A similar trend was observed for nirK-DGGE (Fig. 5) whereas, for amoA-bearing nitrifier communities, the UPGMA and nMDS analyses revealed a main separation between soils under permanent flooding (PF-1 and PF-2) and soils from AF-1 and NEVER (Fig. 5).
A similar trendwas observed for nirK-DGGE (Fig. 5) whereas, for amoA-bearingnitrifier communities, the UPGMA and nMDS analyses revealed amain separation between soils under permanent flooding (PF-1and PF-2) and soils from AF-1 and NEVER (Fig. 5).