Add to ORKGA 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
International audienceMultibeam omnidirectional sonars are tools currently used by fishers, but also...
Fish aggregation is important in terms of biology, fisheries, and measurement, quantitative analyses...
Fish aggregation is important in terms of biology, fisheries, and measurement, quantitative analyses...
Pelagic fish (Clupeids, Carangids, Engraulids, Scombroids, etc.) are normally forming dense schools,...
The internal structure and behaviour of clupeid schools has been observed #in situ$ during unstresse...
ICES-Working Group on Fisheries Acoustics Science and Technology, San Diego, USA, April 27-30. 2010
The influence of fish behaviour on the most common stock assessment methods is reviewed. Fish behavi...
Fish behaviour may lead in several ways to uncertainties in acoustic abundance estimation. Practical...
This thesis explored the influence of fish behavior and distribution on the accuracy and precision o...
A method for acoustic abundance estimation by horizontal guided sonar of fish schooling close to sur...
Abstract A method for acoustic abundance estimation by horizontal guided sonar of fish schooling clo...
Int. Symp. on Fisheries Acoustics, Seattle, WA (USA), 22-26 Jun 1987Fish behaviour may lead in sever...
Small pelagic fish are known to aggregate into schools and clusters of schools. It is commonly assum...
Int. Symp. on Fisheries Acoustics, Seattle, WA (USA), 22-26 Jun 1987Fish behaviour may lead in sever...
The study of the internal school structure and behaviour of pelagic fish provides interesting inform...
International audienceMultibeam omnidirectional sonars are tools currently used by fishers, but also...
Fish aggregation is important in terms of biology, fisheries, and measurement, quantitative analyses...
Fish aggregation is important in terms of biology, fisheries, and measurement, quantitative analyses...
Pelagic fish (Clupeids, Carangids, Engraulids, Scombroids, etc.) are normally forming dense schools,...
The internal structure and behaviour of clupeid schools has been observed #in situ$ during unstresse...
ICES-Working Group on Fisheries Acoustics Science and Technology, San Diego, USA, April 27-30. 2010
The influence of fish behaviour on the most common stock assessment methods is reviewed. Fish behavi...
Fish behaviour may lead in several ways to uncertainties in acoustic abundance estimation. Practical...
This thesis explored the influence of fish behavior and distribution on the accuracy and precision o...
A method for acoustic abundance estimation by horizontal guided sonar of fish schooling close to sur...
Abstract A method for acoustic abundance estimation by horizontal guided sonar of fish schooling clo...
Int. Symp. on Fisheries Acoustics, Seattle, WA (USA), 22-26 Jun 1987Fish behaviour may lead in sever...
Small pelagic fish are known to aggregate into schools and clusters of schools. It is commonly assum...
Int. Symp. on Fisheries Acoustics, Seattle, WA (USA), 22-26 Jun 1987Fish behaviour may lead in sever...
The study of the internal school structure and behaviour of pelagic fish provides interesting inform...
International audienceMultibeam omnidirectional sonars are tools currently used by fishers, but also...
Fish aggregation is important in terms of biology, fisheries, and measurement, quantitative analyses...
Fish aggregation is important in terms of biology, fisheries, and measurement, quantitative analyses...