Development of predictive model of cod-end selectivity (PREMECS-II)
Overview
This project develops a predictive model of
cod-end selection so that the selectivity of commercially used cod-ends fished in
commercial conditions can be predicted.
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Objectives
This project investigates the influence on selectivity process in cod-end of:
- Netting
materials
- Effects of sea state, vessel, trawl gear and cod-end
- fish morphology
and behaviour
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Description of the work
In order to develop the predictive model, the knowledge is improved on:
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Cod-end geometry in commercial conditions
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Fish cod-end escape behaviour
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fish morphology
The cod-end geometry is investigated trough flume tank tests, sea trials and numerical
modelling. Fish morphology is quantified trough sea trials. Fish cod-end escape
behaviour is studied with sea trials and modelling
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Responsible CNR-ISMAR
Antonello Sala (CNR-ISMAR, Ancona):
a.sala@ismar.cnr.it
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Partners
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IFREMER
(Daniel
PRIOUR, Co-ordinator)
French research institute for exploitation of the sea
Marine technology and information systems Division
Brest
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France
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MARLAB
(Barry O'Neill)
Fisheries Research Services
Aberdeen, United Kingdom
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CNR-ISMAR,
Ancona
(Antonello Sala)
Consiglio Nazionale delle Ricerche
– Istituto di Scienze Marine, Ancona
Ancona Italy
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LI2 / ENIB
(Pierre
Chevaillier)
Ecole
Nationale d'ingénieur de Brest
France
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DIFRES
(Bent
Herrmann)
Danish Institute for Fisheries Research
Lyngby -
Denmark
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Project Web-site
http://www.ifremer.fr/premecs
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