Reef Bay Trail
Basic information
Sample name: Reef Bay Trail

Reference: R. T. T. Forman and D. C. Hahn. 1980. Spatial patterns of trees in a Caribbean semievergreen forest. Ecology 61(6):1267-1274 [ER 25]
Geography
Country: United States

State: Virgin Island

County: Lesser Antilles

Coordinate: 18° 20' N, 65° 44' W
Latlng basis: based on nearby landmark

Geography comments: "just above sea level" on the island of St. John
coordinate based on St. John

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Environment
Habitat: tropical/subtropical dry broadleaf forest

Altered habitat: fragment

Substrate: ground surface

MAT: 26.0

MAP: 1285.0

Habitat comments: "moist semievergreen forest... The majority of the canopy appeared to be deciduous"
the "study area in the forest was a 4-ha plot" that "is the most extensive portion of the forest" (so it is clearly a fragment)
MAT and MAP (range 103 to 154 cm) stated in text; "daily average range" is 11.5

Methods
Life forms: trees

Sites: 1

Site area: 4.0

Sampling methods: line transect

Sample size: 89 individuals

Years: 1975

Seasons: dry

Net or trap nights: 0

Size min: 10.0

Basal area status: not stated

Sampling comments: JA: point centered quadrat method (so sampled area can't be calculated)

Metadata
Sample no: 99

Contributor no: John Alroy

Enterer: Albert Garcia Selles

Created: 2013-02-25 12:20:32

Modified: 2015-02-22 23:33:37

Abundance distribution
Each square represents a species. Square sizes are proportional to counts. Values are logged.
Statistics
15 species
2 singletons
total count 89
geometric series index: 22.2
Fisher's α: 5.168
geometric series k: 0.8241
Hurlbert's PIE: 0.8965
Shannon's H: 2.4504
Good's u: 0.978
Register
Andira inermis 15
Amyris elemiferat 13
Swietenia mahagoni 13
Melicoccus hijugatus 8
Caesearia guianensis 6
Eugenia monicoa 6
Eugenia rhomnbeat 6
Zanthoxylum mononphyllum 5
Acacia macracantha 4
Tamarindus indica 4
Capparis sp. 3
Zanthoxylum martinicense 2
Capparis atmplissima 2
Exostemna caribaeum 1
Family indet.1
Yellow bark