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 São Paulo, Brazil. Sociobiology 59(1):971-984 [ER 2126]
Country: Brazil
State: São Paulo

Coordinate: 23° 35' S, 46° 38' W
Basis of coordinate: based on nearby landmark
Geography comments: "the 3 ha park of Instituto Biológico... in the city of São Paulo, the Vila Mariana neighborhood, 5 km away from downtown" (coordinate based on Vila Mariana)
Climate and habitat
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 São Paulo
Life forms: ants
Sampling methods: line transect, Winkler apparatus
Sample size: 697
Years: 2005
Nets or traps: 25
Trap spacing: 0.010
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
Sample: 2112
Contributor: John Alroy
Enterer: John Alroy
Created: 2016-06-17 20:58:06
Modified: 2020-01-14 16:32:14
Abundance distribution
22 species
6 singletons
total count 697
standardised richness: not computable
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