Pintwater Cave (Unit 3, level 8)
Basic information
Sample name: Pintwater Cave (Unit 3, level 8)
Reference: B. S. Hockett. 2000. Paleobiogeographic changes at the Pleistocene-Holocene boundary near Pintwater Cave, southern Nevada. Quaternary Research 53:263-269 [ER 3214]
Geography
Country: United States
State: Nevada
County: Clark
Coordinate: 37° 34' N, 116° 41' W
Latlng basis: based on nearby landmark
Time interval: Late Pleistocene
Ma: 0.031899
Age basis: radiocarbon (uncalibrated)
Geography comments: "in the southern Pintwater Range"
"near Indian Springs" according to Buck and DeBarton (1994)
there is a single date of 31, 899 +/- 473 14C yr B.P. on this level (presumed to be uncalibrated because the error is symmetrically distributed)
"near Indian Springs" according to Buck and DeBarton (1994)
there is a single date of 31, 899 +/- 473 14C yr B.P. on this level (presumed to be uncalibrated because the error is symmetrically distributed)
Environment
Lithology: not described
Taphonomic context: bird accumulation, cave
Habitat comments: "Most of the bones in Unit 3 were from degraded owl pellets... much of the sediment in Unit 3 consists almost entirely of degraded raptor pellets mixed with lesser amounts of silt, roof spalls, and mountain sheep (Ovis canadensis) dung"
Methods
Life forms: bats, carnivores, rodents, ungulates, other small mammals, lizards
Sampling methods: quarry
Sample size: 164 specimens
Years: 1996
Net or trap nights: 0
Basal area status: not applicable
Sampling comments: "excavations" (no details given, and no discussion of screenwashing)
Metadata
Sample no: 3528
Contributor no: John Alroy
Enterer: John Alroy
Created: 2019-09-11 21:44:53
Modified: 2023-04-03 08:57:29
Abundance distribution
Each square represents a species. Square sizes are proportional to counts. Values are logged.
Statistics
17 species
7 singletons
total count 164
geometric series index: 33.9
Fisher's α: 4.766
geometric series k: 0.7812
Hurlbert's PIE: 0.8305
Shannon's H: 2.118
Good's u: 0.9574
Register
| Lepus cf. californicus | 28 | 2.1 kg |
| Sylvilagus spp. | 1 | |
| Microtus sp. | 19 | |
| Neotoma cinerea | 4 | 240.0 g |
| Neotoma lepida | 18 | 117.0 g |
| Peromyscus spp. | 2 | |
| Ammospermophilus leucurus | 12 | 90.8 g |
| Thomomys bottae | 52 | 128.0 g |
| Thomomys talpoides | 1 | |
| Dipodomys panamintinus | 1 | 66.1 g |
| Canis latrans (coyote) | 1 | 12.0 kg |
| Canis lupus (gray wolf) | 1 | 43.0 kg |
| Ovis canadensis (bighorn sheep) | 1 | 55.0 kg |
| Antrozous pallidus | 7 | |
| Crotaphytus collaris | 4 | |
| Gambelia wislezini | 11 | |
| Phrynosoma platyrhinos | 1 | |