Table 4.
A Comparison of Trapping Success and Residency of Rodents
in Relation to Activity Strata of Area 11-C, NTS
Number of Captures
High Activity®
Low Activity
Stratum
Stratum
Expected
Observed
Species
L0Z
Ammospermophilus
leucurus
Number of Residents
High Activity*
Low Activity:
Stratum
Stratum
Expected
Observed
51
14.1
9
14
3.3
0
Dipodomys merriami
60
21.2
30
6
2.6
5
Dipodomys microps
107
29.1
17
25
6.3
2
60
18.8
20
12
3.1
1]
2
0.9
2
0
0
0
Onychomys torridus
34
10.1
9
12
2.8
0
Peromyscus spp.
30
10.8
16
4
1.2
]
Perognathus Ttongimembris
Neotoma
lepida
Totals
Number of Species
19.3 °
gx*
344
105
103
73
7
7
7
6
6
4
2.37
2.43
1.66
Species Diversity (H')
*Represents 23.5% of trapping grid (>25,000
cpm 24am),
**Significantly different than expected (P<.01);3 chi square,