Minimum Critical Size of Ecosystems Project (clearcuts)
Basic information
Sample name: Minimum Critical Size of Ecosystems Project (clearcuts)
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, 59° 50' W
Coordinate basis: stated in text
Geography comments: "80 km north of Manaus"
Environment
Habitat: tropical/subtropical moist broadleaf forest
Altered habitat: pasture
Substrate: ground surface
MAT: 26.7
MAP: 2186.0
Habitat comments: converted to pasture and including "clumps of second-growth vegetation"; "cattle were not being grazed"
climate data based on Andresen (2002) (see samples 621 and 622)
climate data based on Andresen (2002) (see samples 621 and 622)
Methods
Life forms: scarab beetles
Sites: 12
Site length: 1224
Sampling methods: line transect,baited,pitfall traps
Sample size: 717 individuals
Years: 1986
Days: 4
Nets or traps: 18
Net or trap nights: 72
Sampling comments: one site 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 number: 1359
Contributor: John Alroy
Enterer: John Alroy
Created: 2015-02-24 09:39:08
Modified: 2015-10-03 03:08:20
Abundance distribution
12 species
4 singletons
total count 717
extrapolated richness: 22.7
Fisher's α: 2.047
geometric series k: 0.5923
Hurlbert's PIE: 0.6691
Shannon's H: 1.2777
Good's u: 0.9944
Each square represents a species. Square sizes are proportional to counts.
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Current reference:
Shotwell 1968 (ER 3992)