Estação Ecológica de Maraca (riparian)
Basic information
Sample name: Estação Ecológica de Maraca (riparian)

Reference: J. W. Ribeiro Jr, A. P. Lima, and W. E. Magnusson. 2012. The effect of riparian zones on species diversity of frogs in Amazonian forests. Copeia 2012(3):375-381 [ER 241]
Country: Brazil
State: Roraima

Coordinate: 3° 22' S, 61° 28' W
Basis of coordinate: estimated from map
Geography comments: coordinate estimated from map in text
altitude range 54.9 to 82.5 m
Habitat: tropical/subtropical moist broadleaf forest
Substrate: ground surface
MAT: 26.0
MAP: 2000.0
Habitat comments: precip 1750 - 2250
Life forms: frogs
Sites: 25
Site length: 6250.000
Sampling methods: line transect, hand capture, visual
Sample size: 172
Years: 2008, 2009
Sampling comments: 30 250 m long plots at 1 km intervals on a grid plus 19 250 plots "along the margins of water bodies" (25 defined as riparian)
apparently some combination of visual sightings and hand captures
Sample: 485
Contributor: John Alroy
Enterer: John Alroy
Created: 2014-03-20 13:39:33
Modified: 2014-03-20 13:39:33
Abundance distribution
20 species
4 singletons
total count 172
extrapolated richness: 25.7
Fisher's α: 5.860
geometric series k: 0.8499
Hurlbert's PIE: 0.9090
Shannon's H: 2.5844
Good's u: 0.9769
Each square represents a species. Square sizes are proportional to counts.