Buenos Aires Province
Basic information
Sample name: Buenos Aires Province

Reference: L. Rosario, F. M. Soledad, and C. Regino. 2015. Wild small mammals in intensive milk cattle and swine production systems. Agriculture, Ecosystems and Environment 202:251-259 [ER 1142]
Geography
Country: Argentina

State: Buenos Aires

Coordinate: 35° 34' S, 59° 6' W
Latlng basis: based on nearby landmark

Geography comments: "in Marcos Paz, General Las Heras, Exaltación de la Cruz and San Andrés de Giles"
a very general coordinate is given; coordinate is based on Lujan, which is roughly at the midpoint of the four towns

Environment
Habitat: temperate broadleaf/mixed forest

Altered habitat: inhabited area

Protection: unprotected

Substrate: ground surface

MAT: 16.6

MAP: 951.0

Habitat comments: sampling was within "animal sheds... food storage sheds or silos... human buildings... vegetated areas around dwellings" and "drainage channels"
climate data are for the district of Luján and are based on Bobadilla et al. (2016, Current Zoology)

Methods
Life forms: rodents, other small mammals

Sites: 18

Sampling methods: line transect, baited, cage traps, Sherman traps

Sample size: 505 individuals

Years: 2008 - 2011

Net or trap nights: 14359

Basal area status: not applicable

Sampling comments: "Trapping surveys were conducted on 10 pig farms and eight dairy farms" and "mammals were captured using cage live traps (15 16 31 cm) baited with beef and carrot, and Sherman traps (8 9 23 cm) baited with a mixture of peanut butter, bovine fat and rolled oats. The two types of traps were set adjacent to each other every 10 m along trap lines of 50–100 m with 1–3 replicates per habitat depending on the farm structure... Traps were active for three consecutive nights and checked daily in the morning... Animals were sacrificed" and there was "a trapping effort of 7333 Sherman trap-nights and 7026 cage live trap-nights"

Metadata
Sample no: 1666

Contributor no: John Alroy

Enterer: John Alroy

Created: 2015-07-01 20:09:25

Modified: 2020-01-14 07:25:16

Abundance distribution
Each square represents a species. Square sizes are proportional to counts. Values are logged.
Statistics
9 species
0 singleton
total count 505
geometric series index: 9.7
Fisher's α: 1.556
geometric series k: 0.6183
Hurlbert's PIE: 0.6443
Shannon's H: 1.4421
Good's u: 1
Register
Rattus norvegicus (brown rat)281300.0 g
Rattus rattus (black rat)17121.0 g
Mus musculus (house mouse)86
Akodon azarae (Azara's grass mouse)4124.4 g
Calomys laucha 613.8 g
Oligoryzomys flavescens (yellow pygmy rice rat)719.1 g
Cavia aperea 6530.0 g
Didelphis albiventris (white-eared opossum)41
Lutreolina crassicaudata (big lutrine opossum)20586.0 g