The condition of a tree or crop which has passed (a) the exploitable age or size, or (b) the age after which it may be expected to become progressively unsound. ( BCFT modif).

Tree or stand that has passed the age of maturity where the rate of growth has diminished and the trees are weakened.

in even-aged management, those trees or stands past the mature stage.

Stands or forest types past rotation age. Openings in canopy as a result of mortality becoming apparent.

a quality exhibited by trees that have declined in growth rate because of old age and loss of vigor.

stands Trees of an age at which they decline in vigor and soundness. ( FEMAT, IX-25)

A commercial term used to identify the point at which timber has begun to lessen in commercial value because of size, age, decay, or other factors. Many trees in a virgin or old growth stand are overmature and are dying of old age. This is quite natural and provides essential habitat for many species. Drives the lumbermen crazy.