Effects of Intraguild Predation: Evaluating Resource Competition between Two Canid Species with Apparent Niche Separation

Table 1

Species and abundance of small mammals caught during 1999–2001, Dugway Proving Ground, Utah. PEMA: Peromyscus maniculatus, REME: Reithrodontomys megalotis, DIOR: Dipodomys ordi, ONLE: Onychomys leucogaster, NELE: Neotoma lepida, PETR: Peromyscus truei, AMLE: Ammospermophilus leucurus, DIMI: Dipodomys microps, PEPA: Perognathus parvus.

Habitat	PEMA	REME	DIOR	ONLE	NELE	PETR	AMLE	DIMI	PEPA	No. of species
Shrub-steppe	76	14	30	1	15	9	2	3	2	9
Grassland	23	10	1	2	0	0	0	1	0	5
Stable dune	28	16	26	11	0	4	4	0	1	7
Greasewood	63	24	0	0	0	1	0	3	0	4
Chenopod	53	2	0	2	0	0	0	0	0	3
Pickleweed	44	0	1	0	0	0	2	0	0	3
Urban	55	0	0	1	0	0	0	0	0	2
Total	342	66	58	17	15	14	8	7	3