Data entry menu Add ref Edit ref Switch ref Add sample Edit sample Add/edit register
Spruce Forests of the Allegheny Mountains
edit this sample – create a copied sample – enter a new sample – edit the register
Basic information
Sample name: Spruce Forests of the Allegheny Mountains

Reference: S. L. Stephenson and J. F. Clovis. 1983. Spruce forests of the Allegheny Mountains in central West Virginia. Castanea 48(1):1-12 [ER 29]
Geography
Country: United States

State: Virginia


Coordinate: 38° 55' N, 79° 35' W
Coordinate basis: stated in text

Environment
Habitat: temperate broadleaf/mixed forest

Substrate: ground surface

MAT: 5.6

MAP: 1300.0

Methods
Life forms: trees

Sites: 8

Site area: 0.687

Sample size: 643 individuals

Size min: 10

Sampling comments: JA: 20 points sampled using the point-center quarter method in each of eight stands; calculated stem density is 932 stems/ha, implying an effective sampling area of 0.6866953 ha because there were presumably 20 x 8 x 4 = 640 stems in the sample

Metadata
Sample number: 103

Contributor: John Alroy

Enterer: Albert Garcia Selles

Created: 2013-02-27 16:00:24

Modified: 2016-11-25 00:06:50

Abundance distribution
17 species
0 singletons
total count 643
extrapolated richness: 20.3
Fisher's α: 3.203
geometric series k: 0.7551
Hurlbert's PIE: 0.8141
Shannon's H: 2.0183
Good's u: 1.0000
Each square represents a species. Square sizes are proportional to counts.
Register
Current reference: Shotwell 1968 (ER 3992)