Figure 2 | Scientific Reports

Figure 2

From: Diffuse and concentrated nitrogen sewage pollution in island environments with differing treatment systems

Figure 2

Box and whiskers plots of macroalgae δ15N from Jersey (A) and St Mary’s (B). All numbered sites represent Fucus results. All Ulva results for the islands have been grouped as one dataset and are presented on the farthest right of each graph. δ15N values above the dashed red line represent coastal environments that are affected by sewage/effluent. Macroalgae δ15N elevation is recorded for St Aubin’s Bay (Sites 30–43) linked to the Bellozanne STW outflow.

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