Bois Roche (layer 2)
Basic information
Sample name: Bois Roche (layer 2)

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)

Environment
Substrate: ground surface

Lithology: siltstone

Habitat comments: "a massive (up to 30–40 cm) clast-supported accumulation of clayey silt with centimeter to decimeter size blocks of limestone roof fall"

Methods
Life forms: rodents

Sampling methods: quarry,screenwash

Sample size: 2724 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: 2544

Contributor: John Alroy

Enterer: John Alroy

Created: 2017-02-15 09:37:21

Modified: 2017-02-14 22:37:21

Abundance distribution
6 species
3 singletons
total count 2724
geometric series index: 12.6
Fisher's α: 0.729
geometric series k: 0.2076
Hurlbert's PIE: 0.0923
Shannon's H: 0.2114
Good's u: 0.9989
Each square represents a species. Square sizes are proportional to counts.
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