Glossary of Terms

ASQ (allowable sale quantity)

The amount of timber that may be sold within a certain time period from an area of suitable land. The suitability of the land and the time period are specified in the Forest Plan.

Assessment

The act of evaluating and interpreting data and information for a defined purpose.

AUM (animal unit month)

The quantity of forage required by one mature cow and her calf (or the equivalent, in sheep or horses, for instance) for one month.

Bark Beetle

An insect that bores through the bark of forest trees to eat the inner bark and lay its eggs. Bark beetles are important killers of forest trees.

Basal Area

The area of the cross section of a tree trunk near its base, usually 4 and 1/2 feet above the ground. Basal area is a way to measure how much of a site is occupied by trees. The term basal area is often used to describe the collective basal area of trees per acre.

Best Management Practices (BMP)

A suite of techniques that guide, or may be applied to, management actions to aid in achieving desired outcomes. Best management practices are often developed in conjunction with land use plans, but they are not considered a land use plan decision unless the land use plan specifies that they are mandatory. They may be updated or modified without a plan amendment if they are not mandatory.

Big Game

Large mammals, such as deer, elk, and antelope that are hunted for sport.

Biological Control

The use of natural means to control unwanted pests. Examples include introduced or naturally occurring predators such as wasps, or hormones that inhibit the reproduction of pests. Biological controls can sometimes be alternatives to mechanical or chemical means.

Biological Diversity

The number and abundance of species found within a common environment. This includes the variety of genes, species, ecosystems, and the ecological processes that connect everything in a common environment.

Biomass

The total weight of all living organisms in a biological community.

Biome

The complex of living communities maintained by the climate of a region and characterized by a distinctive type of vegetation. Example of biomes in North America include the tundra, desert, prairie, and the western coniferous forests.

Biota

The plant and animal life of a particular region.

Biotic

Living. Green plants and soil microorganisms are biotic components of ecosystems. BMP (Best Management Practices)- Practices designed to prevent or reduce water pollution.

Board Foot

A measurement term for lumber or timber. It is the amount of wood contained in an unfinished board 1 inch thick, 12 inches long, and 12 inches wide.

Broadcast Burn

A prescribed fire that burns a designated area. These controlled fires can reduce wildfire hazards, improve forage for wildlife and livestock, or encourage successful regeneration of trees.

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