Water table – The highest point in a soil profile at which water saturates the soil on a seasonal or permanent basis.
Weeding – The practice of removing undesirable tree species that take up valuable growing space in a stand.
Whole-tree (full-tree) skidding – The process by which an entire tree, including the stem, limbs, and top, is brought to the landing in one piece.
Whorl (of branches) – A set of branches arising from one year’s growth that occur at the same height on a tree stem and are distributed around the stem at relatively even spacing.
Windthrow – A tree uprooted or broken by wind.
Wolf tree – A tree with a large crown, but poor form and low wood product value that occupies more space in the forest than its timber value justifies.
Wood pulp – Mechanically ground or chemically digested wood used in the manufacture of paper.
Woodland management – See forest management