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]
Geography
Country: Brazil

State: Minas Gerais



Coordinate: 20° 15' 0" S, 46° 37' 30" W
Coordinate basis: based on nearby landmark

Geography comments: coordinate is based on Serra da Canastra National Park
elevation 800 to 1500 m

Environment
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

Methods
Life forms: rodents,other small mammals

Sampling methods: line transect,baited,snap traps

Sample size: 58 individuals

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"

Metadata
Sample number: 1846

Contributor: John Alroy

Enterer: John Alroy

Created: 2015-12-20 11:12:09

Modified: 2015-12-20 00:12:09

Abundance distribution
10 species
2 singletons
total count 58
geometric series index: 15.5
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
Each square represents a species. Square sizes are proportional to counts.
Register
Calomys laucha tenor1313.8 g
Necromys lasiurus544.4 g herbivore-invertivore
"Zygodontomys lasiurus lasiurus"
Oligoryzomys fornesi914.5 g
"Oryzomys fornesi"
Thalpomys lasiotis619.2 g
"Akodon (Thalpomys) lasiotis"
Rhipidomys mastacalis1066.2 g
Oxymycterus roberti773.9 g
Monodelphis domestica149.4 g
Gracilinanus agilis123.5 g insectivore-frugivore
"Marmosa agilis agilis"
Nectomys squamipes2224 g
Cerradomys subflavus494.2 g herbivore-invertivore
"Oryzomys subflavus"