ECOMANCHE II

Name: ECOMANCHE II
Start: 1979-06-11
End: 1979-07-09
Location: English Channel

Type	Oceanographic cruise
Ship	Cryos
Ship owner	Ifremer
Dates	11/06/1979 - 09/07/1979
Chief scientist(s)	CHARDY Pierre
	OBSERVATOIRE AQUITAIN DES SCIENCES DE L'UNIVERS (OASU) OASU - Bâtiment B18N Allée Geoffroy Saint Hilaire CS 50023 33615 PESSAC Cedex +33 (0)5 40 00 83 50 https://www.oasu.fr/
DOI	10.17600/79004011
Objective	Ecological reference state of the Channel Sea. Methodological aspects of data collection and processing. Long-term and large-scale monitoring at benthic, pelagic and ecotoxicological levels.

Sea/Ocean

English Channel

(MANCHE)

Ports

Port of departure : Concarneau (France)

Port of return : Brest (France)

Scientific Authority

DYNECO-DPT DYNAMIQUES DE L'ENVIRONNEMENT COTIER

IFREMER Centre de Bretagne

ZI Pointe du diable

29280 PLOUZANE

+33 (0)2 98.22.43.51

https://dyneco.ifremer.fr/

Participating bodie(s)

CENTRE OCEANOLOGIQUE DE BRETAGNE BREST

Discipline(s)

PHYSICAL OCEANOGRAPHY
BIOLOGICAL OCEANOGRAPHY
MARINE GEOSCIENCES

Code	Label	Quantity	PI
B08	Phytoplankton	89	BOUCHER Jean
B09	Zooplankton	217	BOUCHER Jean
B18	Zoobenthos	29	CHARDY Pierre
B19	Demersal fish	5 specimens	ANTOINE Loic
B20	Molluscs	35 specimens	ANTOINE Loic
B65	Exploratory fishing	-	CHARDY Pierre
B71	Particulate organic matter (inc POC Carbone et azote	89	BOUCHER Jean
B90	Other biological/fisheries meas. Dosage aminoacides et hydrates carbone	89 measurements	BOUCHER Jean
G08	Bottom photography et vues cinematographiques du fond	-	CHARDY Pierre
G90	Other geosciences meas. Etudes littorales	-	CHARDY Pierre
H09	Water bottle stations	89 stations	BOUCHER Jean
H22	Phosphate	89 stations	BOUCHER Jean
H24	Nitrate	89 stations	BOUCHER Jean
H25	Nitrite	89 stations	BOUCHER Jean
P02	Trace metals	29 stations	BOUCHER Jean
P12	Bottom deposits	-	CHARDY Pierre

Summary of measurements

-PELAGOS: at station.
-Sediment sampling for pollutant analysis: 29 Shipeck grabs.
-Hydrology: Bottle-lines, temperature, salinity, dissolved oxygen, nutrients, suspended particles, population analysis: 89 bottle-lines of 2 to 3 bottles.
-88 vertical sampling zooplankton fisheries: faunistic analysis, determination of biomass and physiological indices.
-139 horizontal samples zooplankton fisheries: horizontal distribution of species and rhythmic variations, nutrition and biomass of the main species, reserve substances (proteins, lipids) of copepods and crustaceans.
-BENTHOS: at station.
-Strict area bathymetric survey and underwater TV recognition, underwater camera shots.
-Spot sampling in stands identified at TV: 73 Hamon grabs, 26 McIntyre grabs.
-35 hauls of scalops dredge, 5 hauls of Honfleur type beam trawl.

