RITF Report 07: Guide to New Mexico range analysis

1. Grazing allotment management plans (White section); 2. Range mapping and inventory (Blue section); Reason for mapping; Some principles of mapping; Preparation of maps; Approaches to range mapping and inventory; Ocular reconnaissance or interagency survey method; Forest Service approach to range mapping; SCS approach to range mapping; BLM approach to range mapping; 3. Range condition and trend (Green section); Introduction; Range condition analyses; SCS methods; USFS methods; BLM methods; Range trend analyses; SCS methods; USFS methods; BLM methods; References; 4. Range forage production, utilization and grazing capacity estimates (Goldenrod section); Introduction; Animal requirements; Measuring forage production; Grazing capacity estimates from forage production data; Definition of forage utilization and value; Methods used to determine utilization; Utilization maps; Calculating a grazing capacity estimate from utilization data; Examples of forest service calculations of grazing capacity from P-U studiesReport containing guidance on the range analysis methods used by federal agencies when analyzing New Mexico rangelands