Administrative Report of DFC

In 1966, the research was based on the material collectedduring two trips of industrial fishing vessels, and one trip ofthe Sea Fisheries Institute's M.T. "Wieczno". They operatedin theoregion of the north';'west African coast betwe'ern 25 44 'Nand 13 36'N. The period of the trip was February/March 1966.Catches were made with a bottom trawl at a depth of 20-460 m.The investigations concerned the determination ofthe speciescomposition of the catches, and the percentage of those speciesoccurring most frequently. The .analyses were aimed at anidentification'of the fish communities, on the basis of thespecies composition in commercial catches •