Research Article

A Survey of Ant Species in Three Habitats at Mount St. Helens National Volcanic Monument

Figure 4

Shannon-Wiener Biodiversity Indices (mean biodiversity index ±1 SE) for ant communities in three habitat types at Mount St. Helens National Volcanic Monument sampled between 22 and 25 July 2008. Different letters above the bars indicate significant differences ( ) between habitat types.
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