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, 48° 46' E
Latlng 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
Net or trap nights: 0
Size min: 5.0
Basal area status: per ha is
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 no: 3053
Contributor no: John Alroy
Enterer: John Alroy
Created: 2018-07-15 17:10:55
Modified: 2018-07-15 07:10:55
Abundance distribution
Each square represents a species. Square sizes are proportional to counts. Values are logged.
Statistics
42 species
6 singletons
total count 848
geometric series index: 57.0
Fisher's α: 9.28
geometric series k: 0.8801
Hurlbert's PIE: 0.9116
Shannon's H: 2.9419
Good's u: 0.9929
Register
| Mangifera indica | 188 | |
| Garcinia pauciflora | 97 | |
| Grangeria porosa | 57 | |
| Mascarenhasia arborescens | 48 | |
| Sorindeia madagascariensis | 68 | |
| Erythroxylum platycladum | 31 | |
| Poaceae indet. | 49 | |
| bamboo | ||
| Albizia spp. | 11 | |
| Diospyros spp. | 13 | |
| Hymenaea verrucosa | 41 | |
| Grewia spp. | 14 | |
| Antidesma petiolare | 3 | |
| Burasaia madagascariensis | 6 | |
| Harungana madagascariensis | 13 | |
| Olax sp. | 3 | |
| Canarium madagascariense | 12 | |
| "Canarium madagascariensis" | ||
| Bridelia pervilleana | 11 | |
| Dypsis lutescens | 8 | |
| Treculia perrieri | 16 | |
| Millettia aurea | 6 | |
| Petalodiscus platyrachis | 16 | |
| Macphersonia gracilis | 9 | |
| Poupartia silvatica | 1 | |
| Campylosperm umanceps | 9 | |
| Ziziphus jujuba | 1 | |
| "Zizyphus jujuba" | ||
| Dalbergia spp. | 7 | |
| Macaris ialanceolata | 24 | |
| Terminalia perrieri | 10 | |
| Strychnos madagascariensis | 7 | |
| Brachylaena perrieri | 5 | |
| Gardenia rutenbergiana | 6 | |
| Homalium axillare | 28 | |
| Bosqueia spp. | 11 | |
| Ficus tiliaefolia | 2 | |
| Albizia gummifera | 1 | |
| Mammea punctata | 2 | |
| Mammea vatoensis | 1 | |
| Scolopia madagascariensis | 1 | |
| Brachylaena ramiflora | 1 | |
| Canthium spp. | 6 | |
| Cedrelopsis grevei | 3 | |
| Aphloia theiformis | 2 | |