River Segire (canopy-closed stands)
Basic information
Sample name: River Segire (canopy-closed stands)
Sample aka: Yakushima Island
Reference: T. Kohyama. 1986. Tree size structure of stands and each species in primary warm-temperate rain forests of southern Japan. Botanical Magazine, Tokyo 99:267-279 [ER 704]
Geography
Country: Japan
Coordinate: 30° 21' N, 131° 32' E
Latlng basis: based on political unit
Geography comments: coordinate stated in text is erroneous; coordinate is based instead of Yakushima Island
altitude 490 to 570 m
altitude 490 to 570 m
Environment
Habitat: temperate broadleaf/mixed forest
Substrate: ground surface
MAT: 13.4
WMT: 23.8
CMT: 2.1
MAP: 6800.0
Habitat comments: "warm-temperate forests dominated by Distylium racemosum"
Methods
Life forms: trees
Sites: 20
Site area: 0.8
Sampling methods: quadrat
Sample size: 2910 individuals
Years: 1980, 1981
Net or trap nights: 0
Size min: 2.0
Basal area status: not stated
Sampling comments: 20 20 x 20 m plots
basal area is stated but includes saplings
basal area is stated but includes saplings
Metadata
Sample no: 1019
Contributor no: John Alroy
Enterer: John Alroy
Created: 2014-07-31 21:02:15
Modified: 2014-08-22 03:17:19
Abundance distribution
Each square represents a species. Square sizes are proportional to counts. Values are logged.
Statistics
29 species
4 singletons
total count 2910
geometric series index: 38.4
Fisher's α: 4.476
geometric series k: 0.8123
Hurlbert's PIE: 0.9176
Shannon's H: 2.6328
Good's u: 0.9986
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