p. 67 - 75 DONNEES PRELIMINAIRES CONCERNANT LES LES FORMES DE L'AZOTE MINERAL DANS LES EAUX DE MER DU LITTORAL ROUMAIN Liliana Dorogan, Lucia Popa et Iulia Voinescu Institut Roumain de Recherches Marines Constanta Abstract The paper presents the interdependance of the mineral nitrogen forms from the Romanian offshore waters, in hydrobiologic conditions to the period of the December 1979-November 1981.