Ankarafa Forest
Basic information
Sample name: Ankarafa Forest
Sample aka: Sahamalaza-Iles Radama National Park
Reference: M. S. N. Volampeno, G. Randriatahina, and C. T. Downs. 2013. Structure and composition of Ankarafa Forest, Sahamalaza-Iles Radama National Park, Madagascar: implications for the frugivorous endemic blue-eyed black lemur (Eulemur flavifrons). South African Journal of Wildlife Research 43(2):91-102 [ER 2812]
Geography
Country: Madagascar
Coordinate: 14° 23' S, 47° 46' E
Coordinate basis: stated in text
Geography comments: a "234.23" forest
latitude erroneously given as 14ยบ22'64.2"S
elevation 0 to 355 m
latitude erroneously given as 14ยบ22'64.2"S
elevation 0 to 355 m
Environment
Habitat: tropical/subtropical dry broadleaf forest
Protection: national/state park
Substrate: ground surface
MAP: 1824.0
Habitat comments: "dry, deciduous forest" that is "both protected and managed, and timber and wildlife harvesting is not permitted"
Methods
Life forms: trees
Sites: 30
Site area: 1.2
Sampling methods: quadrat
Sample size: 848 individuals
Years: 2008
Size min: 5
Basal area: 11.73
Sampling comments: "Plots measuring 20 x 20 m were established... with 15 within 10 m of the forest edge and 15 within the forest core... spaced approximately 100 m apart"
individual BA values are given for each species; these were apparently calculated in cm2/ha2 and then mistakenly multiplied by 0.00001 instead of 0.0001 to get m2/ha values
individual BA values are given for each species; these were apparently calculated in cm2/ha2 and then mistakenly multiplied by 0.00001 instead of 0.0001 to get m2/ha values
Metadata
Sample number: 3053
Contributor: John Alroy
Enterer: John Alroy
Created: 2018-07-15 17:10:55
Modified: 2018-07-15 07:10:55
Abundance distribution
42 species
6 singletons
total count 848
geometric series index: 57.0
Fisher's α: 9.280
geometric series k: 0.8801
Hurlbert's PIE: 0.9116
Shannon's H: 2.9419
Good's u: 0.9929
Each square represents a species. Square sizes are proportional to counts.
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