Search Results - "Woodmansee, R.G"

Landform effects on ecosystem patterns and processes by Swanson, F.J, Kratz, T.K, Caine, N, Woodmansee, R.G

“…The static and dynamic influences of landform on the ecosystem are discussed. References…”
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Biogeochemistry of C, N, and P in a soil catena of the shortgrass steppe by Schimel, D., Stillwell, M. A., Woodmansee, R. G.

“…Measurements of carbon, nitrogen, and phosphorus content were carried out in the soils of a hillslope of shortgrass steppe. Plant biomass, soil morphology, and…”
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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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EFFECTS OF FIRE REGIMES ON BIOGEOCHEMICAL CYCLES by Woodmansee, R.G., Wallach, L.S.

“…Several effects of fire on the biogeochemical cycles of ecosystems are considered (1) the effects on the abiotic controlling factors (temperature, H-ion…”
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Clusters of limber pine trees : a hypothesis of plant animal coaction by Woodmansee, R.G

“…The frequency of occurrence of clusters of limber pine trees was studied. Results indicated the majority of seedlings originated in clusters. A hypothesis that…”
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Nitrogen and phosphorus dynamics and budgets in annual grasslands by Woodmansee, R. G., Duncan, D. A.

“…N and P dynamics were studied in a grassland ecosystem dominated by exotic annual plants in central California. Biomass and N and P concentrations were…”
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Forecasting forage yield from precipitation in California'sannual rangeland by Duncan, D.A, Woodmansee, R.G

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Chemical transformations of urea-nitrogen and movement of nitrogen in a shortgrass prairie soil [Nitrification, volatilization] by Stillwell, M.A, Woodmansee, R.G

“…This study, conducted on the Central Plains Experimental Range during the summer of 1979, was to (i) quantify the temporal dynamics of the transformations of…”
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Nitrous oxide emissions from a native shortgrass prairie [Soils] by Mosier, A. R., Stillwell, M., Parton, W. J., Woodmansee, R. G.

“…Nitrous oxide (N2O) emissions from a native shortgrass prairie averade 2.3‐g N ha−1 day−1 during a summer sampling period. Although N2O emissions from the…”
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Biogeochemical cycling in annual grassland ecosystems by Jones, M. B., Woodmansee, R. G.

“…We have discussed the cycling of N, P, and S. These elements are essential nutrients for the maintenance of annual grassland ecosystems because they are…”
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Factors influencing patterns of cattle grazing behavior on shortgrass steepe by Senft, R, Rittenhouse, L.R, Woodmansee, R.G

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Nitrogen budget of a shortgrass prairie ecosystem by Woodmansee, R.G, Dodd, J.L, Bowman, R.A, Clark, F.E, Dickinson, C.E

“…A N budget is presented for a shortgrass prairie ecosystem. The grassland was ungrazed by domestic herbivores. The quantities of N in various plant, animal,…”
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Second derivative spectroscopy for the determination of volatilized ammonia from urea-amended soil by Bigelow, D.S, Ferguson, W.S, Woodmansee, R.G

“…A second derivative spectrometer custom fitted with a 1 m stainless steel White cell and maintained at 105°C is used to make real-time measurements of…”
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Grassland nitrogen by Woodmansee, R.G. (Colorado State Univ., Fort Collins (USA). Dept. of Range Science), Vallis, I, Mott, J.J

“…Discussion of the distribution of nitrogen in grasslands illustrates the dominance of the below-ground portions of the system. The various non-living…”
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Phoenix, a model of the dynamics of carbon and nitrogen in grassland soils by McGill, W.B. (Alberta Univ., Edmonton (Canada). Dept. of Soil Science), Hunt, H.W, Woodmansee, R.G, Reuss, J.O

“…A simulation model - "Phoenix" - has been developed to examine carbon (C) and nitrogen (N) cycling both between plants and soils and within soil, between…”
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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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Forecasting forage yield from precipitation in California's annual rangeland by Duncan, D.A, Woodmansee, R.G

“…Total forage yield from 1936 to 1970 and yields of grasses, legumes, and forbs other than legumes for 24 years on the same area of annual rangeland on the San…”
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Natural reproduction of winterfat (Eurotia lanata) in New Mexico by Woodmansee, R.G, Potter, L.D

“…In situ ecological factors influencing the natural reproduction of the important Western browse species winterfat (Eurotia lanata) were investigated in central…”
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Vegetative reproduction of fourwing saltbush in New Mexico by Woodmansee, R.G, Potter, L.D

“…Root sprouting was found to be an important method of reproduction in some stands of fourwing saltbush in New Mexico…”
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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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