Agriculture Reference
In-Depth Information
N
*m
-2
100
Total density
80
60
40
20
0
8
O. bihariensis
6
4
2
0
15
O. frivaldszkyi
10
5
0
30
Octodrilus unident. juv.
25
20
15
10
5
0
15
D. alpina
10
5
0
20
D. byblica
15
10
5
0
20
D. clujensis
15
10
5
0
May June July Aug. Sept. Oct. 1979
FIGURE 7.12
Seasonal dynamics of lumbricid density in the vermic cambic rendzina from Padis (the Apuseni
Mountains).
