Sea/Ocean |
English Channel North Sea (Manche orientale et sud mer du Nord (CIEM VIId et IVc)) |
Ports |
Port of departure : Boulogne (France)
Port of return : Cherbourg (France)
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Project |
Channel Ground Fish Survey,TRADITIONAL FISHERIES,INFORMATION SYSTEMS, ECONOMY, DIAGNOSIS OF RESOURCES |
Scientific Authority |
HALIEUTIQUE MANCHE MER DU NORD - BOULOGNE-SUR-MER Centre Ifremer Manche Mer du Nord 150 quai Gambetta 62200 Boulogne-sur-Mer +33 (0)3 21 99 56 00 https://manchemerdunord.ifremer.fr/ |
Participating bodie(s) |
IFREMER Boulogne et Port-en-Bessin ; Nausicaa |
Discipline(s) |
- PHYSICAL OCEANOGRAPHY
- FISHERIES
Code |
Label |
Quantity |
PI |
B14 |
Pelagic fish Pesées, dénombrements, mensurations |
92 specimens |
COPPIN Franck |
B19 |
Demersal fish Pesées, dénombrements, mensurations |
90 specimens |
COPPIN Franck |
B20 |
Molluscs Pesées, dénombrements |
92 specimens |
COPPIN Franck |
B21 |
Crustaceans Pesées, dénombrements |
92 specimens |
COPPIN Franck |
B65 |
Exploratory fishing Chalutages de fond (GOV) |
95 hauls |
COPPIN Franck |
B90 |
Other biological/fisheries meas. Prélèvements d'otolithes et d'écailles |
806 specimens |
COPPIN Franck |
D90 |
Other physical oceanographic meas. Relevés SCANMAR |
95 hauls |
COPPIN Franck |
H10 |
CTD stations Sonde Micrel : T°C et salinité |
95 stations |
COPPIN Franck |
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Summary of measurements |
- -95 trawlings of 30 minutes with a GOV bottom trawl. All catches are sorted and wheighed. Commercial species are measured.
-Otoliths were taken on whiting (418), cod (65) and plaice (318) -Individual weight, sex and stage of sexual maturity recorded for plaice. -Surface salinity and temperature recorded by Micrel probe attached to lead line while deploying and turning; continuous recording (periods of 15") on the bottom during fishing operations. -Display of the trawl's geometry with each haul (horizontal and vertical openings) using the SCANMAR system. -30 plaice sampled for the University of Caen. -Live fish and invertebrates captured for Nausicaa, the national sea experience centre in Boulogne/mer.
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Location map |
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Positionning system |
Geodetic system : WORLD GEODETIC SYSTEM 1984 = WGS84
Positioning system : GPS naturel et différentiel
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Joint document(s) |
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