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Figure 1

From: Responses of bacterial community structure and denitrifying bacteria in biofilm to submerged macrophytes and nitrate

Figure 1

SEM imaging of the biofilms (A5-E5, 5 mg L−1 NO3_N; A30-E30, 30 mg L−1 NO3_N) and microbial densities (F) on five substrates (A), artificial plants; (B) E. nuttallii; (C) P. malaianus; (D) V. natans; (E) C. demersum). (1) Algae; (2) cocci aggregates; (3) bacillus aggregates; and (4) organic matter or extracellular polymers. *Indicates significant differences at p < 0.05.

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