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13-17 May 2013
Tucson, Arizona
US/Arizona timezone
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Growth rings in tropical trees from the Bolivian Cerrado phytogeographical province: Applications to forest management

Presented by Dr. Lopez Callejas LIDIO, Dr. Villalba RICARDO on 15 May 2013 from 18:00 to 21:00
Type: Poster Presentation
Board #: 56


This study describes the most prominent anatomical features associated with the presence of annual growth bands in eight species from the tropical Bolivian Cerrado forest: Amburana cearensis, Cedrela fissilis, Platimiscium ulei, Centrolobium microchaete, Hymenaea courbaril, Anadenanthera colubrina and Ficus boliviana. In six from the eight species, marginal parenchyma is the most common pattern delimiting annual growth bands. Growth lenses and false rings were recorded in some species. Based on these observations, the determination of the growth rings along two opposite radii in each cross-section allowed achieving a reliable representation of the radial growth of selected species. Dendrochronological methods were effective to estimate the age of the trees and their growth rates, expanding the use of tree-ring methods to tropical dry forests in South America. The information resulting from the application of dendrochronological methods in the dry forests of the Cerrado is crucial for the definition of precise management practices in tropical regions.


Location: DoubleTree
Room: Salon E

Primary authors