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. Author manuscript; available in PMC: 2010 May 29.
Published in final edited form as: Science. 2009 May 29;324(5931):1190–1192. doi: 10.1126/science.1171700

Fig. 2.

Fig. 2

Median diversity of sites as measured by the Shannon Diversity Index. Error bars represent median absolute deviation. See fig. S1 for key to site codes displayed on the x axis.