ECOMANCHE I

Name: ECOMANCHE I
Start: 1978-05-12
End: 1978-06-17
Location: English Channel

Type	Oceanographic cruise
Ship	Cryos
Ship owner	Ifremer
Dates	12/05/1978 - 17/06/1978
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	10.17600/78002011
Objective	Ecological reference state of the Eastern Channel. Methodological aspects of data collection at the benthic, pelagic and ecotoxicological levels (mission attached to the theme "Management of the natural environment"). Following the POLMAR missions (Suroit, Thalia) carried out on the sites affected by the stranding of the AMOCO CADIZ, part of the cruise was devoted to monitoring the impact of this pollution on the ecosystems.

Sea/Ocean

English Channel

(MANCHE)

Ports

Port of departure : Brest (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

Code	Label	Quantity	PI
B02	Phytoplankton pigments (eg chloroph	-	BOUCHER Jean
B06	Dissolved organic matter (inc DOC)	-	BOUCHER Jean
B08	Phytoplankton	57	BOUCHER Jean
B09	Zooplankton	57	BOUCHER Jean
B18	Zoobenthos	34	CHARDY Pierre
B20	Molluscs Peche uniquement	106 specimens	CHARDY Pierre
B65	Exploratory fishing	-	CHARDY Pierre
B90	Other biological/fisheries meas. Dosage aminoacides, hydrates carbone	-	BOUCHER Jean
H09	Water bottle stations	-	BOUCHER Jean
H21	Oxygen	-	BOUCHER Jean
H22	Phosphate	-	BOUCHER Jean
H24	Nitrate	-	BOUCHER Jean
H25	Nitrite	-	BOUCHER Jean
P02	Trace metals	-	MARTIN Jean-Louis
P03	Petroleum residues	-	MARTIN Jean-Louis

Summary of measurements

-AT STATION POINTS.
-McIntyre dump sediments (hydrocarbons, mercury).
-Hydrological sampling Niskin bottles: TSS, carbon, nitrogen, protein, carbohydrates, chlorophyll.
-Zooplankton fishing with triple vertical net WP2 and FAO larvae net.
-82 shellfish dredges.
-3 Okean buckets, 116 Hamon buckets.
-32 underwater TV tows.
-UNDERWAY: Continuous sampling.

