El Oro de Hidalgo (mixed forest)
Basic information
Sample name: El Oro de Hidalgo (mixed forest)

Reference: L. T. van Ingen, R. I. Campos, and A. N. Andersen. 2008. Ant community structure along an extended rain forest-savanna gradient in tropical Australia. Journal of Tropical Ecology 24(4):445-455 [ER 532]
Geography
Country: Mexico
State: Mexico

Coordinate: 19° 43' 0" N, 100° 5' 38" W
Basis of coordinate: stated in text
Geography comments: "in the North State of Mexico in the municipalities of San José Del Rincón, Jocotitlán and El Oro" (coordinate places the sample in Mexico state, south of El Oro de Hidalgo)
Climate and habitat
Habitat: temperate broadleaf/mixed forest
Altered habitat: secondary forest
Substrate: ground surface
MAT: 13.7
MAP: 1100.0
Habitat comments: "the weather in the area of study is classified as Cw2, which means sub-humid temperate (18 to 20°C) with showers in summer (200 to 1 800 mm) and temperate forest" (not clear if the rainfall figures are annual)
tree stratum includes "species characteristically found in primary forest (Q. crassipes, Q. rugosa, Arbutus sp., Pinus sp.), but the presence of Cupressus lindleyi Klotzsch ex. Endl. showed evidence of disturbance by reforestation"
climate data are for the Valley of Toluca and are from Flores et al. (2015, Revista Mexicana de Ciencias Agrícolas)
Methods
Life forms: ants
Sampling methods: quadrat, baited, pitfall traps
Sample size: 4118
Years: 2009, 2010
Days: 3
Nets or traps: 48
Net or trap nights: 192
Sampling comments: "a study area of 2 500 m2 was selected in each zone, and 16 pit fall traps were placed with 10 m of separation between them... The collections were carried out from February to March 2009 (dry season) and one more August through September 2010 (rainy season), which produced a total of 192 traps" across this sample and the two others; "containers were covered with a plastic dish that held a vial with a lure made from a mixture of oats and honey" and were "opened for 72 h"
Metadata
Sample: 2109
Contributor: John Alroy
Enterer: John Alroy
Created: 2016-06-17 20:24:03
Modified: 2016-06-17 20:24:03
Abundance distribution
29 species
4 singletons
total count 4118
Fisher's α: 4.211
geometric series k: 0.7712
Hurlbert's PIE: 0.7913
Shannon's H: 1.9476
Good's u: 0.9990
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