Shifts of Bacterioplankton Metabolic Profiles along the Salinity Gradient in a Subtropical Estuary

<table>Dendrogram deduced from the substrate utilization patterns of EcoPlates and utilized substrate richness index (USRI). The dendrogram was constructed by UPGMA (unweighted pair group method with arithmetic average) method. The scale is shown as Euclidean distance. Symbols: polymers; royal blue, carbohydrates; orange red, carboxylic acids; green, amino acids; yellow, amines; navy, phenolic compounds; saddle brown. USRI; utilized substrate richness index. Low utilized substrates are shaded in the figure.</table>

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Figure 8

Figure 8: Shifts of Bacterioplankton Metabolic Profiles along the Salinity Gradient in a Subtropical Estuary 