Journal
ANNALS OF FOREST SCIENCE
Volume 64, Issue 6, Pages 657-664Publisher
SPRINGER FRANCE
DOI: 10.1051/forest:2007044
Keywords
amazon; floodplain forest; tree ring; cutting cycle; minimum logging diameter (MLD)
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Ficus insipida Willd. (Moraceae) is a fast growing tree species of early successional stages in the Amazonian nutrient-rich white-water floodplains (varzea). The species is one of the most economically important low-density wood species in the community-based forest management project in the Mamiraua Sustainable Development Reserve (MSDR) in Central Amazonia, where timber species are managed using a polycyclic selection system with a minimum logging diameter (MLD) of 50 cm and a cutting cycle of 25 years. In this study we analyze the floristic composition, stand structure and forest regeneration of a natural 20 year-old stand at an early successional stage and we model tree growth of diameter, height and volume of F. inspida based on tree-ring analysis to define management criteria. The volume growth model indicates that the preferred period for logging should be at a tree age of 17 years when the current annual volume increment peaks. This age corresponds to a diameter of 55 cm, which would be an appropriate MLD.
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