Agriculture Reference
In-Depth Information
N*m
-2
80
70
60
50
40
30
20
Total density
10
0
May June July Aug. Sept. Oct.
% 100
O. bihariensis
O. frivaldszkyi
90
80
70
Octodrilus unident. juv.
D. alpina
D. byblica
60
50
40
30
20
D. clujensis
10
0
May June July Aug. Sept. Oct. 1979
g*m
-2
300
250
200
150
100
Total biomass
50
0
May June July Aug. Sept. Oct.
% 120
O. bihariensis
100
80
O. frivaldszkyi
60
40
Octodrilus unident. juv.
D. alpina
D. byblica
D. clujensis
20
0
May June July Aug. Sept. Oct.
FIGURE 7.11
Seasonal dynamics of the earthworm community with
O. frivaldszkyi
in the vermic cambic
rendzina from Padis (the Apuseni Mountains).
