Basic information
Sample name: Provost

Reference: J. M. Hardman and S. Smoliak. 1982. The relative impact of various grasshopper species on Stipa-Agropyron mixed prairie and fescue prairie in southern Alberta. Journal of Range Management 35(2):171-176 [ER 2165]
Country: Canada
State: Alberta

Coordinate: 52° 21' N, 110° 16' W
Basis of coordinate: based on nearby landmark
Geography comments: "290 km northeast of Calgary" (coordinate based on Provost)
Climate and habitat
Habitat: temperate savanna
Substrate: ground surface
Habitat comments: "Stipa-Agropyron prairie"
Life forms: orthopterans
Sampling methods: no design, sweep nets
Sample size: 934
Years: 1971, 1972
Seasons: summer
Sampling comments: "Grasshoppers were sampled annually in late August... The samples were obtained by making 50-1, 000 semi-circular sweeps with a 34-cm diam. net at the rate of one sweep per step"
text states there are 934 individuals, fully consistent with there having been 400 sweeps in total over two field seasons
Sample: 2171
Contributor: John Alroy
Enterer: John Alroy
Created: 2016-08-04 09:49:58
Modified: 2016-08-04 09:56:39
Abundance distribution
11 species
1 singleton
total count 934
standardised richness: 3.7
Fisher's α: 1.751
geometric series k: 0.5317
Hurlbert's PIE: 0.5735
Shannon's H: 1.1786
Good's u: 0.9989