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Relative abundance of ammonia-oxidizing archaea (A) and bacteria (B) in Lake Okeechobee and St. Lucie Estuary before (August) and after (September) hurricane disturbance. AOA represent three major lineages: Nitrosopumilales (NP), Nitrososphaerales (NS), and Nitrosotaelales (NT). Lineages are divided into clades (Greek letters) and numbers (genera).
