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Table 9 Effect of site type on hypothesis equations in Scots pine and Norway spruce. The p values and chi square (χ2) are listed

From: Age effect on tree structure and biomass allocation in Scots pine (Pinus sylvestris L.) and Norway spruce (Picea abies [L.] Karst.)

x k

y k

Scots pine (162)

Norway spruce (163)

p

χ 2

p

χ 2

A c

W f

0.841

0.039

0.053

3.746

A c

A b

0.348

0.880

0.288

1.125

ρ b H b A b

W b

0.145

2.117

0.787

0.073

lnH c

lnH b

0.790

0.070

0.373

0.793

H c A c

V c

0.157

1.997

0.183

1.772

(1 + r)/2r

φ s

0.198

1.650

0.969

0.001

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Annals of Forest Science

ISSN: 1297-966X