附註:Includes bibliographical references (pages 158-168) and index.
State of Rangeland Ecosystems. Purposes of National Assessments. Methods to Assess Rangeland Health. National Inventorying and Monitoring System. Transition to Rangeland Health. Challenge to Range Scientists and Managers -- 1. Rangelands Are Important. Rangeland Management and Uses. Concern About the State of U.S. Rangelands. Urgent Need for National Assessments -- 2. Rangeland Health. Goals for National Assessments. Standards for Rangeland Assessments. Role of Rangeland Health in Rangeland Management -- 3. Current Methods of Rangeland Assessment. Development of Current Theory and Practice of Rangeland Assessments. Current Agency Rangeland Assessment Theory and Practice. New Methods Needed to Assess Rangeland Health -- 4. Criteria and Indicators of Rangeland Health. Soil Stability and Watershed Function. Distribution of Nutrients and Energy. Recovery Mechanisms. Measurement and Evaluation of Indicators of Rangeland Health -- 5. Inventorying and Monitoring Rangeland Health.
