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]
Country: United States
State: Wast Virginia

Coordinate: 39° 12' N, 78° 48' W
Basis of coordinate: based on nearby landmark
Geography comments: coordinate based on South Branch Mountain
Climate and habitat
Habitat: temperate broadleaf/mixed forest
Substrate: ground surface
MAT: 10.9
MAP: 860.0
Life forms: trees
Sites: 1
Site length: 20.000
Site width: 50.000
Sampling methods: quadrat
Sample size: 163
Years: 1984
Minimum size: 2.5cm dbh
Basal area: total is 2.7200
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.
Sample: 108
Contributor: John Alroy
Enterer: Albert Garcia Selles
Created: 2013-02-28 12:14:18
Modified: 2017-11-02 13:27:43
Abundance distribution
15 species
3 singletons
total count 163
standardised richness: 10.7
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