Rietondale Research Station
Basic information
Sample name: Rietondale Research Station

Reference: A. van den Berg and A. S. Dippenaar-Schoeman. 1991. Ground-living spiders from an area where the harvester termite Hodotermes mossambicus occurs in South Africa. Phytophylactica 23:247-254 [ER 2895]
Geography
Country: South Africa

State: Gauteng

Coordinate: 25° 14' S, 28° 15' E
Latlng basis: stated in text

Geography comments: "6 km north-east of the center of Pretoria"

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Environment
Habitat: tropical/subtropical savanna

Protection: unprotected

Substrate: ground surface

MAT: 18.1

MAP: 679.0

Habitat comments: "15 ha of flat grassland... The grass in the study area was cut once during 1986 and 1987 for winter fodder"
"a sub-tropical climate with wet summers, dry winters... average maximum and minimum temperatures were 25, 1 ºC and 12, 1 ºC in 1986; 24, 4 ºC and 11, 7 ºC in 1987 and 24, 2 ºC and 11, 4 º in 1988" (mean 18.15)

Methods
Life forms: spiders

Sites: 1

Site length: 50.0

Site width: 25.0

Sampling methods: quadrat, pitfall traps

Sample size: 1854 individuals

Years: 1986 - 1988

Days: 459

Nets or traps: 50

Net or trap nights: 0

Basal area status: not applicable

Sampling comments: "Spiders were collected in pit traps... Fifty traps were placed in a regular grid pattern in an area 50 m long by 25 m wide. The traps were emptied once per week" from "May to September 1986, 1987 and 1988" (i.e., 153 over days per year)

Metadata
Sample no: 3104

Contributor no: John Alroy

Enterer: John Alroy

Created: 2018-09-18 19:28:54

Modified: 2018-09-18 09:28:54

Abundance distribution
Each square represents a species. Square sizes are proportional to counts. Values are logged.
Statistics
47 species
5 singletons
total count 1854
geometric series index: 64.8
Fisher's α: 8.771
geometric series k: 0.8693
Hurlbert's PIE: 0.8307
Shannon's H: 2.4141
Good's u: 0.9973
Register
Vidole sothoana 3
Ammoxenus amphalodes 349
Larinia sp. 2
Caponia spiralifera 15
Castianeira sp. 3
Ancyclotrypa sp. 6
Dictyna sp. 2
Dresserus kannemeyeri 4
Asemesthes sp. 79
Camillina aesta 46
Camillina capensis 42
Camillina sp. 8
Haplodrassus stationis 630
Zelotes frenchi 10
Zelotes laevus 47
Zelotes natalensis 15
Zelotes tuckeri 4
Zelotes vryburgensis 155
Gnaphosidae indet.2
Hersilia sp. 1
Olios sp. 2
Pseudomicrommata sp. 1
Ostearius melanopygius 2
Lycosa umtalica 5
Lycosa sp. 15
Pardosa crassipalpis 40
Pardosa oncka 5
Pardosa spp. 4
2 species
Lycosidae indet.38
3 genera
Miturgidae indet.1
Oxyopes longispinosus 8
Oxyopes spp. 6
3 species
Smeringopus sp. 7
Philodromus sp. 2
Thanatus sp. 12
Chiasmopes sp. 1
Spencerella sp. 1
Phlegra sp. 1 110
Phlegra sp. 2 7
Salticidae indet.10
3 genera
Enoplognatha sp. 7
Latrodectus geometricus 3
Latrodectus indistinctus 85
Steatoda sp. 3
Diores annetteae 50
Cydrela sp. 2
Zodariidae indet.4