Ipassa Reserve (large rainy season)
Basic information
Sample name: Ipassa Reserve (large rainy season)

Reference: N. van Vliet, R. Nasi, and J. P. Lumaret. 2008. Factors influencing duiker dung decay in north-east Gabon: are dung beetles hiding duikers?. African Journal of Ecology 47:40-47 [ER 363]
Country: Gabon

Coordinate: 0° 31' N, 12° 48' E
Basis of coordinate: based on nearby landmark
Geography comments: "close to the IRET (Institute of Tropical Ecology) research station" (coordinate based on Ipassa Makokou Biosphere Reserve)
Climate and habitat
Habitat: tropical/subtropical dry broadleaf forest
Protection: biosphere reserve
Substrate: ground surface
MAT: 23.9
MAP: 1672.0
Habitat comments: "a transition forest between the evergreen and deciduous forests" with two rainy and two dry seasons
Life forms: scarab beetles
Site length: 450.000
Sampling methods: line transect, baited, pitfall traps
Sample size: 243
Years: 2005, 2006
Days: 9
Seasons: wet or monsoon
Nets or traps: 10
Net or trap nights: 90
Sampling comments: "ten pitfall traps, separated by 50 m and baited with fresh red duiker dung" that were trapped over one day and night each month during nine months scattered across a 13 month period
this sample combines counts of beetles captured during the day and overnight (listed in separate tables)
Sample: 693
Contributor: John Alroy
Enterer: John Alroy
Created: 2014-04-01 14:17:13
Modified: 2020-05-29 20:12:29
Abundance distribution
20 species
2 singletons
total count 243
standardised richness: not computable
Fisher's α: 5.165
geometric series k: 0.8148
Hurlbert's PIE: 0.8970
Shannon's H: 2.5432
Good's u: 0.9918