Figure 3From: Influence of plant diversity and elevated atmospheric carbon dioxide levels on belowground bacterial diversityCanonical correspondence analysis of plots exposed to different carbon dioxide levels (a); plots exposed to different plant diversity levels (b). A: ambient carbon dioxide; E: elevated carbon dioxide; H: high plant diversity; M: medium plant diversity; L: low plant diversity; numbers 1, 2, 3, and 4: four replicates.Back to article page