Search Results - "Senft, R. L."

Large herbivore foraging and ecological hierarchies by Senft, R.L, Coughenour, M.B, Bailey, D.W, Rittenhouse, L.R, Sala, O.E, Swift, D.M

“…The authors have found that many of the problems of applying traditional optimal foraging theory to large herbivores, including ruminant and nonruminant…”
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role of cattle in the volatile loss of nitrogen from a shortgrass steppe by Schimel, D.S, Parton, W.J, Adamsen, F.J, Woodmansee, R.G, Senft, R.L, Stillwell, M.A

“…The cycling and volatile loss of N derived from cattle urine at upland and lowland sites within the shortgrass steppe of eastern Colorado was studied, using…”
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A model of thermal acclimation in cattle by Senft, R.L, Rittenhouse, L.R

“…A model of temperature effects on cattle daily feed intake has been developed that takes into account (1) time course of thermal acclimation and (2) behavioral…”
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Factors Influencing Patterns of Cattle Grazing Behavior on Shortgrass Steppe by Senft, R. L., Rittenhouse, L. R., Woodmansee, R. G.

“…Factors influencing distribution of free-roaming cattle were studied on shortgrass steppe in northeastern Colorado. Spatial units selected for grazing were…”
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Factors influencing the selection of resting sites by cattle on shortgrass steppe by Senft, R. L., Rittenhouse, L. R., Woodmansee, R. G.

“…Spatial patterns of cattle resting behavior were investigated on shortgrass steppe. Resting was divided into daytime and nighttime categories. Sites selected…”
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The use of regression models to predict spatial patterns of cattle behavior by Senft, R.L, Rittenhouse, L.R, Woodmansee, R.G

“…Predictive models of cattle behavior were developed by applying multiple regression analysis to a body of behavior observations. Seven independent variables…”
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Nitrogen and energy budgets of free-roaming cattle by Senft, R.L, Stillwell, M.A, Rittenhouse, L.R

“…Energy and nitrogen (N) budgets of free-roaming yearling heifers were quantified. Energy and N retention were estimated from liveweight gains. Intake and…”
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A Test of Grazing Compensation and Optimization of Crested Wheatgrass Using a Simulation Model by Olson, Bret E., Richard L. Senft, Richards, James H.

“…We developed a simulation model based on tiller population processes to test grazing compensation and optimization in crested wheatgrass (Agropyron desertorum…”
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