Biogeochemical Models
~
~
c:
.Q
Cii ....
:::J
Cii
(f)
CD
(f)
n:s
co
a
l
c:
0
~
:::J
- n:s
(f)
CD
(f)
n:s
CO
b
~
~
c:
.Q
~
:::J
Cii
(f)
CD
(f)
n:s
CO
C
Soil. Continuous harvesting
100
80
60
40
------------==~-------------- a
-----===-- b c
20
0 4---~----~---r---'----~---.--~
1800 1850 1900 1950 2000 2050 2100 2150
Soil. Periodical harvesting
100
80
60
a
40
b
C
20
0
1800 1850 1900 1950 2000 2050 2100 2150
Soil. Harvesting discontinued
100
80
a
b
60
c
40
20
0
1800 1850 1900 1950 2000 2050 2100 2150
year
303