An'Ala (2001)
Basic information
Sample name: An'Ala (2001)
Reference: D. Vallan, F. Andreone, V. H. Raherisoa, and R. Dolch. 2004. Does selective wood exploitation affect amphibian diversity? The case of An'Ala, a tropical rainforest in eastern Madagascar. Oryx 38(4):410-417 [ER 253]
Geography
Country: Madagascar
Coordinate: 19° 55' S, 48° 29' E
Latlng basis: stated in text
Environment
Habitat: tropical/subtropical moist broadleaf forest
Substrate: ground surface
MAT: 19.4
MAP: 1680.0
Habitat comments: "mid-altitude dense rainforest... in a valley where a small, slow running brook forms a network of small ponds and extensive swamps"
MAT is based on Ménard et al. 2010 (PNAS) and applies to Moramanga
MAT is based on Ménard et al. 2010 (PNAS) and applies to Moramanga
Methods
Life forms: frogs
Sampling methods: timed, visual
Sample size: 238 individuals
Years: 1997, 2001
Net or trap nights: 0
Sampling comments: visual encounter survey
Metadata
Sample no: 515
Contributor no: John Alroy
Enterer: John Alroy
Created: 2014-03-21 12:57:13
Modified: 2014-04-26 06:50:35
Abundance distribution
Each square represents a species. Square sizes are proportional to counts. Values are logged.
Statistics
40 species
11 singletons
total count 238
geometric series index: 72.5
Fisher's α: 13.762
geometric series k: 0.9249
Hurlbert's PIE: 0.9496
Shannon's H: 3.2397
Good's u: 0.954
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