Science, Volume 53, Issue 2, April 1996, Page 129, https://doi.org/10.1006/jmsc.1996.0012
Acoustic surveys of stocks of small pelagic fish, in particular the Peruvian anchovy or anchoveta (Engraulis ringens), have been carried out off the coast of Peru since the late 1970s. In all, 51 of these have been carefully archived since 1983.
Introduction. The penetration of sound in water is significantly greater than that of light. Active acoustic instruments which, by definition, transmit and receive sound waves are, therefore, capable of detecting fish or other objects far beyond the range of any visual system.
3 de may. de 2023 · ICES has presided over an analogous development in fisheries science: fisheries acoustics. Echosounders were invented in the 1920s, and successful attempts to detect fish in the 1930s are recorded in the ICES literature.
Pre-planning for a rational survey design is essential to improve the reliability and efficiency of the acoustic assessment of fishery resources in large water bodies. In this study, we compared the …
