Instituto Biológico (leaf litter)
Basic information
Sample name: Instituto Biológico (leaf litter)

Reference: F. M. Ribeiro, N. Sibinel, G. Ciocheti, and A. E. C. Campos. 2012. Analysis of ant communities comparing two methods for sampling ants in an urban park in the city of Säo Paulo, Brazil. Sociobiology 59(1):971-984 [ER 2126]
Geography
Country: Brazil

State: Säo Paulo



Coordinate: 23° 35' S, 46° 38' W
Coordinate basis: based on nearby landmark

Geography comments: "the 3 ha park of Instituto Biológico... in the city of Säo Paulo, the Vila Mariana neighborhood, 5 km away from downtown" (coordinate based on Vila Mariana)

Environment
Habitat: tropical/subtropical dry broadleaf forest

Altered habitat: inhabited area

Protection: unprotected

Substrate: leaf litter

Habitat comments: no description of the original habitat, which is inferred from the climate of Säo Paulo

Methods
Life forms: ants

Sampling methods: line transect,Winkler apparatus

Sample size: 697 individuals

Years: 2005

Nets or traps: 25

Trap spacing: 0.01

Sampling comments: "Data collection was conducted in April, September and October 2005... Five transects of 40 m each were established in the main grassed areas... In each transect one square meter of leaf litter was collected every 10 meters (N = 25), later processed in a Winkler extractor"
only percentage data are given, but they clearly imply that the sample size was 697

Metadata
Sample number: 2112

Contributor: John Alroy

Enterer: John Alroy

Created: 2016-06-17 20:58:06

Modified: 2020-01-14 05:32:14

Abundance distribution
22 species
6 singletons
total count 697
geometric series index: 40.4
Fisher's α: 4.323
geometric series k: 0.7394
Hurlbert's PIE: 0.3334
Shannon's H: 0.9447
Good's u: 0.9914
Each square represents a species. Square sizes are proportional to counts.
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