%0 Conference Proceedings
%9 ACTI : Communications avec actes dans un congrès international
%A Fréon, Pierre
%A Gerlotto, François
%T Influence of fish behaviour on fish stock abundance estimations
%C Copenhague
%D 1988
%L fdi:26665
%G ENG
%I ICES
%K POISSON ; ETHOLOGIE ; STRUCTURE DE POPULATION ; ESTIMATION DE STOCK
%K BANC
%P 7  multigr.
%U https://www.documentation.ird.fr/hor/fdi:26665
%> https://horizon.documentation.ird.fr/exl-doc/pleins_textes/pleins_textes_5/b_fdi_20-21/26665.pdf
%W Horizon (IRD)
%X A new methodolgy is proposed for studying fish school behaviour, allowing to quantify its influence on stock abundance estimations. Observations are collected in open sea or inside a large net set in shallow waters. Preliminary results concerning fish reactions show a modification of the school structure under a research vessel using acoustic devices for abundance measurements. The school structure, even when the fish is not disturbed, shows an irregular density distribution in opposition to the common belief. (Résumé d'auteur)
%B Fish Capture Committee Working Group Meetings : Fisheries Acoustic Science and Technology Session
%8 1988/04/18-22
%$ 040PECHE03