Minimum Critical Size of Ecosystems Project (1 ha forest fragment)
Basic information
Sample name: Minimum Critical Size of Ecosystems Project (1 ha forest fragment)
Reference: B. C. Klein. 1989. Effects of forest fragmentation on dung and carrion beetle communities in central Amazonia. Ecology 70(6):1715-1725 [ER 296]
Geography
Country: Brazil
State: Amazonas
Coordinate: 2° 25' S, 60° 50' W
Latlng basis: stated in text
Geography comments: "80 km north of Manaus"
Environment
Habitat: tropical/subtropical moist broadleaf forest
Altered habitat: fragment
Substrate: ground surface
MAT: 26.7
MAP: 2186.0
Habitat comments: climate data based on Andresen (2002) (see samples 621 and 622)
Methods
Life forms: scarab beetles
Sites: 12
Site length: 1224.0
Sampling methods: line transect, baited, pitfall traps
Sample size: 934 individuals
Years: 1986
Days: 4
Nets or traps: 18
Net or trap nights: 72
Basal area status: not applicable
Sampling comments: one sites within each of three blocks each consisting of a six trap transect spaced at 17 m
aged beef-baited pitfall traps sampled "from May to July" for four days in total
aged beef-baited pitfall traps sampled "from May to July" for four days in total
Metadata
Sample no: 1360
Contributor no: John Alroy
Enterer: John Alroy
Created: 2015-02-24 09:41:16
Modified: 2015-10-03 03:07:59
Abundance distribution
Each square represents a species. Square sizes are proportional to counts. Values are logged.
Statistics
38 species
8 singletons
total count 934
geometric series index: 60.7
Fisher's α: 7.961
geometric series k: 0.8514
Hurlbert's PIE: 0.7893
Shannon's H: 2.2098
Good's u: 0.9915
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