Iloyin Forest (study site I)
Basic information
Sample name: Iloyin Forest (study site I)
Reference: B. W. Adu, E. O. Akindele, and A. A. Obadofin. 2015. Composition and distribution of dragonflies and damselflies (Insecta: Odonata) in Iloyin Forest, Akure, southwestern Nigeria. Ethiopian Journal of Environmental Studies & Management 8(5):517-529 [ER 2250]
Geography
Country: Nigeria
State: Ondo
Coordinate: 7° 17' 26" N, 5° 9' 41" E
Latlng basis: stated in text
Geography comments: "in Akure"
Environment
Habitat: tropical/subtropical upland river
Altered habitat: secondary forest
Substrate: water edge
Disturbance: agriculture, selective logging
Habitat comments: "a secondary re-growth forest" and specifically "a big stream that was far away from residential area. Apart from forest vegetation, parts of the physical structure of the site include farming activities such as cocoa plantation. There were evidences of regular deforestation (i.e. logging of wood) and clearance of riparian vegetation at the stream"
dry forest based on location
dry forest based on location
Methods
Life forms: odonates
Sampling methods: no design, sweep nets
Sample size: 709 individuals
Net or trap nights: 0
Basal area status: not applicable
Sampling comments: "Specimens of adult Odonata were collected in the forest using an insect sweep net (70 cm diameter with a long handle)... Sampling was carried once a week for a period of three months; from 9.00 am to 4.00 pm on every sampling day"
Metadata
Sample no: 2310
Contributor no: John Alroy
Enterer: John Alroy
Created: 2016-10-21 10:42:31
Modified: 2016-10-21 04:49:14
Abundance distribution
Each square represents a species. Square sizes are proportional to counts. Values are logged.
Statistics
70 species
0 singleton
total count 709
geometric series index: 78.6
Fisher's α: 19.273
geometric series k: 0.9816
Hurlbert's PIE: 0.9843
Shannon's H: 4.1993
Good's u: 1
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