Mejerda Valley
Basic information
Sample name: Mejerda Valley
Reference: F. Errouissi, I. Labidi, and S. Nouira. 2009. Seasonal occurrence and local coexistence within scarabaeid dung beetle guilds (Coleoptera: Scarabaeoidea) in Tunisian pasture. European Journal of Entomology 106:85-94 [ER 334]
Geography
Country: Tunisia
Coordinate: 36° 52' N, 10° 1' E
Basis of coordinate: stated in text
Climate and habitat
Habitat: desert/xeric shrubland
Altered habitat: pasture
Substrate: ground surface
MAT: 18.0
MAP: 400.0
Habitat comments: "This area consists of an open landscape" and the site is "cattle pasture... in the sub-arid Mediterranean climate zone of Tunisia"
Methods
Life forms: scarab beetles
Sites: 1
Sampling methods: baited, pitfall traps
Sample size: 4965
Years: 2006
Days: 91
Nets or traps: 4
Net or trap nights: 364
Sampling comments: "Four [cow dung] baited pitfall traps situated 30 m apart" (array configuration unclear); "The trap contents were collected one week later and the dung renewed three weeks later for a further sampling period, which was repeated throughout the year" (apparently meaning that there were week-long sampling periods every four weeks over a year, i.e., a total of 13 weeks)
separate data are given for each of the 12 months in 2006 but sample sizes are very small, so the totals are used
separate data are given for each of the 12 months in 2006 but sample sizes are very small, so the totals are used
Metadata
Sample: 654
Contributor: John Alroy
Enterer: John Alroy
Created: 2014-03-30 08:53:47
Modified: 2015-10-01 20:23:58
Abundance distribution
37 species
4 singletons
total count 4965
standardised richness: not computable
Fisher's α: 5.425
geometric series k: 0.8000
Hurlbert's PIE: 0.5963
Shannon's H: 1.6282
Good's u: 0.9992
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