TABLE 11. Tree Trunks at Quality class I sites
Tree species
Pinus aylvestria
Pinua sylvestris
Pinus sylveatris
Pinus sylveatris
Pinus nigra
Picea abiea
Picea abiea
Picea abies
Paeudotazcga taxifolia
Abiea grandis
Abies alba
Abiea alba
Larix deciduu
Quercus robur
Qucrcus robur
Quercus robur
Quercus robur
Fagwr sylvatica
Fagua sylvatiw
Fagua sylvatica
Fagua sylvatica
Betulu vcrrucosa
Betula vermosa
Country
Britain
Germany
Britain
Germany
Britain
Britain
Germany
Germany
Britain
Britain
Germany
Germany
Britain
Britain
Germany
Britain
Germany
Britain
Germany
Germany
Britain
Germany
Germany
Age
in years
50
50
75
140
50
50
50
120
50
50
50
120
50
50
50
150
200
50
50
140
150
50
80
Standing tree trunks
Height
i n m
20
19
27
32
24
23
21
36
33
37
19
34
24
18
18
31
34
21
19
38
33
21
26
Number
per ha
556
998
297
223
195
605
1468
284
309
235
1 800
400
309
667
971
62
100
642
-
79
553
230
Oven-dry
weight
lO*kg/ha
169
141
230
229
205
219
168
307
305
285
182
461
135
99
103
163
354
135
152
413
295
89
117
Tree trunks
as thinning8
Cumulative weight
lo3 kg/ha
154
54
271
261
200
157
41
328
210
317
54
276
123
64
75
297
426
108
46
281
443
37
97
~~~
Source of volume
figures for conversion
to oven-dry weights
Hiley, 1954
Schwappach, 1912
Hiley, 1954
Schwappach, 1912
Hiley, 1954
Hiley, 1954
Schwappach, 1912
Schwappach, 1912
Hiley, 1954
Christie and Lewis, 1961
Schwappach, 1912
Schwappach, 1912
Hiley, 1954
Waters and Christie, 1958
Schwappach, 1912
Waters and Christie, 1958
Schwappach, 19 12
Waters and Christie, 1958
Schwappach, 1912
Schwappach, 1912
Waters and Christie, 1958
Schwappach, 1912
Schwappach, 1912