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Title: Vegetation in group selection openings: ecology and manipulation
Author: McDonald, Philip M.; Fiddler, Gary O.;
Source: In: Proceedings, 12th Annual Conference on Forest Vegetation Management. Forest Vegetation Management Conference: 97-106
Publication Series: Paper (invited, offered, keynote)
Description: Group selection openings ranging from 0.1 to 2.0 acres in mixed conifer stands in northern and central California were evaluated for effect of site preparation, opening size, kind and amount of vegetation, and release treatment. Small openings, in general, are characterized by less sunlight and lower temperature extremes than clearcuttings. Roots from border trees extend into openings and apparently capture a large amount of site resources. Site preparation is needed for establishment of natural conifer regeneration, but seldom for establishment of planted seedlings. Survival of conifer seedlings tends to be high in small openings, but growth is much reduced, especially near opening edges. Vegetation other than conifers almost always is present but in most instances has low vigor. Release probably will be necessary in that part of openings which receives enough light for vigorous development of sun-loving shrubs and where roots from border trees are not present.
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McDonald, P.M.; Fiddler, G.O. 1991. Vegetation in group selection openings: ecology and manipulation. In: Proceedings, 12th Annual Conference on Forest Vegetation Management. Forest Vegetation Management Conference: 97-106.
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