Gap sizes were estimated using the Brokaw (1982) method. The study area of the understory sites was determined following the same directions and size as the associated gap site.
The amount of incoming sunlight was measured in each tree-fall gap and understory controls, using an incident light meter. The light was measured at seven locations (five along the length and two along the width) within each site, between 11 am to 2 pm during day without cloud cover.
We recorded the number, height, and diameter of woody plants and vines in each site, using ten plots of 1 m2, placed randomly in gaps and their control sites. The plants were classified into vines and woody plants.
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06/15/10
