Figures & data
Table 1. Basic description of sampling sites in the Ebinur Lake wetland.
Table 2. Morphological characteristics of cultured Azotobacter and the result of Gram stain and enzyme activities.
Figure 1. Phylogenetic tree of cultured Azotobacter based on 16S rDNA.
Figure 2. DGGE profiling of uncultured Azotobacter.
Figure 3. Clustering analysis of the nifH gene.
Table 3. Shannon-Wiener index (H), richness (S), and evenness (E) of AOB communities in spring, summer, and autumn soil samples.
Figure 4. Phylogenetic tree of uncultured Azotobacter based on the nifH gene.
Table 4. Physical and chemical properties of soil sampled in different seasons and from different sites of Ebinur Lake wetland.
Table 5. Correlation analysis between Shannon-Wiener diversity index of Azotobacter and environmental factors.