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 years 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