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How Ants Drop Out: Ant Abundance on Tropical Mountains

Figure 2

Ant abundance and richness variables as a function of elevation among 41 Central American wet forest sites.

A. Log(Abundance) = average of 100 log[n+1] values where n = number of workers in 1 m2. B. Percent of samples containing ants. C. Species Richness = number of species in 100 samples (taxon subset; see text). D. Abundance per species = Abundance as defined in panel A/Richness as defined in panel C. LOESS curves are included for A and C, using default parameters in R 3.0.2.

Figure 2

doi: https://doi.org/10.1371/journal.pone.0104030.g002