Restoring longleaf pine Pinus palustris Mill in loblolly pine Pinus taeda L stands Effects of restoration treatments on natural loblolly pine regeneration

Coimbra, Joao Carlos; Pinto, Iraja Damiani; Wurdig, Norma Luiza; Do Carmo, Dermeval Aparecido

Forest Ecology and Management 262(7): 0-1167

2011


ISSN/ISBN: 0378-1127
DOI: 10.1016/j.foreco.2011.05.044
Accession: 036147806

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Abstract
Historical land use and management practices in the southeastern United States have resulted in the dominance of loblolly pine (Pinus taeda L.) on many upland sites that historically were occupied by longleaf pine (Pinus palustris Mill.). There is currently much interest in restoring high quality longleaf pine habitats to such areas, but managers may also desire the retention of some existing canopy trees to meet current conservation objectives. However, fast-growing natural loblolly pine regeneration may threaten the success of artificially regenerated longleaf pine seedlings. We evaluated the establishment and growth of natural loblolly pine regeneration following different levels of timber. Highlights: Land managers are interested in converting loblolly pine stands to longleaf pine. Abundance of natural loblolly pine regeneration varies by year and site. Canopy removal increases loblolly seedling growth and may affect fire management. Heterogeneity of prescribed fire results in survival of some loblolly pine seedlings. Ability to control loblolly pine regeneration affects longleaf pine restoration.