Barra do Choça Remnant 1 (Winkler sacks)
Basic information
Sample name: Barra do Choça Remnant 1 (Winkler sacks)

Reference: J. M. S. Freitas, J. H. C. Delabie, and S. Lacau. 2014. Composition and diversity of ant species into leaf litter of two fragments of a semi-deciduous seasonal forest in the Atlantic Forest biome in Barra do Choça, Bahia, Brazil. Sociobiology 61(1):9-20 [ER 2261]
Country: Brazil
State: Bahia

Coordinate: 14° 50' 0" S, 40° 33' 13" W
Basis of coordinate: stated in text
Habitat: tropical/subtropical dry broadleaf forest
Altered habitat: fragment
Substrate: ground surface
Disturbance: grazing, selective logging
MAT: 19.8
MAP: 734.0
Habitat comments: "within the transition zone between dense ombrophilous forests and seasonal deciduous forest areas"; sites are in "remnant fragments that have experienced intense processes of environmental degradation from agro-pastoral activities and the selective extraction of commercially valuable trees... embedded within monoculture and pasture matrices, and their interiors demonstrate clear evidence of selective cutting and cattle trails. The regional climate is classified as high-elevation tropical"
Life forms: ants
Sampling methods: no design, Winkler apparatus
Sample size: 346
Nets or traps: 46
Sampling comments: "Ant collections were made in January and April/2011 using 47 Winkler sacks and 47 pitfall traps... in each fragment (one Winkler sack was destroyed in fragment 1, Table 1) distributed at intervals of 30 m within an area of approximately 10 hectares – but always at least 100 m from the external edges of the fragment. A pitfall trap was installed at each collection point and left for two days... When the pitfall trap was re- moved, an additional sample of 1 m2 of leaf litter was removed from the same site, passed through a sieve, and then processed in a Winkler extractor for 48 hours"
Sample: 2337
Contributor: John Alroy
Enterer: John Alroy
Created: 2016-10-26 20:50:10
Modified: 2016-10-26 21:03:12
Abundance distribution
65 species
25 singletons
total count 346
extrapolated richness: 111.4
Fisher's α: 23.640
geometric series k: 0.9516
Hurlbert's PIE: 0.9645
Shannon's H: 3.6599
Good's u: 0.9278
Each square represents a species. Square sizes are proportional to counts.