National Botanical Gardens
Basic information
Sample name: National Botanical Gardens
Reference: A. N. Suh and M. J. Samways. 2005. Significance of temporal changes when designing a reservoir for conservation of dragonfly diversity. Biodiversity and Conservation 14:165-178 [ER 1085]
Geography
Country: South Africa
State: KwaZulu-Natal
Coordinate: 29° 35' S, 30° 25' E
Coordinate basis: stated in text
Geography comments: in Pietermaritzburg
Environment
Habitat: temperate upland river
Altered habitat: inhabited area
Protection: unprotected
Substrate: water edge
Habitat comments: "an impounded stream with an inlet and outlet, forming a small reservoir with a 550 m circumference"
Methods
Life forms: odonates
Sites: 31
Sampling methods: quadrat,visual
Sample size: 4111 captures or sightings
Years: 2001
Sampling comments: "Adult male Odonata were recorded by walking the 20 m SUs [= sampling units] and noting in 6min all male individuals patrolling or perching within each SU"
Metadata
Sample number: 1598
Contributor: John Alroy
Enterer: John Alroy
Created: 2015-05-25 20:25:58
Modified: 2020-01-14 05:30:05
Abundance distribution
28 species
0 singletons
total count 4111
geometric series index: 30.8
Fisher's α: 4.043
geometric series k: 0.8178
Hurlbert's PIE: 0.9249
Shannon's H: 2.7394
Good's u: 1.0000
Each square represents a species. Square sizes are proportional to counts.
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