TABLE XIX - continued
Authority
Location
Lat. Long.
Plant community
Age
Leaf crop
( Y d
(metric
tonslhalvr)
Ovington and Madgwick,
1959
Ovington, 1962
Tadaki et al., 1961
Tadaki and Shidei, 1960
Bray and Dudkiewicz,
Bray and Dudkiewicz,
Satoo et al., 1956
Auten, 1941
Tadaki and Shidei, 1960
Tadaki and Shidei, 1960
Tadaki and Shidei, 1960
Tadaki and Shidei, 1960
Ovington, 1957
1963
1963
Kittredge, 1944
England, Peterborough
Japan
Japan
Japan
U.S.A., Itasca, Minn.
Canada, Dorset, Ontario
Japan, Hokkaido
U.S.A., Illinois or Indiana
Japan
Japan
Japan
Japan
England, Brandon
U.S.A., Stanislaus National
Forest, California
Maruyama and Satoo, 1953 Japan, Makibori, Iwate
Mork, 1942
Norway, Hirkjolen
Burger*
Switzerland
Shibamoto*
Japan
53N
OW Betula verrucosa
Betula maximowicziana
43N 144E Betula platyphylla
35N 136E Betula ermanii
47N 95W Populw tremuloidee closed forest
45N
43N
40N
35N
35N
35N
35N
52N
38N
40N
62N
79W Populua tremuloidea - Populua grandidentaka
open forest
143E Populua davidiana:
88W Robinia pseudacacia on old field
Bassafras albidum on old field
136E Alnus hirsuta
136E A l n w hirsukz v. sibirica
136E S a l k gracilistyla
136E Salix vulpina
1E Pinua dveatris, plantation
Pin- silvestris, natural regeneration
P i n w nigra, plantation
P i n w ponderosa
88W Pinua densiJora forest
10E Picea abies
120W
Larix decidua
Larix leptolepis
24-55
10
41
39
25-40
9
12
3-55
11-14
31
65-69
40
1.7
2.2
1.2
2.4
3.8
1.6
2.2
2.9
2.8
2.6
2.6
3.5
2-3
2.9
3.9
3.7
2.0
1.7
0.8
2.6
3.3
*From Tadaki and Shidei (1960).