Glossary of terms used on this site

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Term Definition
Pollutes

To make foul or unclean, especially with harmful chemicals or waste.

Pre-commercial thinning

A type of logging done in smaller, younger trees to focus growth on the future most-valuable trees. Also called "Timber stand improvement" or "TSI."

Procurement Forester

A forester who works for a sawmill. Procurement foresters help the mill purchase timber and oversee logging jobs.

Pruning

The removal of side branches (both living and dead) from a tree. Pruning is generally done in plantations (and especially in softwoods) to improve the quality of wood when it is eventually sold and harvested.