Perspectives in Grassland Ecology: Results and Applications of the US/IBP Grassland Biome Study

Types of Grassland.- Final Year of Grassland Biome Studies.- 1. Grassland Primary Production: North American Grasslands in Perspective.- Grassland.- Method of Analysis.- Results.- North American Grasslands in Perspective.- Summary.- References.- 2. Processes Controlling Blue Grama Production on the Shortgrass Prairie.- Processes Controlling Primary Production.- Simulated Biomass Dynamics.- Summary.- References.- 3. Analysis of the Response of a Grassland Ecosystem to Stress.- and Area Description.- Experiment on Ecosystem Stress.- Results.- Conclusions.- Summary.- References.- 4. Grassland Biomass Trophic Pyramids.- Methods.- Results.- Discussion.- Summary.- References.- 5. Patterns of Consumption in Grasslands.- Methods.- Results.- Summary.- References.- 6. An Ecosystem-Level Trophic-Group Arthropod and Nematode Bioenergetics Model.- The Model.- Summary.- References.- 7. Factors Influencing Input and Output of Nitrogen in Grasslands.- Additions of N to Grassland Ecosystems.- Losses of N from Grassland Ecosystems.- Environmental Factors Controlling Loss of NH3 by Volatilization.- Calculations of Additions and Losses of N from Western Grasslands.- Conclusions.- Summary.- References.- 8. Simulated Impact of Management Practices upon the Tallgrass Prairie.- Simulation of Management Practice.- Summary.- References.- 9. Data-Based, Empirical, Dynamic Matrix Modeling of Rangeland Grazing Systems.- Modeling Systems.- Model Development.- Model Testing.- Model Experimentation and Analyses.- Summary.- References.- 10. Principal Subsystem Interactions in Grasslands.- Producer-Environment Relationships.- Producer Interrelationships.- Consumer-Producer Relationships.- Consumer Relationships.- Trophic Relationships.- Microbial Decomposition.- Conclusions.- Summary.- References.