Helmick Rock
Basic information
Sample name: Helmick Rock
Sample aka: South Branch Mountain
Reference: S. L. Stephenson, H. S. Adams, and M. L. Lipford. 1986. Ecological composition of indigenous stands of red pine (Pinus resinosa) in West Virginia. Castanea 51(1):31-41 [ER 33]
Geography
Country: United States
State: Wast Virginia
Coordinate: 39° 12' N, 78° 48' W
Coordinate basis: based on nearby landmark
Geography comments: coordinate based on South Branch Mountain
Environment
Habitat: temperate broadleaf/mixed forest
Substrate: ground surface
MAT: 10.9
MAP: 860.0
Methods
Life forms: trees
Sites: 1
Site length: 20
Site width: 50
Sampling methods: quadrat
Sample size: 163 individuals
Years: 1984
Size min: 2.5
Basal area: 2.72
Sampling comments: Results are given in % of relative Density. The total density of trees in Picke Knob is 800/ha, but only 0.1 ha was sampled. Thus, numbers listed here: n=0.8 x rel.Dens.
Metadata
Sample number: 108
Contributor: John Alroy
Enterer: Albert Garcia Selles
Created: 2013-02-28 12:14:18
Modified: 2017-11-02 02:27:43
Abundance distribution
15 species
3 singletons
total count 163
geometric series index: 23.4
Fisher's α: 4.027
geometric series k: 0.7501
Hurlbert's PIE: 0.8088
Shannon's H: 2.0262
Good's u: 0.9817
Each square represents a species. Square sizes are proportional to counts.
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