Year:
1986
Publications Type:
Book
Publication Number:
49
Citation:
Old-Growth Definition Task Group. 1986. Interim definitions for old-growth Douglas-fir and mixed-conifer forests in the Pacific Northwest and California. Res. Note PNW-447. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 7 p.
Abstract:
Interim definitions of old-growth forests are provided to guide efforts in land-management planning until comprehensive definitions based on research that iscurrently underway can be formulated. The basic criteria for identifying old-growthDouglas-fir (Pseudotsuga menziesii (Mirb.) Franco) and mixed-conifer forests inwestern Washington and Oregon and California are given.
Keywords: Old growth, old-growth stands, mixed stands, Coniferae, Pacific North-west, California.