Cerro Potosí (Quadrat C)
Basic information
Sample name: Cerro Potosí (Quadrat C)

Reference: E. J. Koestner. 1944. Populations of small mammals on Cerro Potosí, Neuvo Leon, Mexico. Journal of Mammalogy 25(3):284-289 [ER 968]
Country: Mexico
State: Nuevo Leon

Coordinate: 24° 52' 18" N, 100° 13' 57" W
Basis of coordinate: based on nearby landmark
Geography comments: "approximately 65 kilometers west of Linares, Municipio de Galeana...near the upper limits" of the peak, which has an elevation of 3800 m according to the text and 3721 m according to Wikipedia (coordinate based on Cerro Potosí)
Climate and habitat
Habitat: tropical/subtropical coniferous forest
Substrate: ground surface
MAT: 14.0
MAP: 639.0
Habitat comments: in the "piñon-pine community" dominated by Pinus, Ribes, and Juniperus
climate data are for the Experimental Forest Research Station of the Universidad Autonoma de Nuevo Leon (at 1600 m) and are from Dominguez-Gomez et al. (2014, International Journal of Bio-resource and Stress Management)
Life forms: rodents, other small mammals
Site area: 0.073
Sampling methods: quadrat, snap traps
Sample size: 81
Years: 1938
Sampling comments: a circular quadrat "100 feet in diameter"; snap-traps were apparently used because a "three-day method" was used, presumably to avoid trapping out the population
Sample: 1455
Contributor: John Alroy
Enterer: John Alroy
Created: 2015-03-02 14:33:39
Modified: 2015-12-01 20:18:56
Abundance distribution
4 species
0 singletons
total count 81
standardised richness: 4.0
Fisher's α: 0.883
geometric series k: 0.3625
Hurlbert's PIE: 0.5653
Shannon's H: 0.9708
Good's u: 1.0000