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Oak Regeneration After Clear Felling in Southwest Virginia

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Abstract:

Oak advance regeneration and stump sprouts were studied during a 2- to 3-year period after clear felling and whole-tree removal in ten midslope stands in the Ridge and Valley Physiographic Province of southwest Virginia. Site quality ranged from poor (oak site index 8-16 m, base age 50) to medium (site index 17-22 m). Chestnut oak was the dominant oak species in most pre-harvest stands. Two years after clear felling, chestnut oak also had a higher density of advance regeneration, a higher frequency of stump sprouting, and greater sprout growth per stump than scarlet or black oak. However, shoot growth of advance regeneration following clear felling did not differ among oak species after correcting for initial stem size and vigor. Both height increase and diameter growth of oak advance regeneration during the 2-year post-harvest period were significantly greater on medium sites than on poor sites, and stump sprouts were taller on medium sites. Regression equations for predicting 2-year stump sprout growth from characteristics of the parent tree usually explained less than 40 percent of the variation among stumps, while equations for predicting 2-year growth of advance regeneration from pre-harvest measurements accounted for as much as 82 percent of total variation. Density of well-established oak advance regeneration 3 years after clear felling was greatest in stands of site index 17-20 m, and decreased on both better and poorer sites. The success of advance oak regeneration following clear felling was most highly correlated with pre-harvest advance regeneration density when small stems (i.e., <30 cm tall) as well as larger stems were included in the pre-harvest inventory. Forest Sci. 32: 157-169.

Keywords: Quercus coccinea; Quercus prinus; Quercus velutina; Ridge and Valley Physiographic Province; Stump sprouts; advance regeneration; whole-tree removal

Document Type: Journal Article

Affiliations: Professor, Department of Forestry, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061

Publication date: 1986-03-01

More about this publication?
  • Forest Science is a peer-reviewed journal publishing fundamental and applied research that explores all aspects of natural and social sciences as they apply to the function and management of the forested ecosystems of the world. Topics include silviculture, forest management, biometrics, economics, entomology & pathology, fire & fuels management, forest ecology, genetics & tree improvement, geospatial technologies, harvesting & utilization, landscape ecology, operations research, forest policy, physiology, recreation, social sciences, soils & hydrology, and wildlife management.
    Forest Science is published bimonthly in February, April, June, August, October, and December.

    2015 Impact Factor: 1.702
    Ranking: 16 of 66 in forestry

    Average time from submission to first decision: 62.5 days*
    June 1, 2016 to Feb. 28, 2017

    Also published by SAF:
    Journal of Forestry
    Other SAF Publications
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