Chiricahua Mountains
Basic information
Sample name: Chiricahua Mountains

Reference: D. A. Sawyer and T. B. Kinraide. 1980. The forest vegetation at higher altitudes in the Chiricahua Mountains, Arizona. American Midland Naturalist 104(2):224-241 [ER 26]
Geography
Country: United States

State: Arizona

County: Cochise

Coordinate: 32° 51' N, 109° 17' W
Latlng basis: based on nearby landmark

Geography comments: "The study centered in the Chiricahua Wilderness along the main crest of the range, extending 10 km from Rustler to Monte Vista"
coordinate is based on Chiricahua Peak
most stands were between 2600 and 2900 m

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Environment
Habitat: tropical/subtropical dry broadleaf forest

Substrate: ground surface

MAT: 6.2

MAP: 850.0

Habitat comments: MAT and MAP are estimates for an elevation of 2750 m given in the text

Methods
Life forms: trees

Sites: 40

Site area: 1.0

Sample size: 2453 individuals

Years: 1976

Days: 60

Net or trap nights: 0

Size min: 10.0

Basal area status: total is

Basal area: 53.4244

Sampling comments: forty 250 m2 plots
basal area is the sum of per-plot "dominance" values in dm2 (= 1/100th of a m2) given on p. 235

Metadata
Sample no: 100

Contributor no: John Alroy

Enterer: Albert Garcia Selles

Created: 2013-02-25 13:13:18

Modified: 2017-11-06 07:51:33

Abundance distribution
Each square represents a species. Square sizes are proportional to counts. Values are logged.
Statistics
9 species
0 singleton
total count 2453
geometric series index: 9.2
Fisher's α: 1.178
geometric series k: 0.5972
Hurlbert's PIE: 0.8074
Shannon's H: 1.8243
Good's u: 1
Register
Picea engelmannii 148
Populus tremuloides 200
Pseudotsuga menziesii 804
Pinus strobiformis 460
Pinus ponderosa 356
Abies concolor 280
Pinus leiophylla 182
Quercus arizonica 10
Quercus gambelii 13