Journal of Wood Science

Official Journal of the Japan Wood Research Society

Table 4 Direct and indirect path coefficients of various variables affecting radial shrinkage (Y₂)

From: Wood density and wood shrinkage in relation to initial spacing and tree growth in black spruce (Picea mariana)

	X₁ → Y₂	X₂ → Y₂	X₃ → Y₂	X₄ → Y₂	X₅ → Y₂	X₆ → Y₂
X₁→	0.1411	− 0.0130	− 0.0067	− 0.0170	0.0591	0.1422
X₂→	0.0353	− 0.0522	− 0.0325	− 0.0054	-0.0618	− 0.1345
X₃→	− 0.0134	0.0239	0.0709	0.0045	0.0286	0.0445
X₄→	0.0675	− 0.0079	− 0.0091	− 0.0355	0.0399	0.0598
X₅→	− 0.0343	− 0.0133	− 0.0084	0.0058	− 0.2430	− 0.1257
X₆→	0.0535	0.0187	0.0084	− 0.0057	0.0815	0.3751

X₁ = log height, X₂ = DBH class, X₃ = stand density X₄ = ring width, X₅ = distance from the pith, X₆ = basic wood density
Major direct path coefficients are highlighted in bold

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