Table 2.

Potential rates of DNRA and nrfA gene abundance in the five sediment communities of the New River Estuary.

Sampling site	DNRA rates nmoles N g−1 h−1	nrfA gene copies g−1
AA2	13.8 ± 1.8	7.72 × 108 ± 4.76 × 107
JAX	20.7 ± 0.02	2.58 × 109 ± 6.27 × 107
M47	22.6 ± 1.0	1.56 × 109 ± 2.68 × 108
M31	25.1 ± 3.4	2.18 × 109 ± 3.16 × 108
M15	2.2 ± 0.8	2.31 × 108 ± 2.50 × 107