SRM Glossary

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Term Description Source
Tag (rangelands)

(1) A label attached, usually to the animal, for identification. (2) A discolored and dirty part of a fleece.

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.
Tagging

(1) Clipping manured and dirty locks from sheep. (2) The process of attaching Identifying tags to animals. cf. brand and marking

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.
Tagging Chute

A narrow enclosure (of board, pole or steel construction) to hold animals during tagging.

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.
Tank

A reservoir of any construction for water storage.

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.
Taproot System

A plant root system dominated by a single large root, normally growing straight downward, from which most of the smaller roots spread out laterally. cf. fibrous root system

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.
Temporary License or Permit

A document authorizing grazing of a certain number of livestock on public lands during an emergency or for a certain period, terminable at the end of such period and with no guarantee of renewal in whole or in part. cf. grazing license or permit

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.
Term License or Permit

A document which authorizes grazing on public lands for a stated number of years as contrasted with an annual or temporary license or permit. cf. grazing license or permit

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.
Terracing

Mechanical movement of soil along the horizontal contour of a slope to produce an earthen dike to retain water and diminish the potential of soil erosion.

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.
Tiller

The asexual development of a new plant from a meristematic region of the parent plant.

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.
Timberland

Land on which the natural potential vegetation is forest. It may be managed primarily for the production and harvest of timber.

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.
Total Annual Yield

The total annual production of all plant species of a plant 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.
Toxic Plant Species

A species of plant which may accumulate or produce a substance toxic to animals. cf. poisonous plant

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.
Toxicant

The chemical ingredient(s) which may injure or cause death in either plant or animal life exposed to it.

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.
Trace elements

Minerals needed in very small amounts. In plants, these would include micronutrients such as the elements iron, boron, and zinc.

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.
Trail

A well-defined path created by repeated passage of 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.
Trail Herding

Directing and controlling the movement of a group of livestock on restricted overland routes.

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.
Trailing

(1) Controlled directional movement of livestock. cf. drive, (2) Natural trailing is the habit of livestock or wildlife repeatedly treading in the same line or path.

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.
Trampling

Treading underfoot; the damage to plants or soil brought about by movements or congestion of 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.
Translocated Herbicide

A herbicide which is moved within the plant from the point of entry. Syn. phenoxy herbicide

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.
Trap

A relatively small enclosure used as a temporary holding or catching area in the handling and management of livestock.

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.
Tree

A woody perennial, usually single stemmed plant that has a definite crown shape and reaches a mature height of at least 16 feet (5 meters). There is no clearcut distinction between trees and shrubs. Some plants, such as oaks (Quercus spp.) may grow as either trees or shrubs.

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.
Trend

The direction of change in an attribute as observed over time.

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.
Trend (Range Trend)

Trend in range condition or successional status should be described as up, down or not apparent. Up represents a change toward climax or potential natural community; down represents a change away from climax or potential natural community; and not apparent indicates there is no recognizable change. This category is often recorded as static or stable. There is no necessary correlation between trends in resource value ratings, vegetation management status, and trend in range condition or successional status.

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.
Trespass

Syn. grazing trespass

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.
Trick Tank

A modification of a guzzler in which the collection basin is elevated and the storage tank is located directly below.

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.
Trophic Levels

The sequence of steps in a food chain or food pyramid, from producer to primary, secondary or tertiary consumer.

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.
Tundra

Land areas in arctic and alpine regions devoid of large trees, varying from bare ground to various types of vegetation consisting of grasses, sedges, forbs, dwarf shrubs and trees, mosses, and lichens.

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.
Turf

Syn. Sod

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.
Turnout

Act of turning livestock out on the range at the beginning of the grazing season.

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.
Type (rangelands)

Syn. vegetational type

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.
Type Line

The boundary line which separates two distinctive vegetation types on a map or photograph.

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.
Type Mapping

The process of delineating vegetation types on an aerial photograph or on a base map.

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.