Barro Colorado Island
Basic information
Sample name: Barro Colorado Island
Reference: R. Condit, S. P. Hubbell, and R. B. Foster. 1996. Changes in tree species abundance in a Neotropical forest: impact of climate change. Journal of Tropical Ecology 12:231-256 [ER 2491]
Geography
Country: Panama
Coordinate: 9° 9' N, 80° 51' W
Latlng basis: based on nearby landmark
Geography comments: coordinate based on Barro Colorado Island
altitude range is 26 to 64 m based on Kenoyer (1929, Ecology) and Hu et al. (2014, PLOS ONE)
altitude range is 26 to 64 m based on Kenoyer (1929, Ecology) and Hu et al. (2014, PLOS ONE)
Environment
Habitat: tropical/subtropical dry broadleaf forest
Substrate: ground surface
MAT: 27.0
MAP: 2641.0
Habitat comments: "old-growth forest with no signs of human disturbance for over 500 years" except for "2 ha in an area cleared until about 1900 as part of a French settlement"
climate data are Zimmermann et al. (2013)
climate data are Zimmermann et al. (2013)
Methods
Life forms: trees
Sites: 1
Site area: 50.0
Sampling methods: quadrat
Sample size: 232898 individuals
Years: 1982
Net or trap nights: 0
Size min: 1.0
Basal area status: not stated
Sampling comments: data for 1985 and 1990 are also given
Metadata
Sample no: 2774
Contributor no: John Alroy
Enterer: John Alroy
Created: 2017-11-05 09:47:18
Modified: 2017-11-07 09:46:25
Abundance distribution
Each square represents a species. Square sizes are proportional to counts. Values are logged.
Statistics
302 species
12 singletons
total count 253441
geometric series index: 333.5
Fisher's α: 33.853
geometric series k: 0.9654
Hurlbert's PIE: 0.9536
Shannon's H: 4.0644
Good's u: 1.0
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