2.2. Experimental design
The study was carried out within the LTSRP plots established at
INPA by the Instituto Boliviano de Investigacio´n Forestal. At INPA,
there are 8 plots with an average size of 21.25-ha, grouped in two
blocks. Each block was established in a different logging
compartment logged in a different year, using a randomized block
design, for a total of 160 ha of study plots. All plots were first
delineated on the ground using an inventory map to select areas
with similar densities of harvestable trees. Plots were then
randomly assigned to one of four treatments, except that the
control treatment plots were located so as to maximize the area of
adjacent unharvested forest.