UNDERSTORY

the layer formed by the crowns of smaller trees in a forest.

TIMBER CRUISE

a survey of a forest or forest stand to evaluate timber volumes and species composition, to mark trees for harvesting, or to identify other values …

TIMBER

a forest stand containing trees of commercial size and quality suitable for sawing into lumber.

THIN

to selectively remove some of the trees in a forest area, allowing more water, sunlight, and nutrients for the trees that remain.

SWAMP

a wetland dominated by trees.

STAND

a contiguous group of trees sufficiently uniform in species composition, arrangement of age classes, and condition to be considered a distinguishable unit.

SOFTWOOD

a coniferous tree. The term softwood is commonly used but not strictly accurate; the wood of many conifers is harder than that of some nominally …

SELECTION HARVEST

removal of individual or small clusters of trees to manage a forest stand for a mixture of age classes and products. Also known as selection …

SAVANNA

a grassland with scattered trees or clumps of trees. Savannas are common to tropical and subtropical regions.