BLM OR Livestock Grazing Allotments 2014 Polygon

Abstract: GRA_POLY: Livestock grazing allotment and pasture boundaries with associated attributes describing some basic characteristics of the allotments and pastures. Each allotment has one or more pastures. This data is designed in accordance with the OR BLM "Grazing Allotments and Pastures Data Standard."

Purpose: Land use planning, allotment management plans, and analysis.

Supplemental information: BLM -Bureau of Land Management Animal Unit - Considered to be one mature cow of approximately 1,000 pounds, either dry, or with a calf up to 6 months of age or equivalent based on a standardized amount of forage consumed. AUM (Animal Unit Month) - The amount of dry forage required by one animal unit for one month based on a forage allowance of 26 pounds per day. RAS (Rangeland Administration System) - The system used by BLM for billing for grazing on public land. The system contains allotments, pastures, permittees, grazing fees and other pertinent information related to public land grazing. Fenced Federal Range - Generally a small amount of public land fenced with a large amount of private land. Seed Ripe - In terms of plant phenology, it is that point from where seed becomes hard to the beginning of seed dispersal. Custodial - An area where the grazing system is not defined and resource values on public land are protected.