Basic information
Sample name: Idi-Ose
Sample aka: Ibadan

Reference: A. O. Oladoye, A. M. Aduradola, M. O. Adedire, and D. A. Agboola. 2014. Composition and stand structure of a regenerating tropical rainforest ecosystem in South-western Nigeria. International Journal of Biodiversity and Conservation 6(11):765-776 [ER 2086]
Country: Nigeria

Coordinate: 7° 30' N, 3° 55' E
Basis of coordinate: stated in text
Geography comments: "on the one thousand hectares land in the International Institute of Tropical Agriculture (I.I.T.A) campus at Idi-Ose, Northern part of Ibadan"
Habitat: tropical/subtropical dry broadleaf forest
Altered habitat: fragment
Protection: unprotected
Substrate: ground surface
WMT: 23.0
CMT: 21.0
MAP: 1400.0
Habitat comments: "within the humid tropical lowland region with two distinct seasons: the longer wet season and shorter dry season. Wet season last for eight months from March to October while dry season last for four months from November to February"
MAP 1300 to 1500 mm
a forest fragment entirely surrounded by altered habitats based on satellite photos
Life forms: trees
Sites: 25
Site area: 1.500
Sampling methods: quadrat
Sample size: 1328
Minimum size: 5.0cm dbh
Basal area: 23.4703 per ha
Sampling comments: "Twenty four (25 X 25 m) permanent sample plots"
basal area is apparently incorrectly reported as 198.7 in the text; actual figure is 23.4703 based on summing plot-by-plot values in table 3
Sample: 2030
Contributor: John Alroy
Enterer: John Alroy
Created: 2016-06-07 14:41:21
Modified: 2020-06-05 19:03:22
Abundance distribution
57 species
5 singletons
total count 1328
extrapolated richness: 63.3
Fisher's α: 12.111
geometric series k: 0.9153
Hurlbert's PIE: 0.9498
Shannon's H: 3.3487
Good's u: 0.9962
Each square represents a species. Square sizes are proportional to counts.