Alta Tarahumara
Basic information
Sample name: Alta Tarahumara

Reference: L. A. Tarango, R. Valdez, P. J. Zwank, and M. Cardenas. 1997. Mexican spotted owl habitat characteristics in southwestern Chihuahua, Mexico. Southwestern Naturalist 42(2):132-136 [ER 54]
Country: Mexico
State: Chihuahua

Coordinate: 27° 45' N, 107° 38' W
Basis of coordinate: based on nearby landmark
Geography comments: JA: "in southwestern Chihuahua, in the Alta Tarahumara region of the Sierra Occidental, " apparently in "the San Juanito-Creel region" (coordinate based on Creel)
elevation 2280 to 2490 m
Climate and habitat
Habitat: temperate broadleaf/mixed forest
Substrate: ground surface
WMT: 17.4
CMT: 11.0
MAP: 705.0
Dry months: 8
Habitat comments: JA: "petran montane conifer forest"
climate data are for Creel and from Farias Martinez and Aranda Gutierrez (2008)
Life forms: trees
Sites: 7
Site area: 0.242
Sample size: 179
Years: 1992-1993
Minimum size: 10.0cm dbh
Basal area: 29.2455 per ha
Sampling comments: JA: five 0.04 ha plots, one 0.022 ha plot, one 0.02 ha plot
Sample: 147
Contributor: John Alroy
Enterer: Albert Garcia Selles
Created: 2013-03-05 15:43:37
Modified: 2014-07-18 21:22:22
Abundance distribution
10 species
4 singletons
total count 179
standardised richness: 6.1
Fisher's α: 2.287
geometric series k: 0.6112
Hurlbert's PIE: 0.7137
Shannon's H: 1.5611
Good's u: 0.9777