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]
Country: South Africa
State: Kwazulu-Natal

Coordinate: 30° 24' S, 29° 37' E
Basis of coordinate: stated in text
Geography comments: "on the N3 highway bypassing Pietermaritzburg"
Climate and habitat
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)
Life forms: ants
Sites: 8
Sampling methods: pitfall traps
Sample size: 9875
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
Sample: 838
Contributor: John Alroy
Enterer: John Alroy
Created: 2014-04-18 21:11:17
Modified: 2015-10-04 09:48:31
Abundance distribution
28 species
1 singleton
total count 9875
extrapolated richness: 31.7
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.