p. 207 - 212 QUELQUES OBSERVATIONS SUR LA VARIATION ANNUELLE DES COMPOSANTES BIOCHIMIQUES CHEZ MYTILUS GALLOPROVINCIALIS DE LA ZONE DE BAIE DE MAMAIA Cezarina Dincu, M. Crasmaru Institut Roumain de Recherches Marines Constanta Abstract This paper complete the data fund of mussels by biochemical observations on the mussel populations in Mamaia Bay. The results are somehow different as compared to the previous ones, probably due to the modifications on the environmental conditions in the investigated area.