Location map

Positionning system

Geodetic system : VALEUR INDEFINIE

Positioning system : Decca

Sampling operations

Name	Dive	Equipement	Date	Location	Depth(m)
BI-1	-	Benne SMITH MC INTYRE	19780514 00:00:0014/05/1978 00:00:00	49° 26.000' N 0° 30.800' W	-
BI-10	-	Benne SMITH MC INTYRE	19780514 00:00:0014/05/1978 00:00:00	49° 47.500' N 0° 21.500' E	-
BI-11	-	Benne SMITH MC INTYRE	19780514 00:00:0014/05/1978 00:00:00	49° 57.500' N 0° 17.800' E	-
BI-12	-	Benne SMITH MC INTYRE	19780514 00:00:0014/05/1978 00:00:00	50° 12.000' N 0° 11.000' E	-
BI-13	-	Benne SMITH MC INTYRE	19780514 00:00:0014/05/1978 00:00:00	50° 26.000' N 0° 8.500' E	-
BI-14	-	Benne SMITH MC INTYRE	19780515 00:00:0015/05/1978 00:00:00	50° 20.000' N 0° 32.000' E	-
BI-15	-	Benne SMITH MC INTYRE	19780515 00:00:0015/05/1978 00:00:00	50° 42.000' N 0° 48.500' E	-
BI-16	-	Benne SMITH MC INTYRE	19780515 00:00:0015/05/1978 00:00:00	50° 27.600' N 0° 53.500' E	-
BI-17	-	Benne SMITH MC INTYRE	19780515 00:00:0015/05/1978 00:00:00	50° 13.000' N 0° 59.000' E	-
BI-18	-	Benne SMITH MC INTYRE	19780515 00:00:0015/05/1978 00:00:00	50° 3.400' N 1° 2.500' E	-
BI-19	-	Benne SMITH MC INTYRE	19780515 00:00:0015/05/1978 00:00:00	50° 18.000' N 1° 17.000' E	-
BI-2	-	Benne SMITH MC INTYRE	19780514 00:00:0014/05/1978 00:00:00	49° 35.400' N 0° 34.400' W	-
BI-20	-	Benne SMITH MC INTYRE	19780515 00:00:0015/05/1978 00:00:00	50° 31.200' N 1° 10.400' E	-
BI-21	-	Benne SMITH MC INTYRE	19780515 00:00:0015/05/1978 00:00:00	50° 48.000' N 1° 21.000' E	-
BI-22	-	Benne SMITH MC INTYRE	19780519 00:00:0019/05/1978 00:00:00	49° 34.300' N 0° 11.300' E	-
BI-23	-	Benne SMITH MC INTYRE	19780519 00:00:0019/05/1978 00:00:00	49° 34.100' N 0° 5.200' E	-
BI-24	-	Benne SMITH MC INTYRE	19780519 00:00:0019/05/1978 00:00:00	49° 29.200' N 0° 6.200' W	-
BI-25	-	Benne SMITH MC INTYRE	19780519 00:00:0019/05/1978 00:00:00	49° 28.600' N 0° 1.500' E	-
BI-26	-	Benne SMITH MC INTYRE	19780519 00:00:0019/05/1978 00:00:00	49° 23.600' N 0° 0.600' E	-
BI-27	-	Benne SMITH MC INTYRE	19780519 00:00:0019/05/1978 00:00:00	49° 19.500' N 0° 5.700' W	-
BI-28	-	Benne SMITH MC INTYRE	19780519 00:00:0019/05/1978 00:00:00	49° 18.000' N 0° 15.300' W	-
BI-29	-	Benne SMITH MC INTYRE	19780519 00:00:0019/05/1978 00:00:00	49° 23.600' N 0° 5.200' W	-
BI-3	-	Benne SMITH MC INTYRE	19780514 00:00:0014/05/1978 00:00:00	49° 51.500' N 0° 39.000' W	-
BI-30	-	Benne SMITH MC INTYRE	19780519 00:00:0019/05/1978 00:00:00	49° 23.600' N 0° 15.300' W	-
BI-31	-	Benne SMITH MC INTYRE	19780519 00:00:0019/05/1978 00:00:00	49° 26.200' N 0° 9.000' W	-
BI-32	-	Benne SMITH MC INTYRE	19780519 00:00:0019/05/1978 00:00:00	49° 29.200' N 0° 15.300' W	-
BI-33	-	Benne SMITH MC INTYRE	19780519 00:00:0019/05/1978 00:00:00	49° 34.200' N 0° 14.000' W	-
BI-34	-	Benne SMITH MC INTYRE	19780520 00:00:0020/05/1978 00:00:00	49° 34.200' N 0° 22.200' W	-
BI-35	-	Benne SMITH MC INTYRE	19780520 00:00:0020/05/1978 00:00:00	49° 29.000' N 0° 21.700' W	-
BI-36	-	Benne SMITH MC INTYRE	19780520 00:00:0020/05/1978 00:00:00	49° 23.500' N 0° 21.800' W	-
BI-37	-	Benne SMITH MC INTYRE	19780520 00:00:0020/05/1978 00:00:00	50° 34.500' N 0° 12.000' W	-
BI-38	-	Benne SMITH MC INTYRE	19780520 00:00:0020/05/1978 00:00:00	50° 33.100' N 0° 29.700' W	-
BI-39	-	Benne SMITH MC INTYRE	19780520 00:00:0020/05/1978 00:00:00	50° 26.800' N 0° 52.500' W	-
BI-4	-	Benne SMITH MC INTYRE	19780514 00:00:0014/05/1978 00:00:00	50° 5.700' N 0° 45.000' W	-
BI-5	-	Benne SMITH MC INTYRE	19780514 00:00:0014/05/1978 00:00:00	50° 20.000' N 0° 50.000' W	-
BI-6	-	Benne SMITH MC INTYRE	19780514 00:00:0014/05/1978 00:00:00	50° 18.000' N 0° 19.500' W	-
BI-7	-	Benne SMITH MC INTYRE	19780514 00:00:0014/05/1978 00:00:00	50° 3.400' N 0° 13.200' W	-
BI-8	-	Benne SMITH MC INTYRE	19780514 00:00:0014/05/1978 00:00:00	49° 49.000' N 0° 7.500' W	-
BI-9	-	Benne SMITH MC INTYRE	19780514 00:00:0014/05/1978 00:00:00	49° 38.800' N 0° 5.400' E	-

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/

Bergeron Jean-Pierre (1986). Approche systémique des potentialités de production secondaire pélagique: inférences de fluctuations interannuelles. Oceanologica Acta, 9(3), 291-303. Open Access version : https://archimer.ifremer.fr/doc/00072/18315/

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/

(1978) Compte-rendu - Campagne MANCHE 12/05 au 07/06/1978.