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Fig. 1. Microbial community composition assessed by relative abundance of signature PLFAs, with each community summarized to a single point by using a correspondence analysis (CA). Open symbols represent agricultural plots, filled symbols are early succession, and line symbols are later successional prairie plots. Plot ages are growing seasons since the beginning of reconstruction. The angles and lengths of the lines representing environmental variables indicate the direction and strength of the relationship between the environmental variables and ordination scores.
