Developmental Trends of Black Spruce Fibre Attributes in Maturing Plantations

Figure 1

Matrix of temporal annual correlation patterns for bivariate relationships between individual attributes by cambial age. Note: () only Pearson moment correlation coefficients which were significant () are displayed, and () , , , , , , , , and denote annual-ring-width area, wood density, microfibril angle, modulus of elasticity, fibre coarseness, tracheid wall thickness, radial tracheid diameter, tangential tracheid diameter, and specific surface area, respectively.