Sample name: Pawnee National Grassland (on colony)

Reference: J. J. Kenney, J. K. Detling, and R. P. Reading. 2016. Influence of black-tailed prairie dogs (Cynomys ludovicianus) on short- horned grasshoppers (Orthoptera: Acrididae) on the shortgrass steppe of Colorado. Journal of Arid Environments 127:93-99 [ER 2157]

Habitat: temperate savanna

Protection: other protected area

Substrate: ground surface

Disturbance: grazing

MAP: 322.0

Habitat comments: "shortgrass steppe... Each of our five study sites consisted of a prairie-dog colony that had been occupied for more than 5 years... All sites were open to grazing by cattle"

Life forms: orthopterans

Sites: 5

Sampling methods: no design,hoop nets

Sample size: 436 individuals

Years: 1997, 1998

Days: 8

Seasons: summer,autumn

Sampling comments: "Within each... site, we sampled within one 45 m 75 m plot... In 1997, we conducted abundance sampling 15-16 July, 4-5 August, 18-19 August and 13-14 September... In 1998, we collected samples at 4 week intervals from 16 June through 15 September... Within each plot, we sampled grasshopper abundance by counting the number of grasshoppers flushed from twenty 0.8 m2 hoops placed within a 4 x 5 hoop grid with 15 m between hoop centers"
counts do include nymphs

Sample number: 2155

Contributor: John Alroy

Enterer: John Alroy

Created: 2016-07-28 12:30:27

Modified: 2018-06-30 11:02:45