Chucul
Basic information
Sample name: Chucul
Reference: I. Simone, F. Cagnacci, C. Provensal, and J. Polop. 2009. Environmental determinants of the small mammal assemblage in an agroecosystem of central Argentina: The role of Calomys musculinus. Mammalian Biology 75:496-509 [ER 1656]
Geography
Country: Argentina
State: Córdoba
Coordinate: 33° 55' 6" S, 64° 10' 9" W
Latlng basis: stated in text
Geography comments: "the rural area of Chucul" in "Río Cuarto Department"
Environment
Habitat: temperate broadleaf/mixed forest
Altered habitat: cropland
Substrate: ground surface
Disturbance: grazing
WMT: 23.0
CMT: 9.0
MAP: 850.0
Habitat comments: "a soft undulate and well drained plain... Natural vegetation was dominated by Prosopis alba and P. nigra accompanied by Aspidosperma quebracho blanco. However, as a result of agriculture and cattle farming, vegetation has undergone marked alterations. At present, the transitional landscape of woodland and pampean native grassland (Stipa spp.) persists in small remnants (patches) among crop-fields"
MAP 800 to 900 mm
MAP 800 to 900 mm
Methods
Life forms: rodents
Sampling methods: line transect, baited, Sherman traps
Sample size: 1041 individuals
Years: 2005, 2006
Days: 24
Seasons: spring, summer, autumn
Nets or traps: 480
Net or trap nights: 11520
Basal area status: not applicable
Sampling comments: "24 crop-field borders were selected from satellite images... Small mammal trapping in borders was conducted in November 2005 (spring), March 2006 (summer) and May 2006 (autumn)... A total of 20 traps were placed in each border. Sherman live-traps and snap- traps were alternated, located at 4-m intervals. All traps were baited with a mixture of peanut butter and cow fat and were checked every morning during two consecutive weeks (eight nights)"
Metadata
Sample no: 1852
Contributor no: John Alroy
Enterer: John Alroy
Created: 2015-12-21 21:00:45
Modified: 2015-12-21 10:00:45
Abundance distribution
Each square represents a species. Square sizes are proportional to counts. Values are logged.
Statistics
8 species
0 singleton
total count 1041
geometric series index: 8.8
Fisher's α: 1.179
geometric series k: 0.5229
Hurlbert's PIE: 0.7168
Shannon's H: 1.421
Good's u: 1
Register
| Akodon azarae (Azara's grass mouse) | 329 | 24.4 g |
| Akodon dolores (dolorous grass mouse) | 4 | |
| Calomys laucha | 23 | 13.8 g |
| Calomys musculinus | 374 | 12.7 g |
| Calomys venustus | 234 | 49.5 g |
| Mus musculus (house mouse) | 3 | |
| Oligoryzomys flavescens (yellow pygmy rice rat) | 52 | 19.1 g |
| Oxymycterus rufus | 22 | 45.0 g |