Mpala Research Centre (spiders)
Basic information
Sample name: Mpala Research Centre (spiders)
Reference: C. M. Warui, M. H. Villet, and T. P. Young. 2004. Spiders (Arachnida: Araneae) from black cotton soil habitats of a highland savanna biome in Laikipia, central Kenya. Journal of Afrotropical Zoology 1:9-20 [ER 2799]
Geography
Country: Kenya
Coordinate: 0° 17' N, 37° 52' E
Coordinate basis: stated in text
Geography comments: "adjacent to Mpala Ranch in the Laikipia District"
elevation 1750 to 1800 m
elevation 1750 to 1800 m
Environment
Habitat: tropical/subtropical savanna
Substrate: ground surface
MAP: 550.0
Habitat comments: "The vegetation... consists mainly of Acacia bushed grasslan"
MAP 500 to 600 mm
MAP 500 to 600 mm
Methods
Life forms: spiders
Sampling methods: line transect,sweep nets,pitfall traps
Sample size: 10487 individuals
Years: 2001, 2002
Sampling comments: "The study was conducted at MRC in 18 exclosure plots... Three pitfalls per plot... were used, making a total of 54 traps. The three pitfall traps were laid ona line transect every 3 m... Traps were left open and emptied every second week" and "Sweep-neeting... was done on a randomly selected 50 m transect in each of the 18 plots... one hundred sweeps were made along each transect... The process was repeated every fortnight throughout the study period" (which was May 2001 to June 2002)
Metadata
Sample number: 3033
Contributor: John Alroy
Enterer: John Alroy
Created: 2018-06-20 20:54:47
Modified: 2018-06-20 10:54:47
Abundance distribution
132 species
16 singletons
total count 10487
geometric series index: 175.2
Fisher's α: 21.284
geometric series k: 0.9421
Hurlbert's PIE: 0.9189
Shannon's H: 3.3156
Good's u: 0.9985
Each square represents a species. Square sizes are proportional to counts.
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