Journal of Wood Science

Official Journal of the Japan Wood Research Society

Table 6 Direct and indirect path coefficients of various variables affecting longitudinal shrinkage (Y₄)

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

	X₁ → Y₄	X₂ → Y₄	X₃ → Y₄	X₄ → Y₄	X₅ → Y₄	X₆ → Y₄
X₁→	− 0.3039	0.0540	0.0062	0.0111	0.0085	0.0349
X₂→	− 0.0760	0.2159	0.0299	0.0035	− 0.0089	− 0.0330
X₃→	0.0288	− 0.0991	− 0.0652	− 0.0030	0.0041	0.0109
X₄→	− 0.1453	0.0327	0.0084	0.0233	0.0057	0.0147
X₅→	0.0739	0.0549	0.0077	− 0.0038	− 0.0350	− 0.0309
X₆→	− 0.1152	− 0.0774	− 0.0077	0.0037	0.0117	0.0921

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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