Rivera (grassland)
Basic information
Sample name: Rivera (grassland)

Reference: M. J. Andrade-Nez and T. M. Aide. 2010. Effects of habitat and landscape characteristics on medium and large mammal species richness and composition in northern Uruguay. Zoologia 27(6):909-917 [ER 1711]
Geography
Country: Uruguay

Coordinate: 31° 11' S, 55° 46' W
Basis of coordinate: based on nearby landmark
Geography comments: "in the northwestern part of the department of Rivera... Study sites were located in ten properties of a forestry company" (coordinate is based on Tranqueras)
Climate and habitat
Habitat: tropical/subtropical savanna
Substrate: ground surface
Disturbance: grazing
MAT: 18.1
MAP: 1653.0
Habitat comments: "The climate is humid subtropical" and the "Grassland sites were characterized by a predominance of grasses and herbaceous vegetation and a lack of trees and shrubs species" and there is definitely "cattle ranching" in the area
Methods
Life forms: carnivores, ungulates, other large mammals, other small mammals
Sites: 10
Sampling methods: no design, baited, automatic cameras
Sample size: 41
Years: 2008
Days: 24
Nets or traps: 40
Net or trap nights: 960
Camera type: digital
Cameras paired: no
Trap spacing: 0.060
Sampling comments: "The first survey was carried out from January to April, 2008, the second survey from June to August, 2008, and the third survey from September to December, 2008. Each site was surveyed for approximately 24 days... The direct method consisted of four digital camera traps (Cuddeback Excite Digital Camera, 2 Megapixels) for eight consecutive days in each site for a total of 96 camera/days per site (3 censuses x 4 cameras x 8 days). Camera traps were separated on average by 60 m... We used apples, bananas, sardines and vanilla as baits"
Metadata
Sample: 1908
Contributor: John Alroy
Enterer: John Alroy
Created: 2016-01-10 17:24:46
Modified: 2016-01-12 17:40:45
Abundance distribution
7 species
2 singletons
total count 41
Fisher's α: 2.427
geometric series k: 0.6020
Hurlbert's PIE: 0.6774
Shannon's H: 1.4801
Good's u: 0.9512
Register
Cerdocyon thous215.2 kg carnivore-frugivore
Dasypus novemcinctus44.1 kg invertivore
Mazama gouazoubira3 frugivore-browser
Pseudalopex gymnocercus5 carnivore-frugivore
Conepatus chinga61.9 kg
Lepus europaeus13.4 kg herbivore
Sus scrofa157 kg herbivore