Arenillas Ecological Reserve (February)
Basic information
Sample name: Arenillas Ecological Reserve (February)

Reference: A. Castro and C. I. Espinosa. 2015. Seasonal diversity of butterflies and its relationship with woody-plant resources availability in an Ecuadorian tropical dry forest. Tropical Conservation Science 8(2):333-351 [ER 1187]
Country: Ecuador
State: El Oro

Coordinate: 3° 32' S, 80° 9' W
Basis of coordinate: based on nearby landmark
Geography comments: coordinate based on Arenillas Ecological Reserve
Habitat: tropical/subtropical dry broadleaf forest
Protection: nature reserve
Substrate: ground surface
MAT: 24.2
MAP: 668.0
Habitat comments: "tropical lowland dry forest... that forms part of a forest-scrub transition, with predominance of deciduous plant species"
"four months of rainy season (January-April) and eight months of dry season... The average annual rainfall is 668 mm, of which 516 mm occur in the rainy season and 152 mm in the dry season
Life forms: butterflies
Sampling methods: no design, butterfly nets, baited, other traps
Sample size: 76
Years: 2012
Nets or traps: 12
Sampling comments: captures were with "Van Sommeren-Rydon traps [41, 42] baited with fermented fruits... and with a butterfly net... A total of 12 traps were distributed in two, 250 m parallel rows 100 m apart"
Sample: 3148
Contributor: John Alroy
Enterer: John Alroy
Created: 2018-12-31 14:47:32
Modified: 2018-12-31 14:47:32
Abundance distribution
11 species
3 singletons
total count 76
extrapolated richness: 17.9
Fisher's α: 3.532
geometric series k: 0.6711
Hurlbert's PIE: 0.4782
Shannon's H: 1.2387
Good's u: 0.9616
Each square represents a species. Square sizes are proportional to counts.