Gorham's Cave (Level IV)
Basic information
Sample name: Gorham's Cave (Level IV)
Reference: J. M. López-García, G. Cuenca-Bescós, C. Finlayson, K. Brown, and F. G. Pacheco. 2011. Palaeoenvironmental and palaeoclimatic proxies of the Gorham's cave small mammal sequence, Gibraltar, southern Iberia. Quaternary International 243:137-142 [ER 3936]
Geography
Country: United Kingdom
Coordinate: 36° 7' N, 5° 21' W
Coordinate basis: stated in text
Time interval: Late Pleistocene
Section: Gorham's Cave
Unit number: 4
Unit order: above to below
Max Ma: 0.03256
Min Ma: 0.02378
Age basis: radiocarbon (uncalibrated)
Geography comments: "located at the foot of" the Rock of Gibraltar
there are AMS dates of 32,560 to 23,780 BP for this level (errors not given)
there are AMS dates of 32,560 to 23,780 BP for this level (errors not given)
Environment
Lithology: sandstone
Taphonomic context: cave
Archaeology: stone tools
Habitat comments: "sandy sediment with dark brown clay in a sandy matrix" with "discrete lumps of charcoal"
there are 103 Mousterian lithic artefacts and extensive "anthropic predation" damage on large mammal bones, but not on small mammal bones
there are 103 Mousterian lithic artefacts and extensive "anthropic predation" damage on large mammal bones, but not on small mammal bones
Methods
Life forms: bats,rodents,other small mammals
Sampling methods: quarry,screenwash
Sample size: 348 specimens
Years: 1999 - 2005
Sampling comments: "collected by water-screening" of excavated sediments with 0.5 mm screens
Metadata
Sample number: 4341
Contributor: John Alroy
Enterer: John Alroy
Created: 2023-08-12 14:30:18
Modified: 2023-08-12 04:30:18
Abundance distribution
11 species
2 singletons
total count 348
extrapolated richness: 15.2
Fisher's α: 2.162
geometric series k: 0.5890
Hurlbert's PIE: 0.6313
Shannon's H: 1.4434
Good's u: 0.9943
Each square represents a species. Square sizes are proportional to counts.
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Register
| Microtus (Iberomys) cabrerae | 8 | |
| Microtus (Terricola) duodecimcostatus | 9 | |
| Arvicola sapidus | 2 | |
| Apodemus sylvaticus | 199 | |
| Eliomys quercinus | 53 | |
| Crocidura russula | 10 | |
| Sorex minutus | 1 | |
| Sorex sp. | 1 | |
| coronatus-araneus group | ||
| Talpa occidentalis | 14 | |
| Myotis myotis | 39 | 25.7 g |
| Miniopterus schreibersii | 12 | 12.4 g insectivore |
Current reference:
Shotwell 1968 (ER 3992)