Las Vegas Valley
Basic information
Sample name: Las Vegas Valley

Reference: T. Garland Jr and W. G. Bradley. 1984. Effects of a highway on Mojave Desert rodent populations. American Midland Naturalist 111(1):47-56 [ER 1643]
Geography
Country: United States

State: Nevada


County: Clark


Coordinate: 36° 21' 27" N, 115° 20' 26" W
Coordinate basis: stated in text

Geography comments: "in the Las Vegas Valley... R59E, T 18 S, Section 26... The trapping grid overlapped U.S. Highway 95... Elevation averaged 896 m"

Environment
Habitat: desert/xeric shrubland

Substrate: ground surface

MAT: 17.9

MAP: 160.0

Habitat comments: "a creosote bush (Larrea tridentata) community"
climate data are from Amundson et al. (1989, Geoderma) and are for a point at 840 m in the Las Vegas Valley

Methods
Life forms: rodents

Site area: 9

Sampling methods: quadrat,baited,Sherman traps

Sample size: 612 individuals

Days: 48

Nets or traps: 250

Net or trap nights: 12000

Sampling comments: "A 9-ha, 250-station grid (25x10) was marked with wooden stakes placed at 20-m intervals. Rows were oriented parallel to the highway... Twelve trapping periods were conducted. One Sherman live trap (7.6x7.6x25.4 cm) baited with oats was placed at or within 1 m of each grid stake... Traps were checked the next 4 mornings"

Metadata
Sample number: 1848

Contributor: John Alroy

Enterer: John Alroy

Created: 2015-12-20 16:30:12

Modified: 2015-12-20 05:30:12

Abundance distribution
8 species
1 singleton
total count 612
geometric series index: 9.6
Fisher's α: 1.299
geometric series k: 0.4494
Hurlbert's PIE: 0.7190
Shannon's H: 1.5002
Good's u: 0.9984
Each square represents a species. Square sizes are proportional to counts.
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