Basic information
Sample name: Itatira

Reference: C. E. Nobre and A. L. Carvalho. 2014. Odonata of Itatira, a Brazilian semi-arid area in the state of Ceará. International Journal of Odonatology 17(2-3):73-80 [ER 2993]
Country: Brazil
State: Ceará

Coordinate: 4° 34' S, 39° 45' W
Basis of coordinate: stated in text as range
Geography comments: at three specific, unnamed locations in "the municipality of Itatira"
coordinate is the midpoint of the three
Habitat: desert/xeric shrubland
Protection: unknown
Substrate: ground surface
Habitat comments: "typical shrub and arboreal Caatinga" with collections made "along the margins of water bodies"
Life forms: odonates
Sampling methods: no design, other nets
Sample size: 90
Years: 2011
Seasons: dry, wet or monsoon
Sampling comments: "The collections were conducted by the senior author... using an entomological net. Survey was complemented by photographic documentation... from 15–19 May (during the rainy season) and from 17–21 August (during the dry season), totaling 55 sampling hours" in 2011
only physically capture specimens were counted
Sample: 3209
Contributor: John Alroy
Enterer: John Alroy
Created: 2019-02-07 12:52:05
Modified: 2019-02-07 12:59:48
Abundance distribution
35 species
11 singletons
total count 90
extrapolated richness: 64.7
Fisher's α: 21.041
geometric series k: 0.9234
Hurlbert's PIE: 0.9438
Shannon's H: 3.2607
Good's u: 0.8812
Each square represents a species. Square sizes are proportional to counts.