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) |
Universités de Lille et de Caen, Nausicaa |
Discipline(s) |
Code |
Label |
Quantity |
PI |
B14 |
Pelagic fish Pesees, denombrements, mensurations |
102 specimens |
CARPENTIER André |
B19 |
Demersal fish Pesees, denombrements, mensurations |
102 specimens |
CARPENTIER André |
B20 |
Molluscs Pesees, denombrements |
102 specimens |
CARPENTIER André |
B21 |
Crustaceans Pesees, denombrements |
102 specimens |
CARPENTIER André |
B65 |
Exploratory fishing Chalutages de fond (GOV) |
102 hauls |
CARPENTIER André |
B90 |
Other biological/fisheries meas. Prelevements d'otolithes et d'ecailles |
1713 samples |
CARPENTIER André |
D90 |
Other physical oceanographic meas. Temp C et salinite |
306 measurements |
CARPENTIER André |
|
Summary of measurements |
- -102 30-min hauls with a GOV high opening bottom trawl.
-Sorting and weighing of all species caught. -Measuring of all fish caught. -Otoliths were taken on whiting (510), cod (301), bib (213) plaice (382) and red gurnard. -Continuous (periods of 15 s) underway recording of temperature and salinity on the seabed during the fishing operations using a Micrel probe on the lead line. Surface temperature and salinity while paying out and hauling in. -Recording of the trawl's geometry with each haul (horizontal and vertical openings) using the SCANMAR system. -Samples were taken for the Office for protection against ionizing radiation (OPRI). -Live cod (36) were caught for the Aquaculture Resources laboratory of IFREMER in Brest. -147 live fish were captured for Nausicaa, the national sea experience centre in Boulogne/mer. -41 samples of different species were taken for the National museum of natural history MNHN in Paris.
|
Location map |
|