Grassy Bay
Basic information
Sample name: Grassy Bay
Reference: F. L. Stewart and K. M. Stewart. 1996. The Boardwalk and Grassy Bay sites: patterns of seasonality and subsistence on the northern Northwest Coast, B.C.. Canadian Journal of Archaeology 20:39-60 [ER 3159]
Geography
Country: Canada
State: British Columbia
Coordinate: 54° 17' N, 130° 18' W
Coordinate basis: based on nearby landmark
Time interval: Holocene
Max Ma: 0.001615
Min Ma: 0.00062
Age basis: radiocarbon (uncalibrated)
Geography comments: "on the northeast shore of Kaien Island, on Grassy Bay, facing Fern Passage" (coordinate based on Kaien Island)
four radiocarbon dates range from 1615 +/- 60 to 620 +/- 55 BP (presumed to be uncalibrated because errors are symmetrically distributed)
four radiocarbon dates range from 1615 +/- 60 to 620 +/- 55 BP (presumed to be uncalibrated because errors are symmetrically distributed)
Environment
Lithology: not described
Taphonomic context: human accumulation
Habitat comments: lithology is described as "heavy wet soil"
a "seasonal camp"
the site is not described as a midden per se
lithics, ceramics, and other artifacts are not discussed, and structures appear not to be present
a "seasonal camp"
the site is not described as a midden per se
lithics, ceramics, and other artifacts are not discussed, and structures appear not to be present
Methods
Life forms: carnivores,rodents,ungulates,marine mammals,birds
Sampling methods: quarry
Sample size: 874 specimens
Sampled by: G. F. MacDonald
Sampling comments: it was no possible to screenwash, so small material was "trowelled through"
fish material was not identified
fish material was not identified
Metadata
Sample number: 3458
Contributor: John Alroy
Enterer: John Alroy
Created: 2019-09-02 15:48:21
Modified: 2023-04-03 08:50:17
Abundance distribution
23 species
6 singletons
total count 874
extrapolated richness: 36.9
Fisher's α: 4.329
geometric series k: 0.7812
Hurlbert's PIE: 0.8124
Shannon's H: 1.9564
Good's u: 0.9931
Each square represents a species. Square sizes are proportional to counts.
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Register
| Gavia spp. | 10 | |
| Podiceps grisegena | 1 | 1.0 kg |
| Branta canadensis | 3 | 4.1 g folivore |
| Melanitta fusca | 3 | 43.8 g |
| Haliaeetus leucocephalus | 3 | 4.1 kg piscivore |
| Accipiter gentilis | 1 | 7.9 g carnivore |
| Cerorhinca monocerata | 229 | 510 g |
| Marmota caligata | 3 | |
| Castor canadensis | 8 | 11 kg |
| Erethizon dorsatum | 22 | 9.9 kg herbivore |
| Canis spp. | 51 | |
| Ursus americanus | 18 | 115 kg browser-insectivore |
| Ursus arctos | 1 | 156 kg frugivore-carnivore |
| Procyon lotor | 1 | 5.5 kg carnivore-granivore |
| Neogale vison | 1 | 950 g |
| "Mustela vison" | ||
| Lontra canadensis | 3 | 7.1 kg piscivore |
| Enhydra lutris | 111 | |
| Eumetopias jubata | 3 | |
| Callorhinus ursinus | 5 | |
| Phoca vitulina | 186 | |
| Odocoileus hemionus | 200 | 65 kg browser |
| Alces alces | 1 | 421 kg herbivore |
| Oreamnos americanus | 10 | 78 kg |