Odessa and Gibbon (06:00, 2006)
Basic information
Sample name: Odessa and Gibbon (06:00, 2006)
Reference: S. D. Whipple, M. L. Brust, W. W. Hoback, and K. M. Farnsworth-Hoback. 2010. Sweep sampling capture rates for rangeland grasshoppers (Orthoptera: Acrididae) vary during morning hours. Journal of Orthoptera Research 19(1):75-80 [ER 2141]
Geography
Country: United States
State: Nebraska
Coordinate: 40° 52' N, 99° 4' W
Coordinate basis: based on political unit
Geography comments: "Sites 1 and 2 are approximately 3.2 km apart and located north of Odessa... Sites 3 and 4 are approximately 1.6 km apart and located north of Gibbon" (both are in Buffalo County, basis of coordinate)
Environment
Habitat: temperate savanna
Substrate: ground surface
Disturbance: grazing
Habitat comments: "mixed-grass prairies with vegetation approximately 0.3 m tall and low grazing pressure by cattle"
Methods
Life forms: orthopterans
Sites: 4
Sampling methods: no design,sweep nets
Sample size: 183 individuals
Years: 2006, 2007
Days: 160
Seasons: summer,autumn
Sampling comments: "Each of the four sites was sampled over four consecutive days for three sampling periods between June and September of 2006. At each site, twenty low and fast sweeps... were taken... Methods were revised in 2007 by changing site 4 to a new location... which allowed the sampling of two sites per day... This permitted seven sampling dates for each of the four sites through the summer" (total sampling effort 4 sites x 4 days x 3 periods + 4 sites x 4 days x 7 periods)
Metadata
Sample number: 2131
Contributor: John Alroy
Enterer: John Alroy
Created: 2016-07-24 16:36:38
Modified: 2016-07-24 06:37:25
Abundance distribution
14 species
5 singletons
total count 183
extrapolated richness: 25.9
Fisher's α: 3.528
geometric series k: 0.7086
Hurlbert's PIE: 0.7126
Shannon's H: 1.6912
Good's u: 0.9727
Each square represents a species. Square sizes are proportional to counts.
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