Tutuila (ridge)
Basic information
Sample name: Tutuila (ridge)
Reference: E. L. Webb, B. J. Stanfield, and M. L. Jensen. 1999. Effects of topography on rainforest tree community structure and diversity in American Samoa, and implications for frugivore and nectarivore populations. Journal of Biogeography 26(4):887-897 [ER 60]
Geography
Country: United States
State: American Samoa
Coordinate: 14° 18' S, 170° 41' E
Coordinate basis: stated in text
Geography comments: "Plots ranged from 48 m to 339 m in elevation"
Environment
Habitat: tropical/subtropical moist broadleaf forest
Substrate: ground surface
Disturbance: recent storm
Methods
Life forms: trees
Sites: 20
Site area: 0.4
Sample size: 379 individuals
Size min: 10
Basal area: 8.1
Sampling comments: twenty 10 x 20 m plots
Metadata
Sample number: 162
Contributor: John Alroy
Enterer: Albert Garcia Selles
Created: 2013-03-08 10:57:33
Modified: 2017-11-11 02:45:52
Abundance distribution
39 species
15 singletons
total count 379
extrapolated richness: 77.1
Fisher's α: 10.904
geometric series k: 0.8949
Hurlbert's PIE: 0.9159
Shannon's H: 2.8729
Good's u: 0.9605
Each square represents a species. Square sizes are proportional to counts.
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