sweep sampling

CGR01 Sweep sampling of Grasshoppers on Konza Prairie LTER watersheds in 1981 only

Abstract: 

Sweep samples for estimating grasshopper (Acrididae) composition and relative abundance at one site for each of 12 Konza Prairie LTER fire/grazing/soil treatment combinations (3 fire treatments x 2 soils x 2 grazing treatments). Samples were collected in June, August, and September. At each site on each occasion, 18 sets of 10 sweeps each (180 sweeps total) were taken. Stored data include for each site on each occasion: total number of each species (all instars combined) collected and total number for each instar for each species (180 sweeps combined).

Core Areas: 

Data set ID: 

28

Short name: 

CGR01

Purpose: 

Monitor yearly changes in species composition and abundance of grasshopper assemblages.

Methods: 

Location of Sampling Stations: One site each on Florence and Tully soil on each of the six LTER watersheds (1981)

Frequency of Sampling: 180 sweeps at each site in June, August, and September (18 sets of 10 sweeps)

Variable Measured: Location, soil type, species

Methods: Sweeps were taken with canvas beating nets 38 cm in diameters; 18 sets of 10 sweeps each were taken at each site. A sweep was taken at each step by traversing an arc of 180 degrees with the net through the top layer of vegetation. After 10 such sweeps, the contents of the net were emptied into plastic bags. These samples were frozen until grasshoppers were removed and identified.

For additional metadata information see: http://lter.konza.ksu.edu/sites/default/files/DC.pdf

For additional methods information see: http://lter.konza.ksu.edu/sites/default/files/MM.pdf

Data sources: 

Maintenance: 

complete

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