Pelagic fish stock assessment by acoustic methods at Ifremer

Type Report
Date 2010-05
Language English
Ref. R.INT. DOP/DCN/EMH 10- 02
Author(s) Doray MathieuORCID, Masse Jacques, Petitgas Pierre, Doray MathieuORCID, Masse Jacques, Petitgas Pierre
DOI 10.13155/11446
Publisher Ifremer
Abstract The main objective of Ifremer's pelagic sea surveys (Pelgas in the Bay of Biscay and Pelmed in the Gulf of Lion) is to assess the biomass of anchovy (Engraulis encrasicolus) and sardine (Sardina pilchardus) populations, based on fisheries acoustic data. Complementary data on the whole pelagic ecosystem (hydrology, plankton, fish eggs and larvae, other fish species, seabirds and marine mammals) are also collected during the cruises. This document describes the procedures used to derive stock abundance estimates from acoustic and fishing data collected during sea cruises, the Pelgas sea survey being used as an example.
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Doray Mathieu, Masse Jacques, Petitgas Pierre, Doray Mathieu, Masse Jacques, Petitgas Pierre (2010). Pelagic fish stock assessment by acoustic methods at Ifremer. R.INT. DOP/DCN/EMH 10- 02. https://doi.org/10.13155/11446