Elkol-Sorenson Mine (1981)
Basic information
Sample name: Elkol-Sorenson Mine (1981)

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]
Country: United States
State: Wyoming

Coordinate: 41° 43' N, 110° 37' W
Basis of coordinate: stated in text
Geography comments: "8 km southwest of Kemmerer"
Climate and habitat
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
Life forms: rodents
Site area: 1.250
Sampling methods: quadrat, Sherman traps
Sample size: 136
Years: 1981
Days: 15
Nets or traps: 289
Net or trap nights: 6340
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 May, June, July, and August" 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 4 + 20 x 7 x 4 = 6340); baiting was with "peanut butter and rolled oats"
Sample: 1468
Contributor: John Alroy
Enterer: John Alroy
Created: 2015-03-03 14:19:10
Modified: 2015-03-03 14:19:10
Abundance distribution
5 species
1 singleton
total count 136
standardised richness: not computable
Fisher's α: 1.020
geometric series k: 0.3162
Hurlbert's PIE: 0.4056
Shannon's H: 0.7418
Good's u: 0.9928