Elkol-Sorenson Mine (1980)
Basic information
Sample name: Elkol-Sorenson Mine (1980)
Reference: R. R. Parmenter and J. A. MacMahon. 1983. Factors determining the abundance and distribution of rodents in a shrub-steppe ecosystem: the role of shrubs. Oecologia 59(2/3):145-156 [ER 979]
Geography
Country: United States
State: Wyoming
Coordinate: 41° 43' N, 110° 37' W
Coordinate basis: stated in text
Geography comments: "8 km southwest of Kemmerer"
Environment
Habitat: desert/xeric shrubland
Substrate: ground surface
WMT: 17.0
CMT: -8.0
MAP: 226.0
Habitat comments: "shrub-steppe" dominated by Artemisia and Chrysothamnus that was "not mined" and served as an experimental control
Methods
Life forms: rodents
Site area: 1.25
Sampling methods: quadrat,Sherman traps
Sample size: 54 individuals
Years: 1980
Days: 15
Nets or traps: 289
Net or trap nights: 4755
Sampling comments: "a 17 x 17 station trap grid with 7 m between traps. A Sherman live trap was located at each station. Trapping was conducted for 5 consecutive nights... in June, August, and September" plus "20 Sherman live traps" placed "randomly" on the plot and "opened for 3 consecutive nights following [each] grid trapping" (trap nights = 289 x 5 x 3 + 20 x 7 x 3 = 4755); baiting was with "peanut butter and rolled oats"
Metadata
Sample number: 1467
Contributor: John Alroy
Enterer: John Alroy
Created: 2015-03-03 14:17:30
Modified: 2015-03-03 03:20:30
Abundance distribution
3 species
1 singleton
total count 54
extrapolated richness: 4.7
Fisher's α: 0.685
geometric series k: 0.1857
Hurlbert's PIE: 0.5045
Shannon's H: 0.7682
Good's u: 0.9815
Each square represents a species. Square sizes are proportional to counts.
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Register
| Peromyscus maniculatus | 24 | 19.1 g |
| Neotamias minimus | 29 | |
| "Eutamias minimus" | ||
| Microtus montanus | 1 | 44.7 g |