Schroeder Site (Structure 1)
Basic information
Sample name: Schroeder Site (Structure 1)
Reference: P. W. Parmalee. 1964. Animal remains from the Schroeder Site, Durango, Mexico. Kiva 29(4):99-110 [ER 3184]
Geography
Country: Mexico
State: Durango
Coordinate: 23° 54' N, 104° 37' W
Coordinate basis: based on nearby landmark
Time interval: Holocene
Max Ma: 0.00129
Min Ma: 0.00122
Age basis: zone
Geography comments: "five miles south of the City of Durango" and "occupies two hills and an intervening saddle of the Sierra de Ayala, which lies south and east of the Rio Tunal and within a bend of that river" (close to Bayacora, basis of coordinate)
Structure 1 is "associated" with the Las Joyas Phase, said to be "700-950 A.D."
there are four reliable dates of "A.D. 660, A.D. 675, A.D. 700, and A.D. 730" on the Las Joyas Phase (Kelley 1971, Handbook of Middle American Indians)
Structure 1 is "associated" with the Las Joyas Phase, said to be "700-950 A.D."
there are four reliable dates of "A.D. 660, A.D. 675, A.D. 700, and A.D. 730" on the Las Joyas Phase (Kelley 1971, Handbook of Middle American Indians)
Environment
Lithology: not described
Taphonomic context: human accumulation,settlement
Archaeology: buildings,ceramics
Habitat comments: lithology and artifacts are not discussed, but ceramics are present according to Kelley (1971)
Methods
Life forms: carnivores,rodents,ungulates,other small mammals,birds
Sampling methods: quarry
Sample size: 121 specimens
Years: 1954, 1956, 1958
Sampling comments: screenwashing is not discussed
a specimen of "Burro?" is considered intrusive
a specimen of "Burro?" is considered intrusive
Metadata
Sample number: 3492
Contributor: John Alroy
Enterer: John Alroy
Created: 2019-09-07 15:34:47
Modified: 2023-02-25 11:01:56
Abundance distribution
8 species
3 singletons
total count 121
extrapolated richness: 15.2
Fisher's α: 1.925
geometric series k: 0.5719
Hurlbert's PIE: 0.6823
Shannon's H: 1.3478
Good's u: 0.9753
Each square represents a species. Square sizes are proportional to counts.
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Register
| Odocoileus virginianus | 50 | 75 kg herbivore |
| Procyon lotor | 1 | 5.5 kg carnivore-granivore |
| Sciurus sp. | 1 | |
| Lepus spp. | 41 | |
| Sylvilagus spp. | 20 | |
| Ursus americanus | 2 | 115 kg browser-insectivore |
| Canis lupus familiaris | 5 | 43 kg carnivore |
| "Canis familiaris" | ||
| Pandion haliaetus | 1 | 1.4 kg carnivore |