Rangeland Ecology & Management
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Animal Substitution Ratio
A numerical ratio of numbers, units or stocking levels of one animal species to another or in partitioning grazing capacity between two animal species. Such a ratio is site-specific since it is based on a unique set of environmental, forage, animal-herbage, and animal-area variables and requires knowledge of relative animal population levels.
Source
Society for Range Management. 1998. Glossary of terms used in range management, fourth edition. Edited by the Glossary Update Task Group, Thomas E. Bedell, Chairman. Used with permission.