Abstract
We report the results of a two-year demographic study in which natural populations of Chamaedorea elegans were subject to harvesting twice a year, four times a year, and no harvesting. Projection matrix analyses indicated that population growth rate (λ) was above unity (although not significantly so) in all cases. The lowest λ values (1.03 and 1.04, for 1997-98 and 1998-99, respectively) were obtained in the high intensity defoliation plot. As harvesting intensity increased, fecundity decreased as a result of low fruit production. Leaf production was highest in the plot where defoliation was carried out twice a year (intermediate intensity).
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