Items starting with T

Travel management atlas

An atlas that consists of a forest transportation atlas and a motor vehicle use map or maps.

treatment area

The site-specific location of a resource improvement activity.tree opening- An opening in the forest created by even-aged silvicultural practices.


See Indian tribe.

TSI (Timber Stand Improvement)

Actions to improve growing conditions for trees in a stand, such as thinning, pruning, prescribed fire, or release cutting.

type conversion

The conversion of the dominant vegetation in an area from forested to non-forested or from one species to another.

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