Rangeland Ecology & Management

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Paddock size and stocking density affect spatial heterogeneity of grazing
Author
Barnes, M. K., B. E. Norton, M. Maeno, J. C. Malechek
Publication Year
1969
Body

The idea that spatial distribution of grazing utilization would be unaffected by a gradient in paddock size and stocking density under intensive rotational grazing management (IRG) was examined at the Utah Agriculture Experiment Station (37� 30� N; 113� W) in southwestern Utah. IRG treatments were applied representing stocking ratio densities (stocking density/stocking rate) of 16, 32, and 64 in paddocks ranging from 4 ha, 2 ha and 1 ha sized paddocks. Additionally, for grazing distribution comparison, two paddocks were managed under deferred rotation grazing (DRG). The stocking rate was held constant across all treatments (both IRG and DRG) each. Data collection included vegetation transects within each treatment to measure aboveground herbaceous plant biomass and shrub foliage along with systematic sampling of forage utilization using quadrats for determining distribution of grazing.

Language
en
Keywords
deferred rotational grazing
grazing management systems
intensive rotational grazing
livestock distribution
Paddock
short duration grazing
spatial heterogeneity
time control grazing
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