Laguna de los Pampas
Basic information
Sample name: Laguna de los Pampas
Reference: M. C. Alvarez. 2018. Análisis faunístico del sitio Laguna de los Pampas (partido de Lincoln, región Pampeana). Aportes a los estudios de la subsistencia en el área 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
Latlng 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
Net or trap nights: 0
Basal area status: not applicable
Sampling comments: the site was discovered in 2009 and the full excavation took place in 2015
Metadata
Sample no: 4124
Contributor no: John Alroy
Enterer: John Alroy
Created: 2023-02-24 22:24:31
Modified: 2023-02-24 11:27:44
Abundance distribution
Each square represents a species. Square sizes are proportional to counts. Values are logged.
Statistics
9 species
1 singleton
total count 350
geometric series index: 11.6
Fisher's α: 1.685
geometric series k: 0.582
Hurlbert's PIE: 0.5459
Shannon's H: 1.2168
Good's u: 0.9971
Register
| Lama guanicoe (guanaco) | 228 | 101.0 kg |
| Ozotoceros bezoarticus (Pampas deer) | 23 | 20.0 kg |
| Chaetophractus villosus (big hairy armadillo) | 43 | 2.5 kg |
| plus 482 ossicles | ||
| Zaedyus pichiy (dwarf armadillo) | 3 | 1.1 kg |
| plus 331 ossicles | ||
| Dolichotis patagonum | 1 | |
| Lagostomus maximus | 29 | |
| Lycalopex gymnocercus (Pampas fox) | 4 | |
| Conepatus chinga (Molina's hog-nosed skunk) | 4 | 1.9 kg |
| Rhea americana | 15 | 23.0 kg |
| plus 328 eggshell fragments | ||