TABLE X
Sodium (kg per ha) in Plant and Soil Material in Ecosystems
TIWS
Pinus Pinus Pinus
Pinus Pinus Pinus Pinus Picea
Picea
Picea
Pica
p i c a
qlve8t& aylvestria sylveatria qlveatria .?yh?.EtriE nigra
nigra
abim
abiea
abiea
abiea
abiea
Location
England Scotland England England Scotland England Scotland Eneland England England Sweden Sweden
_-___Stand Number
Age of trees in years
Living plants
Tree layer
Fruit
Leaves
Branches
TNIlkS
Understorey plant8
Roots
On trees (branches)
Litter on ground (L, F
Mineral soil (exchangeable)
Removed in harvested trunks
Total removed in tree trunks
if clear felled
Depth of sampling in mineral
soil cm
Reference
Dead plant material
and H)
- 1
4
23
33
-
< I
1
3
1
2
1
< I
<1
< 1
6
-
< I
1
3
34
< I
0
-
-
1
<1
-
-
A
B
-
-
.,
"
5
G
7
10
11
12
41
56
< I
1
1
2
5
2
4
30
-
1
2
6
51
-
3
5
-
5
10
70
-
C
A
G4
46
3
3
-
-
5
-
70
L)
C
-
"0
} 12
2
0
-
-
3
68
< I
2
60
C
18
19
20
21
47
47
5.'
58
-
-
70
70
C
C
E
E
For key to references see foot of Table XV.