Ahl al Oughlam
Basic information
Sample name: Ahl al Oughlam
Reference: D. Geraads. 1995. Rongeurs et insectivores (Mammatia) du Pliocène final de Ahl Al Oughlam (Casablanca, Maroc). Geobios 28(1):99-115 [ER 2366]
Geography
Country: Morocco
Coordinate: 34° 34' 6" N, 8° 31' 43" W
Latlng basis: based on nearby landmark
Time interval: Early Pleistocene
Ma: 2.5
Geography comments: a quarry "situé en bordure sud-est de l'agglomération de Casablanca" (coordinate based on Ahl al Oughlam)
"l'âge peut être estimé, par la biochronologique, à 2, 5 m.a."
"l'âge peut être estimé, par la biochronologique, à 2, 5 m.a."
Environment
Substrate: ground surface
Lithology: sandstone
Habitat comments: "Le micromammifères, dont l'accumulation résulte de l'action des prédateurs, comme le montre
la forte digestion des dents, y sont extrêmement abondants"
"sable argileux rouge"
la forte digestion des dents, y sont extrêmement abondants"
"sable argileux rouge"
Methods
Life forms: rodents, other small mammals
Sampling methods: screenwash
Sample size: 2253 specimens
Net or trap nights: 0
Basal area status: not applicable
Sampling comments: "récolte... que le tamisage de quelques centaines de kg de sédiment"
Metadata
Sample no: 2539
Contributor no: John Alroy
Enterer: John Alroy
Created: 2017-02-14 21:03:31
Modified: 2017-02-14 10:03:31
Abundance distribution
Each square represents a species. Square sizes are proportional to counts. Values are logged.
Statistics
9 species
1 singleton
total count 2253
geometric series index: 11.7
Fisher's α: 1.193
geometric series k: 0.4536
Hurlbert's PIE: 0.6579
Shannon's H: 1.2813
Good's u: 0.9996
Register
| †Paraethomys chikeri | 589 | |
| †Praomys skouri oughlamensis | 141 | |
| new subspecies | ||
| †Mus haouzi (mouse) | 1116 | |
| †Dipodillus bibersoni | 349 | |
| "Gerbillus bibersoni": new species | ||
| †Irhoudia aff. bohlini | 2 | |
| Hystrix sp. | 1 | |
| †Suncus barbarus | 24 | |
| new: count is of the minimum number of maxillae (7) and mandibles (17) based on measurements | ||
| †Asoriculus maghrebiensis | 29 | |
| "Episoriculus maghrebiensis": count is of the minimum number of maxillae (17) and mandibles (12) | ||
| Erinaceus (Atelerix) sp. | 2 | |