Obafemi Awolowo University Ile-Ife
Basic information
Sample name: Obafemi Awolowo University Ile-Ife
Reference: B. W. Adu and S. S. Ogbogu. 2011. Diversity of dragonflies and damselflies (Insecta: Odonata) in Obafemi Awolowo University, Ile-Ife, southwestern Nigeria. Agrion 15(1):24-31 [ER 1137]
Geography
Country: Nigeria
Coordinate: 8° 30' N, 5° 32' E
Latlng basis: stated in text as range
Geography comments: coordinate is the midpoint of ranges stated in the text
Environment
Habitat: tropical/subtropical moist broadleaf forest
Substrate: water edge
Habitat comments: "fragmented forests" on a "vast estate" comprising "tropical rainforest"; "Four sampling sites were selected in the university estate to represent forested areas taking cognizance of streams and a reservoir... Sampling activities were also carried out randomly in the open vegetation around channels in deforested areas"
Methods
Life forms: odonates
Sites: 4
Sampling methods: no design, sweep nets
Sample size: 195 individuals
Years: 2006, 2007
Days: 13
Net or trap nights: 0
Basal area status: not applicable
Sampling comments: "Collection of adult dragonflies and damselflies was carried out with a sweep net... on monthly basis between 8.00 AM and 2.00 PM for 13 months, December 2006 - January 2007"
Metadata
Sample no: 1658
Contributor no: John Alroy
Enterer: John Alroy
Created: 2015-06-29 16:57:06
Modified: 2015-06-29 06:57:06
Abundance distribution
Each square represents a species. Square sizes are proportional to counts. Values are logged.
Statistics
53 species
23 singletons
total count 195
geometric series index: 126.5
Fisher's α: 23.951
geometric series k: 0.9459
Hurlbert's PIE: 0.959
Shannon's H: 3.5328
Good's u: 0.8824
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