Laguna de los Pampas
Basic information
Sample name: Laguna de los Pampas

Reference: M. C. Alvarez. 2018. Anâlisis faunístico 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


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)

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

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
extrapolated richness: 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.
Register
Lama guanicoe228101 kg
Ozotoceros bezoarticus2320 kg browser-grazer
Chaetophractus villosus432.5 kg
plus 482 ossicles
Zaedyus pichiy31.1 kg
plus 331 ossicles
Dolichotis patagonum1
Lagostomus maximus29
Lycalopex gymnocercus45.6 kg carnivore-frugivore
Conepatus chinga41.9 kg invertivore
Rhea americana1523 kg
plus 328 eggshell fragments