Figure 1. Hydrogeological map of the Maocun watershed marked with the sampling sites. From: Contribution of aerobic anoxygenic phototrophic bacteria to total organic carbon pool in aquatic system of subtropical karst catchments, Southwest China: evidence from hydrochemical and microbiological study FEMS Microbiol Ecol. 2017;93(6). doi:10.1093/femsec/fix065 FEMS Microbiol Ecol | © FEMS 2017. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com
Figure 6. CCA biplot of the genera in Proteobacteria and the hydrochemical characteristics of the Maocun watershed. T, water temperature; 1, Variovorax; 2, Proteobacteria (Other); 3, Rhodobacteraceae (Other); 4, Comamonadaceae (Other); 5, Defluviimonas; 6, Methylophilaceae (Other); 7, Polynucleobacter; 8, Novosphingobium; and 9, Gammaproteobacteria (Other). MC, TC, WD, DY, BD, SW, SG, BY, LL and XL are the sampling sites. From: Contribution of aerobic anoxygenic phototrophic bacteria to total organic carbon pool in aquatic system of subtropical karst catchments, Southwest China: evidence from hydrochemical and microbiological study FEMS Microbiol Ecol. 2017;93(6). doi:10.1093/femsec/fix065 FEMS Microbiol Ecol | © FEMS 2017. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com
Figure 5. Heat map illustrating the relative frequency of the 21 most abundant OTUs based on the V3 region of 16S rRNA sequences at the Maocun watershed. MC, TC, WD, DY, BD, SW, SG, BY, LL and XL are the sampling sites. From: Contribution of aerobic anoxygenic phototrophic bacteria to total organic carbon pool in aquatic system of subtropical karst catchments, Southwest China: evidence from hydrochemical and microbiological study FEMS Microbiol Ecol. 2017;93(6). doi:10.1093/femsec/fix065 FEMS Microbiol Ecol | © FEMS 2017. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com
Figure 4. (A) Phyla level of taxonomy and distribution based on the V3 region of 16S rRNA tag of bacterioplankton communities and (B) the relative frequency of α-, β- and γ- and unknown Proteobacteria at the Maocun watershed. MC, TC, WD, DY, BD, SW, SG, BY, LL and XL are the sampling sites. From: Contribution of aerobic anoxygenic phototrophic bacteria to total organic carbon pool in aquatic system of subtropical karst catchments, Southwest China: evidence from hydrochemical and microbiological study FEMS Microbiol Ecol. 2017;93(6). doi:10.1093/femsec/fix065 FEMS Microbiol Ecol | © FEMS 2017. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com
Figure 3. PCA biplot of sampling site and environmental variables at the Maocun watershed. MC, TC, WD, DY, BD, SW, SG, BY, LL and XL are the sampling sites. From: Contribution of aerobic anoxygenic phototrophic bacteria to total organic carbon pool in aquatic system of subtropical karst catchments, Southwest China: evidence from hydrochemical and microbiological study FEMS Microbiol Ecol. 2017;93(6). doi:10.1093/femsec/fix065 FEMS Microbiol Ecol | © FEMS 2017. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com
Figure 2. Distinctive source combination of C/N ratios and δ<sup>13</sup>C values from water samples at the Maocun watershed. MC, TC, WD, DY, BD, SW, SG, BY, LL and XL are the sampling sites. From: Contribution of aerobic anoxygenic phototrophic bacteria to total organic carbon pool in aquatic system of subtropical karst catchments, Southwest China: evidence from hydrochemical and microbiological study FEMS Microbiol Ecol. 2017;93(6). doi:10.1093/femsec/fix065 FEMS Microbiol Ecol | © FEMS 2017. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com