Notes: Effects of Rhododendron (Rhododendron maximum L.) on Regeneration of Southern Appalachian Hardwoods
Authors: Phillips, Donald L.; Murdy, Williams H.
Source: Forest Science, Volume 31, Number 1, 1 March 1985 , pp. 226-233(8)
Publisher: Society of American Foresters
Abstract:The long-term record of forest composition at the Coweeta Hydrologic Laboratory, North Carolina, was used to assess the change in tree regeneration patterns over a 34-38 year period, and to evaluate the impact of rhododendron on that change. Density-diameter distributions of dominant tree species were determined from 1934-35 and 1969-72 inventories of high density rhododendron (HR) and low density rhododendron (LR) plots. Oak and maple regeneration, which was abundant in 1934-35 due to past disturbance, decreased by 1969-72 as the canopy closed. Total tree regeneration was lower in HR plots than in LR plots and the magnitude of the difference increased with time. In 1969-72, regeneration of chestnut oak and white oak was depressed in HR plots, whereas that of red maple was not; scarlet oak and black oak regeneration was poor at all sites regardless of rhododendron. Hemlock was unique among canopy species in that its sapling density increased with time and abundance of rhododendron. Forest Sci. 31:226-233.
Document Type: Miscellaneous
Affiliations: Professor, Department of Biology, Emory University, Atlanta, GA 30322
Publication date: 1 March 1985
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