SRM Glossary

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Term Description Source
Native Species

A species which is part of the original fauna or flora of the area in question. Syn. Indigenous. cf. introduced and resident species

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.
Natural Pasture

Syn. RangeOne U.S. technical agency defines this term as formerly forested land that has been allowed to revert to native forage species and is managed primarily for production of native plants for grazing.

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.
Natural Potential

Occasionally used as a synonym for climax with reference to range vegetation.

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.
Naturalized Species

A species not native to an area but which adapted to that area and has established a stable or expanding population. Does not require artificial inputs for survival and reproduction. Examples: cheatgrass, Kentucky bluegrass, starling, etc.

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.
Net Primary Production

The net increase in plant biomass within a specified area and time interval, i.e. primary production minus that used in metabolic processes.

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.
Niche (rangelands)

The ecological role of a species in a community.

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.
Nomadic

Pertaining to the habit of wandering from place to place, usually within a well-defined territory. Syn. Migrant

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.
Non-Selective Grazing

Utilization of forage by grazing animals so that all forage species and/or all plants within a species are grazed. cf. mob grazing. Non-selective grazing is generally attempted by using high stocking rates or high stocking densities during short time periods. In practice, non-selective grazing is achieved rarely.

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.
Nonuse

(1) Absence of grazing use on current year's forage production. (2) Lack of exercise, temporarily, of a grazing privilege on grazing lands. (3) An authorization to refrain, temporarily, from placing livestock on public ranges without loss of preference for future consideration.

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.
Noxious Species

A plant species that is undesirable because it conflicts, restricts, or otherwise causes problems under management objectives. Not to be confused with species declared noxious by laws concerned with plants that are weedy in cultivated crops and on range.

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.
Nurse Crop

A temporary crop seeded at or near the time primary plant species are seeded to provide protection and otherwise help to insure establishment of the latter. cf. companion crop, preparatory crop

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.
Nutrient (rangelands)

Any food constituent or ingredient that is required for or aids in the support of life.

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.
Nutrition (rangelands)

Ingestion, digestion or assimilation of food by plants or animals.

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.
Nutritive Value

Relative capacity of a given forage or other feedstuff to furnish nutrition for animals. In range management, the term is usually prefixed by high, low or moderate.

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.