East of Bariloche
Basic information
Sample name: East of Bariloche
Reference: M. Lozada, N. Guthmann, and N. Baccala. 2000. Microhabitat selection of five sigmodontine rodents in a forest-steppe transition zone in northwestern Patagonia. Studies on Neotropical Fauna and Environment 35(2):85-90 [ER 999]
Geography
Country: Argentina
State: Río Negro
Coordinate: 41° 9' S, 71° 18' W
Latlng basis: based on nearby landmark
Geography comments: "8 km east of Bariloche" (coordinate based on San Carlos de Bariloche)
Environment
Habitat: temperate savanna
Substrate: ground surface
MAT: 8.0
MAP: 800.0
Habitat comments: "an ecotonal steppe" with "low grass... xerophyllous cushion plants... and bushes"
Methods
Life forms: rodents
Site length: 100.0
Site width: 100.0
Sampling methods: quadrat, baited, Sherman traps
Sample size: 2500 individuals
Years: 1991, 1994
Days: 168
Nets or traps: 100
Net or trap nights: 16800
Basal area status: not applicable
Sampling comments: "One hundred Sherman traps were set in a 10 ×10 m grid (with a 10 m inter-trap distance). Traps, baited with rolled oats, were con- trolled during four consecutive days per month" over 45 months
Metadata
Sample no: 1489
Contributor no: John Alroy
Enterer: John Alroy
Created: 2015-03-07 12:01:36
Modified: 2015-03-07 01:01:36
Abundance distribution
Each square represents a species. Square sizes are proportional to counts. Values are logged.
Statistics
5 species
0 singleton
total count 2500
geometric series index: 5.0
Fisher's α: 0.6
geometric series k: 0.6321
Hurlbert's PIE: 0.6873
Shannon's H: 1.3486
Good's u: 1
Register
| Abrothrix xanthorhinus (grass mouse) | 1190 | 16.5 g |
| Abrothrix longipilis (long-haired grass mouse) | 471 | |
| Eligmodontia morgani | 510 | 16.5 g |
| Reithrodon auritus | 190 | 81.3 g |
| Oligoryzomys longicaudatus (long-tailed pygmy rice rat) | 139 | 28.5 g |