Rancho La Brea (Pit 91)
Basic information
Sample name: Rancho La Brea (Pit 91)

Reference: L. M. Spencer, B. Van Valkenburgh, and J. M. Harris. 2003. Taphonomic analysis of large mammals recovered from the Pleistocene Rancho La Brea tar seeps. Paleobiology 29(4):561-575 [ER 3121]
Country: United States
State: California

Coordinate: 34° 3' 46" N, 118° 21' 22" W
Basis of coordinate: based on nearby landmark
Geography comments: coordinate based on La Brea Tar Pits
Climate and habitat
Lithology: tar
Taphonomic context: tar pit
Habitat comments: "asphalt-impregnated layers of sand or clay"
Life forms: carnivores, ungulates, other large mammals
Sampling methods: quarry
Sample size: 17937
Years: 1969 - 1980
Sample: 3409
Contributor: John Alroy
Enterer: John Alroy
Created: 2019-08-30 22:06:40
Modified: 2019-08-30 22:06:40
Abundance distribution
19 species
1 singleton
total count 17937
standardised richness: not computable
Fisher's α: 2.099
geometric series k: 0.6100
Hurlbert's PIE: 0.6852
Shannon's H: 1.4620
Good's u: 0.9999