Location map

Positionning system

Geodetic system : VALEUR INDEFINIE

Sampling operations

Name	Dive	Equipement	Date	Location	Depth(m)
BS-1	-	Benne SHIPECK	19790616 00:00:0016/06/1979 00:00:00	49° 27.000' N 0° 5.300' W	-
BS-10	-	Benne SHIPECK	19790616 00:00:0016/06/1979 00:00:00	49° 27.500' N 0° 22.900' W	-
BS-11	-	Benne SHIPECK	19790616 00:00:0016/06/1979 00:00:00	49° 28.000' N 0° 22.900' W	-
BS-12	-	Benne SHIPECK	19790616 00:00:0016/06/1979 00:00:00	49° 28.500' N 0° 22.900' W	-
BS-13	-	Benne SHIPECK	19790616 00:00:0016/06/1979 00:00:00	49° 29.000' N 0° 22.900' W	-
BS-14	-	Benne SHIPECK	19790616 00:00:0016/06/1979 00:00:00	49° 29.500' N 0° 22.900' W	-
BS-15	-	Benne SHIPECK	19790616 00:00:0016/06/1979 00:00:00	49° 30.000' N 0° 22.900' W	-
BS-16	-	Benne SHIPECK	19790616 00:00:0016/06/1979 00:00:00	49° 30.500' N 0° 22.900' W	-
BS-17	-	Benne SHIPECK	19790616 00:00:0016/06/1979 00:00:00	49° 31.000' N 0° 22.900' W	-
BS-18	-	Benne SHIPECK	19790616 00:00:0016/06/1979 00:00:00	49° 31.500' N 0° 22.900' W	-
BS-19	-	Benne SHIPECK	19790616 00:00:0016/06/1979 00:00:00	49° 32.000' N 0° 22.900' W	-
BS-2	-	Benne SHIPECK	19790616 00:00:0016/06/1979 00:00:00	49° 27.000' N 0° 5.300' W	-
BS-20	-	Benne SHIPECK	19790616 00:00:0016/06/1979 00:00:00	49° 32.500' N 0° 22.900' W	-
BS-21	-	Benne SHIPECK	19790616 00:00:0016/06/1979 00:00:00	49° 33.000' N 0° 22.900' W	-
BS-22	-	Benne SHIPECK	19790617 00:00:0017/06/1979 00:00:00	49° 29.000' N 1° 5.600' W	-
BS-23	-	Benne SHIPECK	19790617 00:00:0017/06/1979 00:00:00	49° 29.000' N 1° 5.600' W	-
BS-24	-	Benne SHIPECK	19790617 00:00:0017/06/1979 00:00:00	49° 32.800' N 1° 11.900' W	-
BS-25	-	Benne SHIPECK	19790617 00:00:0017/06/1979 00:00:00	49° 32.800' N 1° 11.900' W	-
BS-26	-	Benne SHIPECK	19790617 00:00:0017/06/1979 00:00:00	49° 35.400' N 1° 10.000' W	-
BS-27	-	Benne SHIPECK	19790617 00:00:0017/06/1979 00:00:00	49° 38.600' N 1° 12.200' W	-
BS-28	-	Benne SHIPECK	19790617 00:00:0017/06/1979 00:00:00	49° 38.600' N 1° 12.200' W	-
BS-3	-	Benne SHIPECK	19790616 00:00:0016/06/1979 00:00:00	49° 25.000' N 0° 5.000' W	-
BS-4	-	Benne SHIPECK	19790616 00:00:0016/06/1979 00:00:00	49° 22.900' N 0° 0.500' W	-
BS-5	-	Benne SHIPECK	19790616 00:00:0016/06/1979 00:00:00	49° 25.000' N 0° 22.900' W	-
BS-6	-	Benne SHIPECK	19790616 00:00:0016/06/1979 00:00:00	49° 25.500' N 0° 22.900' W	-
BS-7	-	Benne SHIPECK	19790616 00:00:0016/06/1979 00:00:00	49° 26.000' N 0° 22.900' W	-
BS-8	-	Benne SHIPECK	19790616 00:00:0016/06/1979 00:00:00	49° 26.500' N 0° 22.900' W	-
BS-9	-	Benne SHIPECK	19790616 00:00:0016/06/1979 00:00:00	49° 27.000' N 0° 22.900' W	-

Bibliography

References of Articles published in other Periodicals or Scientific Works acclaimed in the Field

Aminot Alain, Guillaud Jean-Francois, Kerouel Roger (1997). La baie de Seine : hydrologie, nutriments, chlorophille (1978-1994). Repères océans, (14). Open Access version : https://archimer.ifremer.fr/doc/00000/1428/

References of Technical Reports

Boucher Jean (1980). Campagnes ECOMANCHE I - II. Etat de référence écologique de la Manche. 12-24 mai 1978 - 11-23 juin 1979. Fascicule 1 : pélagique. Publications du Centre National pour l'Exploitation des Océans (CNEXO), Série Résultats des campagnes à la mer, n°21 - 1980. ISSN 0339-2902. https://archimer.ifremer.fr/doc/00431/54256/