p. 263 - 270 OBSERVATIONS SUR LES MORTALITIES DES ORGANISMES MARINS SUR LE LITTORAL ROUMAIN EN ETE 1989 M.-T. Gomoiu Institute Roumain de Recherches Marines Constanta Abstract The author presents an exceptional situation at the Romanian littoral of the Black Sea: mass mortalities of fishes, molluscs, shellfishes, macrophytes etc.,owing to the algal blooms during the summer of 1989.