Polecat Creek (black earth)
Basic information
Sample name: Polecat Creek (black earth)

Reference: E. C. Galbreath. 1938. Post-glacial fossil vertebrates from east-central Illinois. Geological Series of Field Museum of Natural History 6(20):303-313 [ER 3210]
Geography
Country: United States

State: Illinois

County: Coles

Coordinate: 39.51° N, -88.01° W
Latlng basis: stated in text

Time interval: Holocene

Section: 3210

Unit number: 1

Unit order: above to below

Geography comments: "in the Polecat Creek gravel pits, one mile south of Ashmore in the north half of sec. 6, T. 12 N., R. 11 E."
presumably Holocene based on stratigaphic position and lack of Pleistocene fossils

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Environment
Lithology: conglomerate

Taphonomic context: fluvial deposit

Habitat comments: "a black earth averaging two feet in depth" at the top of the section

Methods
Life forms: carnivores, ungulates

Sampling methods: quarry

Sample size: 11 specimens

Net or trap nights: 0

Basal area status: not applicable

Sampling comments: the "operator of the gravel pits... cooperated in saving specimens for more than ten years"
a specimen of Canis latrans "was obtained from a locality about 150 yards west of the gravel pits, probably from the black earth horizon"

Metadata
Sample no: 3522

Contributor no: John Alroy

Enterer: John Alroy

Created: 2019-09-11 12:28:49

Modified: 2023-04-29 01:50:39

Abundance distribution
Each square represents a species. Square sizes are proportional to counts. Values are logged.
Statistics
4 species
2 singletons
total count 11
geometric series index: 10.3
Fisher's α: 2.261
geometric series k: 0.5848
Hurlbert's PIE: 0.6091
Shannon's H: 1.1622
Good's u: 0.8182
Register
Canis lupus (gray wolf)143.0 kg
Lynx sp. 1
Odocoileus virginianus (white-tailed deer)5
Bison bison (American bison)4430.0 kg