p. 247 - 262 ON THE DEVELOPMENT OF NOCTILUCA SCINTILLANS (MACARTNEY) KOFOID AND SWEZY UNDER THE EUTROPHICATION OF THE ROMANIAN BLACK SEA WATERS Florica Porumb Romanian Marine Research Institute Constanta Abstract An intensification of the eutrophication process was recorded in the last years in the Romanian littoral marine waters. Eutrophication affected especially coastal area and induced some derangements of the marine ecosystem functioning.