North of Stillwater (heavily grazed grassland, March)
Basic information
Sample name: North of Stillwater (heavily grazed grassland, March)

Reference: G. D. Schnell, R. D. Owen, R. K. Chesser, and P. G. Risser. 1980. Populations of small mammals in north-central Oklahoma. Southwestern Naturalist 25(1):67-80 [ER 960]
Geography
Country: United States

State: Oklahoma


Coordinate: 36° 27' N, 97° 4' W
Coordinate basis: based on nearby landmark

Geography comments: "37 km N Stillwater in Pawnee and Noble counties" (coordinate extrapoldated from that of Stillwater)

Environment
Habitat: temperate savanna

Altered habitat: pasture

Substrate: ground surface

MAT: 15.1

WMT: 26.9

CMT: 2.8

MAP: 859.0

Habitat comments: climate data are for neighboring Payne County and are based on Cobb and Hawker (1916, USDA "Soil Survey of Payne County, Oklahoma")

Methods
Life forms: rodents

Sampling methods: quadrat,baited,Sherman traps

Sample size: 43 individuals

Years: 1975

Days: 19

Nets or traps: 150

Net or trap nights: 2850

Sampling comments: "Sherman live traps... arranged in grids and lines" and baited "with a mixture of rolled oats and peanut butter"; each grid included 144 stations "15 m apart" but this one had "an additional six stations at the south end"

Metadata
Sample number: 1446

Contributor: John Alroy

Enterer: John Alroy

Created: 2015-03-02 12:31:47

Modified: 2015-10-08 09:42:28

Abundance distribution
5 species
2 singletons
total count 43
geometric series index: 11.3
Fisher's α: 1.465
geometric series k: 0.4111
Hurlbert's PIE: 0.3095
Shannon's H: 0.7061
Good's u: 0.9546
Each square represents a species. Square sizes are proportional to counts.
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