CECAF Cooperative Survey 1986. Cruise Report Dr. Fridtjof Nansen - Report on a Trawl Survey in Gambia (10-12 September 1986)

CECAF Cooperative Survey 1986. Cruise Report Dr. Fridtjof Nansen - Report on a Trawl Survey in Gambia (10-12 September 1986)

Year of publication 1986

Place of publication Rome, Italy ;

Author Augusto P.J. Silva, Joseph Ndene, Anna Lloyd Evans, Tore Stromme, Alvaro Abella, Kjell Stronmsnes, Terje Haugland, Erling Molvaer

Publisher Institute of Marine Research, Bergen ;

Product type Project

Edition 1

Language English

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CECAF Cooperative Survey 1986. Preliminary Cruise Report Dr. Fridtjof Nansen - Cruise No. 1, 1st Part, August 17-28, 1986. September 10-12 Sherbro - Bijagos Islands 1986

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The survey tracks and fishing stations worked are shown in Figure 1. When steaming south after departure from Dakar on August 17 the shelf was followed so that a track along the banks was obtained.
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CECAF Cooperative Survey 1986. Interim Cruise Report Dr. Fridtjof Nansen - Surveys of the Shelf Between Agadir and Cape Juby (September - November 1986) 1986

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In accordance with the survey plan a main acoustical coverage of the shelf from Agadir to Cape Juby was first to be made to localize the aggregations of small pelagic fish, mainly sardines. Then effort was to be concentrated on these aggregations with detailed studies on biomass estimation, target strength and fish behaviour.
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CECAF Cooperative Survey 1986. Cruise Report Dr. Fridtjof Nansen, 22 September - 3 October 1986 - A Survey of the Small Pelagic Fish Resources in Morocco from Agadir to Cape Juby 1986

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In an agreement between NORAD and FAO/UNDP the R/V “Dr. Fridtjof Nansen” has been scheduled to work in the region from Morocco to Sierra Leone within the CECAF programme from August to December 1986. A planning meeting was held on 7-9 April at Santa Cruz de Tenerife, where it was agreed that the R/V “Dr. Fridtjof Nansen” should work in Morocco for abt. 14 days in September and in November, in cooperation with the new R/V “Charif El Idrissi”. The first survey was set to the period 22 September to 5 October. Due to technical problems the “Charif El Idrissi” could not participate in the September survey, and it was decided that “Dr. Fridtjof Nansen” should do the acoustical work by itself. In November the two vessels plan to do a joint survey. In accordance with the survey plan a main acoustical coverage of the shelf from Agadir to Cape Juby was first to be made to localize the aggregations of small pelagic fish, mainly sardines. Then effort was to be concentrated on these aggregatio ns with detailed studies on biomass estimation, target strength and fish behaviour.

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