p. 69 - 85 DYNAMIQUE DES CHAMPIGNONS COMMUNS DES EAUX LITTORALES ROUMAINES Mukadder Mujdaba-Apas Institut Roumain de Recherches Marines Constanta Abstract Observations on biological cycle of Romanian nearshore waters throught Crisan-Gura Buhaz and Navodari-Vama Veche zones were performed. All 1983 year qualitative and quantitative aspect, the frequency of both dominant and less representative species had been done. A special attention to the pathogen fungs was accorded.