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Figure 4. Confidence interval coverage of tree (solid circles) and shrub /sapling (open <br />circles) density estimates calculated with re- sampled data at different sampling <br />intensities. <br />1.0 <br />0.9 <br />0 0.8 <br />0.7 <br />U 0.6 <br />U 0.5 <br />c <br />a 0.4 <br />0 0.3 <br />0 <br />d- 0.2 <br />0.1 <br />0.0 <br />0 10 20 30 40 <br />Number of PCQ Pants <br />Figure 5. Relative precision of tree (solid circles) and shrub /sapling (open circles) <br />density estimates calculated with re- sampled data at different sampling intensities. <br />2.0 <br />1.7 <br />0 <br />1.5 <br />M 1.k <br />a� <br />0 1.0 <br />0 <br />0.7 <br />0.5 <br />O.c <br />0.0 <br />v v N .3u 4u <br />Number of PCQ Pants <br />