Australia’s forests and forestry glossary
Understorey
Layer or layers of vegetation beneath the main canopy or overstorey of a forest.
See Canopy, Overstorey.
Uneven-aged forest
Forest with trees of more than one age or age class present on the same site.
See Even-aged forest.
Unplanned fire
Fire started naturally (such as by lightning), accidentally, or deliberately (such as by arson), but not in accordance with planned fire management prescriptions. Also called bushfire or wildfire.
See Planned fire.
Unresolved tenure
Land where data are insufficient to determine land ownership status.
One of six land tenure classes used to classify land in the National Forest Inventory.
Urban forest
Broadly, a forest or an area of trees growing in an urban area, such as a city, town or suburb.
Urban forestry
The management of forests, areas of trees and individual trees in urban communities for the benefits provided to society.