Perspectives in Grassland Ecology: Results and Applications of the US/IBP Grassland Biome Study
Springer Science & Business Media, Dec 6, 2012 - Science - 204 pages
This volume is a result of the summary and synthesis of data collected in the Grassland Biome Program, which is part of the American contribution to the International Biological Program (IBP). The purpose of this volume is to present a summary of quantitative ecological investigations of North American grass lands and to present a set of broad comparisons of their characteristics and functions as well as the results of some models and experiments that lead to practical considerations of the management of grasslands. Synthesis is a continuing activity in science. Early in the Grassland Biome Program there was a synthesis of literature data on grasslands, edited by R. L. Dix and R. G. Beidleman (1969). Results of the first year of field data collection under this program were synthesized in a volume edited by N. R. French (1971). Development of the large-scale model constructed to depict the processes and the dynamics of state variables in grassland ecosystems was presented by Innis (1978). Soon to appear will be two volumes integrating studies of American grasslands with IBP studies in other grasslands of the world (Coupland, in press) and the application of systems analysis to understanding grassland function and utilization (Breymeyer and Van Dyne, in press). The present volume presents current results and comparisons of field investigations and experimental studies that were conducted under this program.
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LAYCOCK W A USDASEA Forage and Range Management Crops Research
North American Grasslands in Perspective
Simulated Biomass Dynamics
Grassland Biomass Trophic Pyramids
Losses of N from Grassland Ecosystems
Simulated Impact of Management Practices upon the Tallgrass Prairie
DataBased Empirical Dynamic Matrix Modeling of Rangeland
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abiotic aboveground net primary aboveground production analysis animal arthropods average Bazilevich belowground biomass Biophage blue grama Bouteloua gracilis Bunchgrass cattle weight gain Chapter climatic Colorado State Univ comparison consumption cool-season annual grass cow-calf decrease desert grassland drought dynamics Ecol Ecology effect estimates factors fertilizer Figure forage forbs forest Grassland Biome studies grassland ecosystems grassland sites grazing intensity growing season growth heavy grazing increased input invertebrates irrigation leaf litter loss of NH3 mammals microarthropods mixed-grass mTē yr nematodes nitrogen North American grasslands northern shortgrass nutrient Osage pasture Pawnee photosynthesis plant Predators primary consumer primary production Range Manag rates respiration roots sampling saprophagic Secondary consumers shortgrass prairie Soil Sci soil water potential standing crop steer grazing Table tallgrass prairie temperature tion treatment trophic groups trophic levels trophic pyramids US/IBP Grassland Biome values variables vegetation volatilization warm-season water potential