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Fiche 1,  Justifications,  Anglais

Record number: 1, Textual support number: 1 CONT

... a variation in catches [was noted] and progressively better catches on later cruises. Although most of the trawl hauls were made when the echo sounder showed "fish signs" near the bottom, a few midwater hauls were made when the sounder indicated fish schools at mid depths, but these hauls were invariably unproductive. Furthermore, because near-bottom trawling over the sea mounts was a new operation for the ship's officers, crew, and ... scientists, ... sufficient opportunity to become familiar with the net in the limited time available on each cruise [was needed].  1, fiche 1, Anglais, - near%2Dbottom%20trawling

Fiche 1,  Justifications,  Français

Fiche 1,  Justifications,  Espagnol