Danghe River (IVPP Loc. DH 200102)
Basic information
Sample name: Danghe River (IVPP Loc. DH 200102)

Reference: B.-Y. Wang and Z.-D. Qiu. 2004. Discovery of early Oligocene mammalian fossils from Danghe area, Gansu, China. Vertebrata PalAsiatica 42(2):130-143 [ER 4070]
Geography
Country: China

State: Gansu



Coordinate: 39.28° N, 94.88° E
Coordinate basis: estimated from map

Formation: Paoniuquan

Time interval: Early Oligocene

Geography comments: said to be in the Tiejianggou valley of the Danghe River, Aksay Kazakh Autonomous County, Gansu Province
the Danghe River appears not to extend southward all the way to the northern border of this county: the coordinate represents a valley immediately north of the border and south of the river
the fossils are from the lower part of the Paoniuquan Formation

Environment
Lithology: not described

Habitat comments: the lithology is apparently not discussed

Methods
Life forms: rodents,ungulates,other small mammals

Sample size: 23 specimens

Years: 1999, 2001

Museum: IVPP

Sampling comments: collecting methods are not described

Metadata
Sample number: 4492

Contributor: John Alroy

Enterer: John Alroy

Modifier no: John Alroy

Created: 2024-11-17 10:14:04

Modified: 2024-11-17 10:24:28

Abundance distribution
12 species
7 singletons
total count 23
geometric series index: 43.2
Fisher's α: 10.123
geometric series k: 0.8816
Hurlbert's PIE: 0.8794
Shannon's H: 2.3064
Good's u: 0.6996
Each square represents a species. Square sizes are proportional to counts.
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