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,