General Carrera Lake (shrub-pasture)
Basic information
Sample name: General Carrera Lake (shrub-pasture)

Reference: R. A. Figueroa Rojas, E. S. Corales Stappung, and O. S. Alvarado. 2003. Diet of the Red-backed Hawk (Buteo polyosoma) in a forested area of the Chilean Patagonia and its relation to the abundance of rodent prey. Hornero 18(1):43-52 [ER 1339]
Country: Chile

Coordinate: 46° 37' S, 72° 34' W
Basis of coordinate: stated in text
Geography comments: "on the north-western edge of General Carrera Lake, near Puerto Tranquilo village... in AysÚn"
slopes and pastures are between 500 and 1000 m
Climate and habitat
Habitat: temperate broadleaf/mixed forest
Altered habitat: pasture
Substrate: ground surface
MAT: 6.5
MAP: 1000.0
Habitat comments: "The lower slopes and the valleys are composed of wide pastures with scattered old trees, small meadows, and small patches and peninsulas of evergreen forest in varying degrees of degradation"
climate data are for Tranquilo and are from Piper et al. (2014, Am J Bot)
Life forms: rodents
Sampling methods: quadrat, Sherman traps
Sample size: 229
Years: 1999, 2000
Days: 8
Nets or traps: 50
Net or trap nights: 400
Sampling comments: "A trapping grid was established for each site using medium Sherman live-traps. Traps were active for one night for each season (seasonal effort = 200 traps-night, total effort = 1200 traps-night)" across three sites including this one
Sample: 1800
Contributor: John Alroy
Enterer: John Alroy
Created: 2015-11-01 17:31:26
Modified: 2015-12-02 21:27:27
Abundance distribution
5 species
2 singletons
total count 229
standardised richness: not computable
Fisher's α: 0.902
geometric series k: 0.2742
Hurlbert's PIE: 0.3722
Shannon's H: 0.7122
Good's u: 0.9913