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. 2012 Oct;78(19):6819–6828. doi: 10.1128/AEM.01223-12

Fig 3.

Fig 3

Canonical correspondence analysis (CCA) of microbial groups reveals that Betaproteobacteria and Gammaproteobacteria positively correlate with DOC concentration in field samples derived from the Taif River (a) and South Platte River (b).