Title: Stump sprout dominance probabilities of five oak species in southern Indiana 20 years after clearcut harvesting
Author: Weigel, Dale R.; Dey, Daniel C.; Peng, Chao-Ying Joanne.
Source: In: Fei, Songlin; Lhotka, John M.; Stringer, Jeffrey W.; Gottschalk, Kurt W.; Miller, Gary W., eds. Proceedings, 17th central hardwood forest conference; 2010 April 5-7; Lexington, KY; Gen. Tech. Rep. NRS-P-78. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station: 10-22.
Description: Oak (Quercus spp.) stump sprouts are vital to sustaining oak's presence and long-term dominance when regenerating oak or mixed-hardwood forests in southern Indiana. A study was initiated on the Hoosier National Forest in southern Indiana in 1987 to predict the sprouting potential and dominance probability of oaks. Before clearcut harvesting, we sampled 2,188 trees of five oak species and measured tree age and diameter at breast height along with site index to develop sprouting and dominance probability models for subsequent follow-ups at years 1, 5, 10, 15, and 20. For the current study a dominant oak was one that had one or more competitively successful sprouts per stump 20 years after clearcutting. Two species were in the white oak groupwhite oak (Q. alba L.) and chestnut oak (Q. prinus L.)and three in the red oak groupblack oak (Q. velutina Lam.), scarlet oak (Q. coccinea Muenchh.), and northern red oak (Q. rubra L.). We used logistic regression to develop preharvest predictive models for sprouting potential and dominance probabilities as well as postharvest models for dominance probabilities of the five species. Th e 20-year results will be compared to results obtained 1, 5, 10, and 15 years after harvest (Weigel and Peng 2002, Weigel and others 2006). Managers can use our models to anticipate regeneration failures before harvesting or sprout success after harvest.
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Weigel, Dale R.; Dey, Daniel C.; Peng, Chao-Ying Joanne. 2011. Stump sprout dominance probabilities of five oak species in southern Indiana 20 years after clearcut harvesting. In: Fei, Songlin; Lhotka, John M.; Stringer, Jeffrey W.; Gottschalk, Kurt W.; Miller, Gary W., eds. Proceedings, 17th central hardwood forest conference; 2010 April 5-7; Lexington, KY; Gen. Tech. Rep. NRS-P-78. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station: 10-22.
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