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. Language: English