Fig. 2From: Sampling methods for titica vine (Heteropsis spp.) inventory in a tropical forestAverage sampling error (E%) of titica vine between replications, by sampling procedure, intensity, and type of plots for the 15 treatments selected as the best. Vertical bars represent the standard deviation among the replications. Note: 15 and 20 correspond to intensities of 15 and 20 %, respectively. Different letters indicate significant differencesBack to article page