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, 59° 50' W
Coordinate 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

Sampling methods: line transect,baited,pitfall traps

Sample size: 934 individuals

Years: 1986

Days: 4

Nets or traps: 18

Net or trap nights: 72

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

Metadata
Sample number: 1360

Contributor: John Alroy

Enterer: John Alroy

Created: 2015-02-24 09:41:16

Modified: 2015-10-03 03:07:59

Abundance distribution
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
Each square represents a species. Square sizes are proportional to counts.
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