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. 2011 Oct 28;6(10):e27065. doi: 10.1371/journal.pone.0027065

Figure 5. NH4 + fluxes and uptake.

Figure 5

(A) Mean (+ 1 SD; n = 3) NH4 + fluxes in light (no fill) and dark (black fill) chambers in Austrovenus addition (+AS) and removal (–AS) plots, as a function of site and season. Positive values represent an efflux out of the sediment, and negative values represent an influx into the sediment. (B) Mean (+ 1 SD; n = 3) NH4 + uptake (dark minus light chamber NH4 + flux) in +AS (grey fill) and –AS (no fill) plots, as a function of site and season.