Bois Roche (layer 1c)
Basic information
Sample name: Bois Roche (layer 1c)
Reference: C. Sesé and P. Villa. 2008. Micromammals (rodents and insectivores) from the early Late Pleistocene cave site of Bois Roche (Charente, France): Systematics and paleoclimatology. Geobios 41:399-414 [ER 2367]
Geography
Country: France
Coordinate: 45° 42' N, 0° 20' W
Coordinate basis: based on nearby landmark
Time interval: Late Pleistocene
Ma: 0.071
Geography comments: "near the city of Cognac" (coordinate based on Cognac)
"dated to late OIS 5 or early OIS 4 by preliminary ESR estimates" (i.e., roughly 71 kyr)
"dated to late OIS 5 or early OIS 4 by preliminary ESR estimates" (i.e., roughly 71 kyr)
Environment
Substrate: ground surface
Lithology: siltstone
Habitat comments: "yellow-brown sandy clay silt with limestone rock fragments"
Methods
Life forms: rodents
Sampling methods: quarry,screenwash
Sample size: 832 specimens
Years: 1995, 1997-2000
Sampling comments: "Our excavations were done by 1-m grid system... All sediments were waters-creened with superimposed screens of 5 and 2 mm mesh"
Metadata
Sample number: 2542
Contributor: John Alroy
Enterer: John Alroy
Created: 2017-02-15 09:34:38
Modified: 2017-02-14 22:34:38
Abundance distribution
6 species
2 singletons
total count 832
geometric series index: 10.9
Fisher's α: 0.875
geometric series k: 0.2655
Hurlbert's PIE: 0.1626
Shannon's H: 0.3426
Good's u: 0.9976
Each square represents a species. Square sizes are proportional to counts.
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Register
| Eliomys quercinus | 1 | |
| Stenocranius gregalis | 758 | |
| "Microtus gregalis" | ||
| Alexandromys oeconomus | 3 | 36.5 g |
| "Microtus oeconomus" | ||
| Arvicola amphibius | 66 | |
| "Arvicola terrestris" | ||
| Dicrostonyx torquatus | 3 | 52.0 g |
| Neomys cf. fodiens | 1 | |