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]
Geography
Country: Mexico

State: Chihuahua



Coordinate: 27° 45' N, 107° 38' W
Coordinate basis: 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

Environment
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)

Methods
Life forms: trees

Sites: 7

Site area: 0.242

Sample size: 179 individuals

Years: 1992-1993

Size min: 10

Basal area: 29.2455

Sampling comments: JA: five 0.04 ha plots, one 0.022 ha plot, one 0.02 ha plot

Metadata
Sample number: 147

Contributor: John Alroy

Enterer: Albert Garcia Selles

Created: 2013-03-05 15:43:37

Modified: 2014-07-18 11:22:22

Abundance distribution
10 species
4 singletons
total count 179
geometric series index: 18.0
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
Each square represents a species. Square sizes are proportional to counts.
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