Laguna de los Pampas
Basic information
Sample name: Laguna de los Pampas
Reference: M. C. Alvarez. 2018. Anâlisis faunÃstico del sitio Laguna de los Pampas (partido de Lincoln, región Pampeana). Aportes a los estudios de la subsistencia en el ârea Oeste de la Pampa Hùmeda. Journal of Human Evolution 24(1):127-146 [ER 3793]
Geography
Country: Argentina
State: Buenos Aires
County: Lincoln
Coordinate: -35.32° S, -61.53° W
Coordinate basis: estimated from map
Time interval: Holocene
Max Ma: 0.008971
Min Ma: 0.005684
Age basis: radiocarbon (uncalibrated)
Geography comments: coordinate based on Laguna los Pampas
there are dates of 8971 +/- 77 yr BP (on human bone), 5684 +/- 61 yr BP (animal bone), 7024 +/- 45 yr BP (guanaco), and 5815 +/- 40 yr BP (guanaco)
there are dates of 8971 +/- 77 yr BP (on human bone), 5684 +/- 61 yr BP (animal bone), 7024 +/- 45 yr BP (guanaco), and 5815 +/- 40 yr BP (guanaco)
Environment
Lithology: siliciclastic (mixed)
Taphonomic context: aeolian deposit,human accumulation
Archaeology: stone tools
Habitat comments: the site was exposed on the beach of a lagoon
lithic artifacts were recovered
the material is from Unit IV, which is a sandy-silty deposit of light brown color and wind origin
the assemblage is a human subsistence accumulation, but there is some rodent damage
lithic artifacts were recovered
the material is from Unit IV, which is a sandy-silty deposit of light brown color and wind origin
the assemblage is a human subsistence accumulation, but there is some rodent damage
Methods
Life forms: carnivores,rodents,ungulates,other large mammals,birds
Sampling methods: quarry
Sample size: 350 specimens
Years: 2009, 2015
Sampling comments: the site was discovered in 2009 and the full excavation took place in 2015
Metadata
Sample number: 4124
Contributor: John Alroy
Enterer: John Alroy
Created: 2023-02-24 22:24:31
Modified: 2023-02-24 11:27:44
Abundance distribution
9 species
1 singleton
total count 350
geometric series index: 11.6
Fisher's α: 1.685
geometric series k: 0.5073
Hurlbert's PIE: 0.5459
Shannon's H: 1.2168
Good's u: 0.9971
Each square represents a species. Square sizes are proportional to counts.
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| Ozotoceros bezoarticus | 23 | 20 kg browser-grazer |
| Chaetophractus villosus | 43 | 2.5 kg |
| plus 482 ossicles | ||
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| plus 331 ossicles | ||
| Dolichotis patagonum | 1 | |
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| plus 328 eggshell fragments | ||