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THE EFFECT OF TEMPERATURE ON THE GROWTH OF ATLANTIC WHITE CEDAR IN TWO MID-ATLANTIC NATIONAL WILDLIFE REFUGES
Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.orgCitation: Hydrology and Management of Forested Wetlands Proceedings of the International Conference 8-12 April 2006Publication Date 8 April 2006 701P0406.(doi:10.13031/2013.20301)
Authors: A. M. Seim, S. D. Merry, N. Pederson and R. B. Atkinson
Keywords: Tree-rings, Atlantic white cedar, temperature, dendrochronology
Atlantic white cedar, Chamaecyparis thyoides (L.) B.S.P., swamps have decreased in area by up to 98% and the ecosystem is listed as globally threatened. The decline is thought to have resulted from drainage, which was followed by conversion to agriculture or replacement by hardwood species such as red maple, Acer rubrum L. Tree growth is frequently affected by variations in climate and these variations are recorded in the sequence of wide and narrow rings in many species of trees, including C. thyoides. The purpose of this study was to determine the effect of temperature on the growth of C. thyoides within the Great Dismal Swamp National Wildlife Refuge and Alligator River National Wildlife Refuge. Correlations were performed between standardized tree-ring widths and growing period temperature data. The results indicate that Mid-Atlantic stands of cedar are not as temperature-limited as cedar in the northern portion of the range.