Figure 2 | Scientific Reports

Figure 2

From: Colloidal nitrogen is an important and highly-mobile form of nitrogen discharging into the Great Barrier Reef lagoon

Figure 2

Mean percent N in dissolved (<3 kDa), colloidal N < 0.45 µm and particulate phases within water-dispersible clay (WDC) extracts for (top) sugarcane, (middle) reference gully (wall and channel floor) and (bottom) grazed gully samples (walls and channel floor). For each site type, the left bar (current) represents N fractionation assuming all N < 0.45 µm is dissolved and the right bar (revised) incorporates measurements of colloidal <0.45 µm and dissolved (<3 kDa) determined in this study.

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