NDLI: Effects of pine-hardwood management practices on forest regeneration and woody species diversity at the Savannah River Site, South Carolina, USA

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Effects of pine-hardwood management practices on forest regeneration and woody species diversity at the Savannah River Site, South Carolina, USA

Content Provider	Semantic Scholar
Author	Crider, Kimberly K.
Copyright Year	2003
Abstract	In 1989, mixed hardwood-pine forest sites at the Savannah River Site in South Carolina were chosen by USDA Forest Service employees for use in a study of the effects of a combination of forest management practices on woody species composition and diversity. The sites were surveyed for species composition, harvested commercially, burned using several severities, and planted with pine seedlings during 1990. In 1991 and 1993 the sites were surveyed again by Forest Service employees for post-disturbance species composition. I recovered and compiled the earlier preand post-disturbance data, and resurveyed the sites in 2002 to compare the immediate effects and the possible persistence of effects of the management treatments on woody species composition and diversity over an 11 year period. The treatment combinations represented a range of disturbances: two harvesting treatments (dormant and growing season commercial clearcuts), three site preparation bum treatments (high severity bum, low severity bum, or no bum), and two pine regeneration treatments (planting of Pinus taeda L. seedlings and natural regeneration). Twelve sample plots, representing all possible treatment combinations, were established in each of three replications for a total of 36 plots. Woody stems were counted and identified in samples in each of the 36 plots at ages one, three, and 11 years. I compared density and diversity values (Shannon-Wiener diversity, richness, and equitability) among treatment combinations using analysis of variance (ANOV A). The most significant effects on species density and diversity were evident one growing season after the harvest. Season of harvest had the most significant effect on both species densities and diversity, while bum severity had a significant effect on
File Format	PDF HTM / HTML
Alternate Webpage(s)	https://trace.tennessee.edu/cgi/viewcontent.cgi?article=6615&context=utk_gradthes
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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