O | Lexicon of Forestry

Ocean: [13th century. Via French and Latin < Greek ōkeanos, the river surrounding the disk of the Earth] a large expanse of salt water, especially any of the Earth’s five main such areas, the Atlantic, Pacific, Indian, Arctic, and Antarctic oceans. The oceans occupy huge regions of the Earth’s surface, and their boundaries are usually established by continental land masses and ridges in the ocean floor.

Old growth: A forest that has never been changed by management or harvesting. This term is misapplied by many to describe any forest that appears to be old. Individual trees in this type of forest are usually over 200 years old, and there are large standing and fallen dead trees throughout the stand.

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Organic: [15th century. Directly or via French < Latin organicus < Greek organikos “of an organ, instrumental” < organon “tool, instrument”] belonging to a family of compounds that have chains or rings of carbon atoms linked to atoms of hydrogen and sometimes oxygen, nitrogen, and other elements

Overgrazing.  Grazing so heavy that it impairs future forage production and causes range deterioration through damage to plants, soil, or both.

Overmaturity: That period in the life cycle of trees and stands when growth or value is declining. (See maturity).

Overrun: The excess lumber sawn from logs over the estimated volume or log scale, usually expressed in percent of log scale.

Overtopped tree: Trees with crowns entirely below the general level of the overstory cover, receiving no direct light either from above or from the sides. (Syn. Suppressed). (See: crown class).

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Naeem Javid Muhammad Hassani