Sea/Ocean |
English Channel North Sea (Manche Orientale et Sud mer du Nord) |
Ports |
Port of departure : Boulogne (France)
Port of return : Cherbourg (France)
|
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) |
Museum Histoire Naturelle Paris, Université de Caen, IUT de Calais, Nausicaa. |
Discipline(s) |
- PHYSICAL OCEANOGRAPHY
- FISHERIES
Code |
Label |
Quantity |
PI |
B14 |
Pelagic fish Pesees,denombrements,mensurations |
137 specimens |
COPPIN Franck |
B19 |
Demersal fish Pesees,denombrements, mensurations |
137 specimens |
COPPIN Franck |
B20 |
Molluscs Pesees,denombrements |
137 specimens |
COPPIN Franck |
B21 |
Crustaceans Pesees,denombrements |
137 specimens |
COPPIN Franck |
B65 |
Exploratory fishing 108+29 Chalutages de fond (GOV) et CP3 |
- |
COPPIN Franck |
B90 |
Other biological/fisheries meas. Prelevements d'otolithes et d'ecailles |
1155 specimens |
COPPIN Franck |
D90 |
Other physical oceanographic meas. Temp et salinite |
108 stations |
COPPIN Franck |
H10 |
CTD stations Sonde Micrel : temp et salinite |
108 stations |
COPPIN Franck |
|
Summary of measurements |
- -108 30-min trawling with a GOV (large vertical opening) bottom trawler.
-Sorting and weighing of all species caught. Measurements of commercial species caught. -29 15-min CP3 beam trawlings. - Otoliths were taken on whiting (546), cod (16) and plaice (293). -Otolith (150) and scale (150) samples taken from goatfish which were individually weighed and photographed. -Continuous (periods of 15 s) underway recording of temperature and salinity on the seabed during the fishing operations using a Micrel probe on lead lines. Surf temperature and salinity while shooting and turning. Trawl geometry recorded using the SCANMAR system. -Storage of fish specimens in formaldehyde for the Museum National d'Histoire Naturelle de Paris collections. -Cephalopod (squid and cuttlefish) samples taken for statolith analysis (Université de Caen) and 30 plaice samples taken for the IUT de Caen group. -Dogfish samples (5kg) taken for the Office de Protection contre les Rayons Ionisants (OPRI) and dab showing necrosis for the Université du Littoral Côte d'Opale. -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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