Fig. 4: Required nitrogen load reductions and restoration scenarios for large European river basins. | Nature Water

Fig. 4: Required nitrogen load reductions and restoration scenarios for large European river basins.

From: The important role of wetland conservation and restoration in nitrogen removal across European river basins

Fig. 4

a, N load reductions required to meet the N load reduction targets for 28 European river basins characterized by the highest N load. Inset: map of Europe highlighting the 28 river basins in light red. The asterisks indicate the river basins for which information on the need for N load reduction was obtained either from the specific river basin management plan or from the four international sea conventions (Extended Data Table 2). b–d, Corresponding accomplishment of the required load reduction for the three restoration scenarios: Full Restoration (b), CAP 4% (c) and Farmland Abandonment (d). The y-axis labels in a also apply to b–d. The vertical dashed lines in b–d indicate full accomplishment of the required load reduction presented in a.

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