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    Author(s): Philip M. McDonald
    Date: 1983
    Source: General Technical Report PSW-070.Berkeley, CA: U.S. Department of Agriculture, Pacific Southwest Forest and Range Experiment Station. 11 p.
    Publication Series: General Technical Report (GTR)
    Station: Pacific Southwest Research Station
    PDF: View PDF  (3.1 MB)


    In the young-mature mixed-conifer and hardwood forests of north-central California, a dense and persistent hardwood understory competes with the conifers for space, nutrients, and water. Clear-cutting with intensive site preparation often is the most appropriate silvicultural regeneration method. This report, the result of 20 years of research on the Challenge Experimental Forest in Yuba County, California, evaluates one approach to clearcutting. Topics discussed are broadcast burning, windrow and burning, seedfall, rodents, woody shrubs, seedling stocking, and early growth of conifers. Variation in seedbed and seedfall, uncertainty of amount of rodent damage, and competition from woody shrubs can result in inconsistent and unpredictable amounts of natural reproduction. Windrow and burning of slash and planting of conifer seedlings are recommended alternatives to broadcast burning and natural seeding.

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    McDonald, Philip M. 1983. Clearcutting and natural regeneration: management implications for the northern Sierra Nevada. Gen. Tech. Rep. PSW-GTR-70. Berkeley, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station. 11 p.


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    Cutting methods, slash disposal, natural regeneration, ponderosa pine

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