biologia - Studia

STRUCTURE AND DYNAMICS OF THE PREDATOR MITE’S POPULATIONS IN SHRUBS ECOSYSTEMS
100%
90%
80%
70%
3600
9
3400
11
900
3
7900
15
Toto/year
October
August
May
60%
50%
5
6
10
40% 1600
30%
8
20%
1700
10%
300
2
0%
ind./sq.m.
no.sp.
1500
9
1600
300 2
ind./sq.m.
no.sp.
800
100
ind./sq.m.
3
1
no.sp.
3900
14
3400
600 3
ind./sq.m.
no.sp.
L S1 S2 Toto/year
Fig. 5. The numerical densities and the number of species of the mites, in soil layers
in ecosystem from Cornu.
100%
90%
80%
5400
14
1300
6
1100
5
7800
17
Toto/year
October
August
May
70%
60%
50%
7
3
2
10
40%
30%
20%
2200
900
8
500
300
3
400
500
3
3100
11
1700
10%
2300
8
500
3
200
2
3000 10
0%
ind./sq.m.
no. sp.
ind./sq.m.
no. sp.
ind./sq.m.
no. sp.
ind./sq.m.
L S1 S2 Toto/year
Fig. 6. The numerical densities and the number of species of mites, in soil layers
in ecosystem from Nistoreşti.
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