Idi-Ose
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]
Geography
Country: Nigeria


Coordinate: 7° 30' N, 3° 55' E
Coordinate basis: 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"

Environment
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

Methods
Life forms: trees

Sites: 25

Site area: 1.5

Sampling methods: quadrat

Sample size: 1328 individuals

Size min: 5

Basal area: 23.4703

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

Metadata
Sample number: 2030

Contributor: John Alroy

Enterer: John Alroy

Created: 2016-06-07 14:41:21

Modified: 2020-06-05 09:03:22

Abundance distribution
57 species
5 singletons
total count 1328
geometric series index: 72.7
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.
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