Serra da Canastra National Park (rat traps)
Basic information
Sample name: Serra da Canastra National Park (rat traps)

Reference: J. M. Dietz. 1983. Notes on the natural history of some small mammals in central Brazil. Journal of Mammalogy 64(3):521-523 [ER 1638]
Country: Brazil
State: Minas Gerais

Coordinate: 20° 15' 0" S, 46° 37' 30" W
Basis of coordinate: based on nearby landmark
Geography comments: coordinate is based on Serra da Canastra National Park
elevation 800 to 1500 m
Climate and habitat
Habitat: tropical/subtropical savanna
Protection: national/state park
Substrate: ground surface
Disturbance: grazing
WMT: 22.0
CMT: 18.0
MAP: 1500.0
Habitat comments: "approximately 50% grassland, 35% cerrado vegetation, specifically campo cerrado... subtropical with well-defined wet and dry seasons. June through August is typically the driest period... The wet season [is] November-February"
"range fires" are set regularly and cattle grazing is intense
MAP 1300 to 1700 mm
Life forms: rodents, other small mammals
Sampling methods: line transect, baited, snap traps
Sample size: 58
Years: 1978 - 1980
Days: 51
Nets or traps: 50
Net or trap nights: 2550
Sampling comments: "During the last three nights of each month from October 1978 through February 1980, I set 50 wooden- based rat traps baited with rolled oats in each of the three habitat types in the park (i.e., 150 trap-nights/ habitat/month). Traps were placed 4 m apart in a straightline following a randomly-chosen vector within each habitat type"
Sample: 1846
Contributor: John Alroy
Enterer: John Alroy
Created: 2015-12-20 11:12:09
Modified: 2015-12-20 11:12:09
Abundance distribution
10 species
2 singletons
total count 58
standardised richness: 8.8
Fisher's α: 3.483
geometric series k: 0.7520
Hurlbert's PIE: 0.8542
Shannon's H: 2.0691
Good's u: 0.9661