... decrease in wood density of maritime pine from the pith to the sixthannual ring, followed by an increase of about20 %. These variations in density are relatedto those of ... byconsidering other determinants. In the innerrings below 6 m (classes 1, 2 and 5), the relationships were slightly poorer than in the other positions and in C1 and C5, the coefficients ... of juvenile wood than ever before, and the quality, strength and stability of floors,boards and plywood made from maritime pine wood (around 30 % of the maritime pine wood production)...