Glossary of Terms

Browse

Twigs, leaves, and young shoots of trees and shrubs that animals eat. Browse is often used to refer to the shrubs eaten by big game, such as elk and deer.

Buffer

A land area that is designated to block or absorb unwanted impacts to the area beyond the buffer. Buffer strips along a trail could block views that may be undesirable. Buffers may be set aside next to wildlife habitat to reduce abrupt change to the habitat.

Bureau of Land Management (BLM)

Federal land management agency established by Federal Lands Policy Management Act. The BLM manages more land – 258 million surface acres – than any other Federal agency. Most of this public land is located in 12 Western States, including Alaska. The Bureau, with a budget of about $1.8 billion, also administers 700 million acres of sub-surface mineral estate throughout the nation. The BLM’s multiple-use mission is to sustain the health and productivity of the public lands for the use and enjoyment of present and future generations. The Bureau accomplishes this by managing such activities as outdoor recreation, livestock grazing, mineral development, and energy production, and by conserving natural, historical, and cultural resources on the public lands.

CA

Conservation Agreement

Cable Logging

Logging that involves the transport of logs from stump to collection points by means of suspended steel cables. Cable logging reduces the need for the construction of logging roads.

Canopy

The part of any stand of trees represented by the tree crowns. It usually refers to the uppermost layer of foliage, but it can be use to describe lower layers in a multi-storied forest.

Categorical Exclusion (CX or CE)

A category of actions (identified in agency guidance) that do not individually or cumulatively have a significant effect on the human environment, and for which neither an environmental assessment nor an EIS is required (40 CFR 1508.4).

Cavity

A hole in a tree often used by wildlife species, usually birds, for nesting, roosting, and reproduction.

CEQ

Council on Environmental Quality

CFR

Code of Federal Regulations

Chemical Control

The use of pesticides and herbicides to control pests and undesirable plant species. Clear Cut: A harvest in which all or almost all of the trees are removed in one cutting.

Citizen Wilderness Proposal (CWP)

Areas that have been inventoried and proposed for Wilderness designation by citizens.

Clear Cut

A harvest in which all or almost all of the trees are removed in one cutting.

Clearcutting

Cutting essentially all trees in a given area, which produces a fully exposed microclimate for the development of a new age class. Regeneration can be from natural seeding, direct seeding, planted seedlings, or advance reproduction. See even-aged management.

Climax

The culminating stage in plant succession for a given site. Climax vegetation is stable, self-maintaining, and self-reproducing.

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