Pentecoste (July 2008)
Basic information
Sample name: Pentecoste (July 2008)

Reference: F. A. Nunes, G. B. Martins Segundo, Y. B. Vasconcelos, R. Azevedo, and Y. Quinet. 2011. Ground-foraging ants (Hymenoptera: Formicidae) and rainfall effect on pitfall trapping in a deciduous thorn woodland (Caatinga), Northeastern Brazil. Revista de Biologia Tropical 59(4):1637-1650 [ER 1299]
Country: Brazil
State: Ceará

Coordinate: 3° 48' S, 39° 20' W
Basis of coordinate: stated in text
Geography comments: "in the municipality of Pentecoste"
Climate and habitat
Habitat: desert/xeric shrubland
Substrate: ground surface
MAT: 26.8
MAP: 723.0
Habitat comments: "deciduous thorny woodland vegetation (Caatinga)... The vegetation in the study site had three main strata: a dense tree layer up to 8m, an open and low shrub layer, and a closed herbaceous layer"
climate data are for the Fazenda Experimental do Vale do Curu of Universidade Federal do Ceará and are from Passos et al. (2013, Zoologia)
Life forms: ants
Sampling methods: line transect, pitfall traps
Sample size: 165
Years: 2008
Days: 7
Nets or traps: 20
Net or trap nights: 140
Sampling comments: "One line-transect within the study site was surveyed monthly during one year. The transect consisted of 20 sampling points separated by 10m for a total extent of 200m. At each sampling point, a polyvinyl chloride (PVC) tube (14cm deep, 12.2cm diameter) was placed in the soil and remained there for the whole sampling period (August 2008-August 2009). The PVC tubes served as sleeves to house the 20 pitfall traps (13cm deep, 12cm diameter)... Sampling was undertaken once a month... The pitfall traps were partially filled with a mixture of 90% ethanol (70%) and monoethylene glycol (30%) and operated for seven days"
Sample: 1788
Contributor: John Alroy
Enterer: John Alroy
Created: 2015-10-25 09:20:53
Modified: 2016-01-17 17:29:54
Abundance distribution
27 species
6 singletons
total count 165
extrapolated richness: 36.8
Fisher's α: 9.171
geometric series k: 0.8912
Hurlbert's PIE: 0.9260
Shannon's H: 2.8652
Good's u: 0.9640
Each square represents a species. Square sizes are proportional to counts.