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Pacific Southwest Research Station
800 Buchanan Street
Albany, CA 94710-0011
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Title: Shelterwood cutting in a young-growth, mixed-conifer stand in north central California
Author: McDonald, Philip M.
Source: Res. Pap. PSW-117. Berkeley, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station. 18 p
Station ID: RP-PSW-117
Description: A two-stage shelterwood cutting, at 12 trees per acre, with site preparation, enhanced seedfall, regeneration, and residual growth at the Challenge Experimental Forest, north central California. Shelterwood trees produced 9.2 times more seed than trees in the control. Ponderosa pine regeneration numbered about 3700 seedlings per acre (9139 per ha) and tolerant conifers 600 seedlings (1482 per ha) after 5 years. Hardwood seedlings and sprouts also were abundant. Basal area growth rates for all species in nearly all diameter classes were greater in the shelterwood than in the control. The shelterwood cutting method is recommended for use in young-growth, mixed-conifer stands.
Key Words: shelterwood systems, natural regeneration, slash disposal, site preparation, Challenge Experimental Forest, young-growth forestry, mixed conifer stands
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McDonald, Philip M. 1976. Shelterwood cutting in a young-growth, mixed-conifer stand in north central California Res. Pap. PSW-117. Berkeley, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station. 18 p.
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