Ferret Valley (shrubbery)
Basic information
Sample name: Ferret Valley (shrubbery)
Reference: M. Negro, C. Palestrini, M. T. Giraudo, and A. Rolando. 2011. The effect of local environmental heterogeneity on species diversity of alpine dung beetles (Coleoptera: Scarabaeidae). European Journal of Entomology 108:91-98 [ER 337]
Geography
Country: Italy
Coordinate: 46° 51' N, 7° 1' E
Latlng basis: stated in text
Geography comments: "on the Italian side of the Monte Bianco massif, at the head of the Aosta valley"
Environment
Habitat: montane grassland
Substrate: ground surface
Disturbance: grazing
WMT: 15.8
CMT: 1.3
MAP: 957.0
Habitat comments: "scrub (alpine rose, Rhododendron ferrugineum L. and bilberry Vaccinium myrtillus L.)... grazed by cattle"
Methods
Life forms: scarab beetles
Site length: 60.0
Sampling methods: line transect, baited, pitfall traps
Sample size: 1491 individuals
Years: 2007
Days: 133
Nets or traps: 3
Net or trap nights: 399
Basal area status: not applicable
Sampling comments: "There were three [cattle dung-baited] traps spaced 30 m apart at each site. Traps were set at the beginning of June 2007 and emptied every week until the end of October 2007" and there were "nineteen sampling periods" (meaning 19 weeks of sampling)
Metadata
Sample no: 657
Contributor no: John Alroy
Enterer: John Alroy
Created: 2014-03-30 10:38:17
Modified: 2015-10-01 10:30:30
Abundance distribution
Each square represents a species. Square sizes are proportional to counts. Values are logged.
Statistics
17 species
1 singleton
total count 1491
geometric series index: 20.8
Fisher's α: 2.69
geometric series k: 0.7071
Hurlbert's PIE: 0.7977
Shannon's H: 1.9268
Good's u: 0.9993
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