p. 267 - 272 QUELQUES CONSIDERATIONS CONCERNANT LES CHALUTS POUR LES NAVIRES DE GRAND TONNAGE N. Jelescu Institut Roumain de Recherches Marines Constanta Abstract Some reasons for the development of the fishing by trawling are reported introductorily. The main research directions concerning the improvement of the construction and operation technologies of trawls as well as the author's results obtained at the Romanian Marine Research Institute Constantza are briefly poited out. Based on the study carried out on the achievements and development trends of the researches, the author expresses his opinion about the major research topics to be achieved in the future.