Caucaia do Alto (pitfall traps)
Basic information
Sample name: Caucaia do Alto (pitfall traps)
Reference: F. Umetsu, L. Naxara, and R. Pardini. 2006. Evaluating the efficiency of pitfall traps for sampling small mammals in the Neotropics. Journal of Mammalogy 87(4):757-765 [ER 850]
Geography
Country: Brazil
State: Säo Paulo
Coordinate: 23° 44' S, 47° 3' W
Coordinate basis: estimated from map
Geography comments: five sites were in the Morro Grande Reserve and the others were to the west
altitude 850 to 1100 m
altitude 850 to 1100 m
Environment
Habitat: tropical/subtropical dry broadleaf forest
Substrate: ground surface
MAT: 19.0
MAP: 1350.0
Habitat comments: "a transition between the coastal Atlantic rain forest and the Atlantic semideciduous forest, classified as 'Lower Montane Atlantic Rain Forest'"; 23 of 26 sites were in "secondary forest from 50 to 80 years old"
mean max/min 27/11
rainfall 1300 to 1400 mm and is "seasonably variable"
mean max/min 27/11
rainfall 1300 to 1400 mm and is "seasonably variable"
Methods
Life forms: rodents,other small mammals
Sites: 26
Sampling methods: drift fences,pitfall traps
Sample size: 1420 individuals
Years: 2002 - 2005
Days: 74
Nets or traps: 11
Net or trap nights: 462
Sampling comments: at each of the 26 sites there was "a 100-m sequence of 11 pitfall traps... connected by a 500-mm-tall plastic drift fence"; pitfall trap sessions totalled 74 days and 462 trap nights
Metadata
Sample number: 1202
Contributor: John Alroy
Enterer: John Alroy
Created: 2015-02-14 19:54:52
Modified: 2015-02-14 08:57:12
Abundance distribution
28 species
2 singletons
total count 1420
geometric series index: 37.5
Fisher's α: 4.944
geometric series k: 0.8101
Hurlbert's PIE: 0.8805
Shannon's H: 2.4161
Good's u: 0.9986
Each square represents a species. Square sizes are proportional to counts.
• Find matching samples
Register
Marmosops incanus | 254 | 52.2 g insectivore-frugivore |
Didelphis aurita | 86 | 1.1 kg invertivore-frugivore |
Monodelphis americana | 66 | 36.0 g |
Gracilinanus microtarsus | 41 | 33.4 g |
Monodelphis scalops | 11 | 52.0 g |
Philander frenatus | 3 | 388 g invertivore-herbivore |
Lutreolina crassicaudata | 2 | 586 g |
Monodelphis sp. | 2 | |
Monodelphis sorex | 2 | 35.3 g |
Marmosops paulensis | 1 | 52.6 g |
Oligoryzomys nigripes | 295 | 17.7 g herbivore |
Akodon montensis | 179 | 35.7 g herbivore-invertivore |
Delomys sublineatus | 151 | |
Sooretamys angouya | 106 | 124 g |
"Oryzomys angouya" | ||
Brucepattersonius aff. soricinus | 63 | 33.0 g |
Euryoryzomys russatus | 63 | 78.5 g |
"Oryzomys russatus" | ||
Thaptomys nigrita | 32 | 21.2 g |
Juliomys pictipes | 17 | 20.6 g |
Oxymycterus dasytrichus | 11 | |
Phyllomys nigrispinus | 11 | |
Calomys tener | 9 | 10.6 g |
Rhagomys rufescens | 3 | |
Rhipidomys cf. mastacalis | 3 | 66.2 g |
Bibimys labiosus | 2 | 30.8 g |
Necromys lasiurus | 2 | 44.4 g herbivore-invertivore |
"Bolomys lasiurus" | ||
Cavia aperea | 2 | 530 g |
Nectomys squamipes | 2 | 224 g |
Blarinomys breviceps | 1 | 22.0 g |