Instituto Biológico (pitfall traps)
Basic information
Sample name: Instituto Biológico (pitfall traps)
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]
Geography
Country: Brazil
State: São Paulo
Coordinate: 24° 35' S, 47° 38' W
Latlng basis: 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)
Environment
Habitat: tropical/subtropical dry broadleaf forest
Altered habitat: inhabited area
Protection: unprotected
Substrate: ground surface
Habitat comments: no description of the original habitat, which is inferred from the climate of São Paulo
Methods
Life forms: ants
Sampling methods: line transect, pitfall traps
Sample size: 704 individuals
Years: 2005
Days: 2
Nets or traps: 72
Net or trap nights: 144
Trap spacing: 0.01
Basal area status: not applicable
Sampling comments: "Data collection was conducted in April, September and October 2005. Two transects were designed to cover the largest area of the park. Along each transect 36 pitfall traps were placed, spaced 10 meters apart (N = 72)... The traps were laid in the soil and collected 48 hours later"
percentage data are given, and clearly imply that the sample size was 704
percentage data are given, and clearly imply that the sample size was 704
Metadata
Sample no: 2111
Contributor no: John Alroy
Enterer: John Alroy
Created: 2016-06-17 20:51:22
Modified: 2020-01-14 05:31:54
Abundance distribution
Each square represents a species. Square sizes are proportional to counts. Values are logged.
Statistics
28 species
5 singletons
total count 704
geometric series index: 42.8
Fisher's α: 5.831
geometric series k: 0.8235
Hurlbert's PIE: 0.8667
Shannon's H: 2.3701
Good's u: 0.9929
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