Crabtree Woods
Basic information
Sample name: Crabtree Woods
Sample aka: Backbone Mountain
Reference: B. C. McCarthy and D. R. Bailey. 1996. Composition, structure, and disturbance history of Crabtree Woods: an old-growth forest of western Maryland. Bulletin of the Torrey Botanical Club 123(4):350-365 [ER 47]
Geography
Country: United States
State: Maryland
Coordinate: 39° 9' N, 79° 34' W
Coordinate basis: based on nearby landmark
Geography comments: "the northwest side of Backbone Mountain" (basis of coordinate)
elevation between 2200 and 2300 feet based on figure 1
elevation between 2200 and 2300 feet based on figure 1
Environment
Habitat: temperate broadleaf/mixed forest
Substrate: ground surface
MAT: 9.1
MAP: 1150.0
Habitat comments: "The yearly average minimum and maximum temperatures are 2.3 and 15.8ºC, respectively"
Methods
Life forms: trees
Sites: 1
Site area: 1
Site length: 100
Site width: 100
Sampling methods: quadrat
Sample size: 1290 individuals
Size min: 2.5
Sampling comments: "The overstory tree layer had a total density of 279 stems-ha-1 and basal area of 34.81 m2 ha-1" (basal area of the 2.5 cm plus category is not given)
Metadata
Sample number: 133
Contributor: John Alroy
Enterer: Albert Garcia Selles
Created: 2013-03-05 10:09:50
Modified: 2016-06-04 05:34:01
Abundance distribution
21 species
3 singletons
total count 1290
extrapolated richness: 30.3
Fisher's α: 3.563
geometric series k: 0.7141
Hurlbert's PIE: 0.5482
Shannon's H: 1.3342
Good's u: 0.9977
Each square represents a species. Square sizes are proportional to counts.
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