Dürrenberg
Basic information
Sample name: Dürrenberg
Reference: D. Kälin. 2013. A new Oligocene (MP 24) mammal fauna (Dürrenberg, Canton Jura, NW Switzerland) from the eastern slope of the \"Rauracian depression\". Swiss Journal of Geosciences 106:207-218 [ER 2392]
Geography
Country: Switzerland
Coordinate: 47° 20' N, 8° 33' E
Latlng basis: based on nearby landmark
Time interval: Early Oligocene
Zone: MP24
Geography comments: "about 15 km to the east of Delémont" (shown on map as very close to La Scheulte, basis of coordinate)
MP24
MP24
Environment
Substrate: ground surface
Lithology: marl
Habitat comments: "Marlstone with local Jurassic limestone pebbles... Besides, bone fragments, teeth of mammals and reptilians, as well as debris of terrestrial gastropods have been found"
Methods
Life forms: rodents
Excluded forms: other small mammals
Sampling methods: quarry, screenwash
Sample size: 19 specimens
Years: 2005
Net or trap nights: 0
kg screened: 600
Basal area status: not applicable
Sampling comments: "approximately 600 kg of sediment was... excavated, screen washed and picked for micromammal teeth"
Didelphidae indet. and Lipotyphla indet. are also listed
Didelphidae indet. and Lipotyphla indet. are also listed
Metadata
Sample no: 2586
Contributor no: John Alroy
Enterer: John Alroy
Created: 2017-02-17 21:20:17
Modified: 2023-09-08 12:16:48
Abundance distribution
Each square represents a species. Square sizes are proportional to counts. Values are logged.
Statistics
8 species
2 singletons
total count 19
geometric series index: 18.3
Fisher's α: 5.205
geometric series k: 0.7742
Hurlbert's PIE: 0.8158
Shannon's H: 1.9133
Good's u: 0.9139
Register