N3 Highway
Basic information
Sample name: N3 Highway
Reference: M. J. Samways, R. Osborn, and F. Carliel. 1997. Effect of a highway on ant (Hymenoptera: Formicidae) species composition and abundance, with a recommendation for roadside verge width. Biodiversity and Conservation 6:903-913 [ER 476]
Geography
Country: South Africa
State: Kwazulu-Natal
Coordinate: 30° 24' S, 29° 37' E
Coordinate basis: stated in text
Geography comments: "on the N3 highway bypassing Pietermaritzburg"
Environment
Habitat: tropical/subtropical savanna
Substrate: ground surface
WMT: 24.6
CMT: 16.9
MAP: 1010.0
Habitat comments: "grassland savanna"
climate based on station 68588 (Durban Airport)
climate based on station 68588 (Durban Airport)
Methods
Life forms: ants
Sites: 8
Sampling methods: pitfall traps
Sample size: 9875 individuals
Years: 1993
Days: 61
Nets or traps: 144
Net or trap nights: 8784
Sampling comments: three pitfall traps in a line 1 m apart set at six different distances from the highway at each of eight sites left out through the months of April and May and checked every four days
Metadata
Sample number: 838
Contributor: John Alroy
Enterer: John Alroy
Created: 2014-04-18 21:11:17
Modified: 2015-10-03 22:48:31
Abundance distribution
28 species
1 singleton
total count 9875
extrapolated richness: 34.6
Fisher's α: 3.528
geometric series k: 0.7142
Hurlbert's PIE: 0.1917
Shannon's H: 0.5374
Good's u: 0.9999
Each square represents a species. Square sizes are proportional to counts.
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