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]
Geography
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)
climate data are for the Fazenda Experimental do Vale do Curu of Universidade Federal do Ceará and are from Passos et al. (2013, Zoologia)
Methods
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"
Metadata
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
standardised richness: 23.6
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
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