Sagar Island (August 1983)
Basic information
Sample name: Sagar Island (August 1983)
Reference: T. R. Mitra. 1992. Odonata of the mangrove tidal forest of West Bengal, India. Notulae odonatologicae 3(9):141-143 [ER 2975]
Geography
Country: India
State: West Bengal
Coordinate: 21.65° N, 88.06° E
Latlng basis: based on nearby landmark
Geography comments: coordinate based on Sagar Island
Environment
Habitat: mangrove
Protection: unknown
Substrate: ground surface
WMT: 29.7
CMT: 20.4
Habitat comments: "mangrove forest"
CMT and WMT are for Sagar Island
CMT and WMT are for Sagar Island
Methods
Life forms: odonates
Sampling methods: no design
Sample size: 67 individuals
Years: 1983
Net or trap nights: 0
Basal area status: not applicable
Metadata
Sample no: 3183
Contributor no: John Alroy
Enterer: John Alroy
Created: 2019-01-04 13:45:44
Modified: 2019-01-04 02:45:44
Abundance distribution
Each square represents a species. Square sizes are proportional to counts. Values are logged.
Statistics
17 species
10 singletons
total count 67
geometric series index: 51.7
Fisher's α: 7.344
geometric series k: 0.8319
Hurlbert's PIE: 0.8433
Shannon's H: 2.2302
Good's u: 0.8512
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