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Principal component analysis (A) and factor loadings (B) for (from right to left) transcript (mRNA) abundances, gene abundances, gene and transcript abundance combined, and gene and transcript abundances combined with atmospheric data.

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posted on 26.11.2013, 03:17 by Sergio E. Morales, William E. Holben

Samples are labeled sequentially by treatment (green=background site; red=treatment site active CO2 injection; orange=treatment site post-CO2 injection; and yellow=treatment site pre-CO2 injection), and by month (N=June, Y=July-Sept). Shaded areas represent pre-injection period (N1 - 4, ▲), June injection period (N5 - 12 and Y1 3- 16, ●) and July injection period (Y17 - 26, ■). The percentage of the variation in the samples described by the plotted principle components is indicated on the axis. Gene names in Panel B are as for Figure 1.

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