What is an Old-Growth Forest?
An old-growth forest is any forest that meets the following criteria:
- Trees of all ages. (A multi-aged forest.)
- Large standing dead trees. (These are called snags.)
- Large downed logs on the forest floor.
- Large fallen logs in streams.
- Many layers of canopy. (The uppermost branchy layer of the forest.)
- Trees aged over 200 years.
- Never been logged.
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Revised: 8 October 1996
Copyright © 1996 Humboldt Redwoods Interpretive Association