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General Technical Report
Title: Clearcutting and natural regeneration: management implications for the northern Sierra Nevada
Author: McDonald, Philip M.
Source: USDA Forest Service General Technical Report PSW-070, 11 p.
Station ID: GTR-PSW-070
Description: 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.
Key Words: Cutting methods, slash disposal, natural regeneration, ponderosa pine
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McDonald, Philip M. 1983. Clearcutting and natural regeneration: management implications for the northern Sierra Nevada General Technical Report PSW-070.Berkeley, CA: U.S. Department of Agriculture, Pacific Southwest Forest and Range Experiment Station. 11 p.