Camels Back Cave (Stratum II)
Basic information
Sample name: Camels Back Cave (Stratum II)
Reference: D. N. Schmitt, D. B. Madsen, and K. D. Lupo. 2002. Small-mammal data on early and middle Holocene climates and biotic communities in the Bonneville Basin, USA. Quaternary Research 58:255-260 [ER 3199]
Geography
Country: United States
State: Utah
County: Tooele
Coordinate: 40° 6' N, 113° 57' W
Latlng basis: based on nearby landmark
Time interval: Holocene
Section: 3199
Unit number: 2
Unit order: below to above
Ma: 0.00881
Age basis: radiocarbon (uncalibrated)
Geography comments: "in southern Camels Back Ridge" (basis of coordinate)
there is a single radiocarbon date of 8810 +/- 70 B.P. from the middle of Stratum II (presumed to be uncalibrated because the error is symmetrically distributed)
there is a single radiocarbon date of 8810 +/- 70 B.P. from the middle of Stratum II (presumed to be uncalibrated because the error is symmetrically distributed)
Environment
Lithology: siltstone
Taphonomic context: aeolian deposit, cave
Habitat comments: "most of the cave's deposits comprise a mixture of aeolian dust, decomposed organic materials, and cemented tufa and limestone spall from the cave ceiling and walls"
Methods
Life forms: rodents, other small mammals
Sampling methods: quarry, screenwash
Sample size: 328 specimens
Years: 1996 - 1998
Net or trap nights: 0
Basal area status: not applicable
Sampling comments: "Faunal materials were collected by sieving the excavated deposits through nested 1/4" (6.4-mm) and 1/8" (3.2-mm) screens"
Metadata
Sample no: 3509
Contributor no: John Alroy
Enterer: John Alroy
Created: 2019-09-10 14:23:38
Modified: 2023-04-29 01:44:36
Abundance distribution
Each square represents a species. Square sizes are proportional to counts. Values are logged.
Statistics
17 species
2 singletons
total count 328
geometric series index: 23.9
Fisher's α: 3.805
geometric series k: 0.7418
Hurlbert's PIE: 0.7944
Shannon's H: 1.9866
Good's u: 0.994
Register
| Brachylagus idahoensis | 4 | |
| Sylvilagus sp. | 119 | |
| Lepus cf. californicus (black-tailed jackrabbit) | 67 | 2.1 kg |
| Lepus townsendii (white-tailed jackrabbit) | 19 | |
| Marmota flaviventris | 2 | |
| Urocitellus mollis | 2 | |
| "Spermophilus mollis" | ||
| Thomomys bottae | 14 | 128.0 g |
| Perognathus longimembris | 2 | 7.5 g |
| Perognathus parvus | 4 | 21.8 g |
| Dipodomys ordii | 9 | 48.9 g |
| Dipodomys microps | 5 | 53.6 g |
| Peromyscus crinitus (canyon mouse) | 1 | 13.7 g |
| Peromyscus maniculatus (eastern deer mouse) | 11 | 19.1 g |
| Neotoma cinerea | 48 | 240.0 g |
| Neotoma lepida | 16 | 117.0 g |
| Lemmiscus curtatus | 1 | 30.5 g |
| Reithrodontomys megalotis (western harvest mouse) | 4 | 10.3 g |