Tarazona 2
Basic information
Sample name: Tarazona 2
Sample aka: TAR2
Reference: M. A. Alvarez-Sierra, I. García Paredes, and . Peláez-Campomanes. 2006. Middle Miocene rodents from the Tarazona area (Ebro Basin, Spain). Beiträge zur Paläontologie 30:5-13 [ER 2401]
Geography
Country: Spain
Coordinate: 42° 54' N, 2° 43' W
Latlng basis: based on nearby landmark
Time interval: Middle Miocene
Zone: MN5
Ma: 15.0
Geography comments: coordinate based on Tarazona
MN5, and specifically "late Dd or E" in the zonation of Daams and Freudenthal (1981) (i.e., roughly 15 Ma)
MN5, and specifically "late Dd or E" in the zonation of Daams and Freudenthal (1981) (i.e., roughly 15 Ma)
Environment
Substrate: ground surface
Lithology: claystone
Habitat comments: "a silty-clay bed, 20 cm thick, situated about 10 m above the classical Tarazona locality. From top to bottom the colour of this bed goes from dark to light grey. It shows remains of gastropods, clay pebbles and scarce bones fragments"
Methods
Life forms: rodents
Sampling methods: screenwash
Sample size: 21 specimens
Years: 1999, 2000
Net or trap nights: 0
Basal area status: not applicable
Sampling comments: "Some 150 kg of sediment from each level were screened"
Metadata
Sample no: 2599
Contributor no: John Alroy
Enterer: John Alroy
Created: 2017-02-18 16:30:11
Modified: 2017-02-18 05:30:11
Abundance distribution
Each square represents a species. Square sizes are proportional to counts. Values are logged.
Statistics
5 species
3 singletons
total count 21
geometric series index: 14.5
Fisher's α: 2.076
geometric series k: 0.5266
Hurlbert's PIE: 0.531
Shannon's H: 1.0735
Good's u: 0.8571
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